Scale-out Hardware with
POWER8 Technology:
Announcement Deep Dive
30 April 2014
Mark Olson
olsonm@us.ibm.com
© 2014 IBM Corporation
Agenda
PART 1 – General Deep Dive
PART 2 – More Technical Deep Dive
=== Content flow – somewhat repeated in Part 1 and Part 2 ===
 POWER8 chips
 Power Road map
 Scale-out Servers
Specs/Layout
Performance
Models/structure
Memory
PCIe slots
Storage Backplanes
More
 New HMC
 OS support
 28 April I/O
 8 April Announcements
© 2014 International Business Machines Corporation
3
Announce / Availability Plans
Annc
eConfig
GA
Power S814
28 Apr
28 Apr
10 Jun
Power S822
28 Apr
28 Apr
10 Jun
Power S824
28 Apr
28 Apr
10 Jun
Power S822L
28 Apr
28 Apr
10 Jun
Power S812L
28 Apr
27 May
29 Aug
Add’l storage backplane option
28 Apr
17 July
Sept
SFF-3 146/139GB 15k & 300/283GB 10k HDD
28 Apr
27 May
25 July
IBM i 5250 Enterprise Enablement features
28 Apr
27 May
10 Jun
UPS ordered with Scale-out Servers
28 Apr
13 May
10 Jun
Prevent higher wattage adapters in tower configs
28 Apr
10 June
10 Jun
SPT availability for 4/28 announce content –
planning 10 June and working to move into May
IBM Confidential until announced
Linux-only 4U
2H14
2H14
2H14
4-core Power S814
2H14
2H14
2H14
NEBS compliance 2U
4Q
4Q
4Q
© 2014 International Business Machines Corporation
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POWER8
Processor
© 2014 International Business Machines Corporation
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Power Processor Technology Roadmap
POWER9
POWER8
POWER5/5+
130/90 nm
2004
POWER6/6+
65/65 nm
2007
© 2014 International Business Machines Corporation
POWER7/7+
45/32 nm
2010
2014
6
POWER8 Highlights
Announced 2013 at Hot Chips Conference
12 Cores per Socket/Chip
Significantly Strengthened Cores
8 threads per core (SMT8)
Wider fetch / dispatch/issue of instructions (8 fetch / dispatch, 10 issue)
Doubled highly utilized execution units
Larger Caches per core/region
L1: 64K data “D” Cache, 32K instruction “I” Cache per core
L2: 512K private per core
L3: 8M per core (up to 96MB per chip)
L4: external to the chip
2 Integrated Memory Controllers w/ Improved Latency & BW
~ 25% memory latency improvement via on-chip fastpath interconnect
16MB mem cache / buffer chip
Integrated SMP Interconnect w/ improved “Flatness”
2-Hop fabric topology
Integrated IO Subsystem
On Chip PCIe Controller
Fine Grained Power Management
On Chip Power Management Controller & Power gating
© 2014 International Business Machines Corporation
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Scale-out Systems - DCMs and POWER8 Chips
1S & 2S servers use DCM (Dual Chip Module)
 1 DCM fills 1 socket
 1 DCM has two Scale-out POWER8 chips
 1 DCM can provide 6-core, 8-core, 10-core or 12-core sockets
6-core Processor Chip
two 3-cores for 6-core DCM
two 4-cores for 8-core DCM
two 5-cores for 10-core DCM
two 6-cores for 12-core DCM
Core
Core
Core
L2
L2
L2
L3 Cache & Chip Intercon MemCtrl
L2
L2
L2
Core
Core
Core
Max 8 Threads per Core
Excellent I/O bandwidth per socket
© 2014 International Business Machines Corporation
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POWER8 Memory Buffer Chip
DRAM
Chips
“L4 cache”
Memory
Buffer
DDR Interfaces
16MB
Intelligence Moved into Memory
Scheduler &
POWER8
Memory
Management Cache Link
• Previously on POWER7+ chip onto buffer
Processor Interface
• High speed interface
Performance Value
© 2014 International Business Machines Corporation
9
POWER8 Memory Organization
DRAM
Chips
Memory
Buffer
128
GB
16MB
(Max Config shown)
16MB
128
GB
POWER8 DCM
128
GB
16MB
16MB
128
GB
128
GB
16MB
16MB
128
GB
128
GB
16MB
16MB
128
GB
 Architecturally: Up to 1 TB / Socket
 First POWER8 Systems: 512 GB /
Socket announced
© 2014 International Business Machines Corporation
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POWER8 Integrated PCI Gen 3
POWER8
POWER7
GX
Bus
PCIe Gen3
I/O
Bridge
PCIe Gen2
PCI
Device
PCI
Devices
© 2014 International Business Machines Corporation
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POWER8 Multi-threading Options
4
SMT1: Largest unit of execution work
SMT2: Smaller unit of work, but provides
greater amount of execution work per
cycle
SMT4: Smaller unit of work, but provides
greater amount of execution work per
cycle
SMT8: Smallest unit of work, but provides
the maximum amount of execution work
per cycle
Can dynamical shift between modes as
required: SMT1 / SMT2 / SMT4 / SMT8
Mixed SMT modes supported within
same LPAR
 Requires use of “Resource Groups”
3.5
3
2.5
2
1.5
1
0.5
0
P7
P8
P8
P8
P8
SMT1 SMT1 SMT2 SMT4 SMT8
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POWER8
Bandwidths
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IO Bandwidth
POWER7+
POWER7
POWER6
0
10
20
30
40
50
60
GB/Sec
© 2014 International Business Machines Corporation
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IO Bandwidth
POWER8
POWER7+
POWER7
POWER6
0
50
100
150
200
GB/Sec
© 2014 International Business Machines Corporation
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Memory Bandwidth per Socket
POWER8
POWER7
POWER6
POWER5
0
10
20
30
40
50
60
70
GB/Sec
© 2014 International Business Machines Corporation
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Memory Bandwidth per Socket
POWER8
POWER7
POWER6
POWER5
0
50
100
150
200
GB/Sec
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CAPI
Stmt of Direction
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POWER8 CAPI
(Coherent Accelerator Processor Interface)
POWER8
Statement of direction
as of April 2014
POWER8
Coherence Bus
PCIe Gen3
Transport for encapsulated messages
FPGA or ASIC
Customizable Hardware / Application Accelerator
• Specific system SW, middleware, or user application
• Written to durable interface
© 2014 International Business Machines Corporation
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Possible Example: CAPI Attached Flash Optimization
Application
Read/Write
Syscall
FileSystem
strategy()
iodone()
20K
Instructions
LVM
strategy()
iodone()
Disk & Adapter DD
Pin buffers,
Translate,
Map DMA,
Start I/O
Interrupt,
unmap,
unpin,Iodone
scheduling
© 2014 International Business Machines Corporation
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Possible Example: CAPI Attached Flash Optimization
Application
Attach flash memory to POWER8
via CAPI coherent Attach
Read/Write
Syscall
FileSystem
strategy()
iodone()
20K
Instructions
LVM
strategy()
iodone()
Disk & Adapter DD
Pin buffers,
Translate,
Map DMA,
Start I/O
Interrupt,
unmap,
unpin,Iodone
scheduling
Application
Posix Async
I/O Style API
aio_read()
aio_write()
User Library
< 500
Instructions
Shared
Memory
Work Queue
 Issues Read/Write Commands from applications to eliminate 97%
of instruction path length CAPI Flash controller Operates in User Space
 Saves 10 Cores per 1M IOPs
© 2014 International Business Machines Corporation
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POWER8
Server
Technology
Roll Out
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Power System Roadmap
2013
2014
Enhanced HMC
Management
POWER8
KVM
PowerVC
PowerVP
4U Systems: 1-socket & 2-socket
Power
Linux Engines
More servers
rolling out
Over the next year
and beyond
2U System: 2-socket
Enterprise
Pools
2U Linux: 1-socket & 2-socket
25
Power April Announcements
New Scale-out Servers with POWER8 technology
 2U servers: 2 socket
 4U servers: 1 socket and 2 socket
(Not called “PowerLinux”)
 2U servers: 1 socket & 2 sockets
Linux-only server models
New Virtualization Management
 IBM PowerKVM – Kernel Virtual Machine
 PowerKVM for Linux-only servers
New HMC Functionality
 Performance Monitoring
© 2014 International Business Machines Corporation
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Power April Announcements
New IBM i Releases
 IBM i 7.2 --- New Release (Annc 28 Apr)
 IBM i 7.1 --- New Technology Refresh, TR8 (Annc 8 Apr)
Existing AIX Release supported
 AIX 6.1 (TL7, TL8, TL9), AIX 7.1 (TL1, TL2, TL3)
POWER8 Hardware support





IBM BLU Acceleration Solution - Power Systems Edition
IBM PowerVP – Virtualization Performance
IBM PowerSC – Security and Compliance
IBM PowerVM
IBM PowerVC
© 2014 International Business Machines Corporation
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1&2 Socket Servers
New Scale-out Servers with POWER8 technology
 1 socket :
 2 socket:
4U
2U and 4U
S814
S822 and S824
Linux-only Power Systems
 1 socket:
 2 socket:
2U
2U
(Not called “PowerLinux”)
S812L
S822L
Marketing name = “socket” then “number EIA/U”
For example S8 2
4
But ……
© 2014 International Business Machines Corporation
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1&2 Socket Servers
New Scale-out Servers with POWER8 technology
 1 socket : 4U
S814
Order
number
=
“number
EIA/U” then “socket”
 2 socket:
2U and 4U
S822 and S824
Linux-only Power
Systems
(Not called
For
example 8286
- 4 2 “PowerLinux”)
A
 1 socket:
 2 socket:
2U
2U
S812L
S822L
1 Socket
1 Socket
2 Socket
Option 1S
S814
S812L
S824
S822
S822L
8286-41A
8247-21L
8286-42A
8284-22A
8247-22L
4U
2U
4U
2U
2U
© 2014 International Business Machines Corporation
2 Socket
Option 1S
2 Socket
29
2U Server
© 2014 International Business Machines Corporation
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POWER8 2S2U Layout
PCIe Gen3 x8
2X SAS
Ports
PCIe Gen3 x16
Memory
USB-3
PCIe Gen3 x16
POWER8
Memory
PCIe Gen3 x8
POWER8
Memory
2xHMC
Serial
USB-2
HMC
Up to
12 SFF Bays
USB-3
6 SSD Slots*
* with backplane
Slim DVD
© 2014 International Business Machines Corporation
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POWER8 2S2U Scale-out System
Power S822
 Single Socket populated
 Cores:
6 (3.8 GHz) or 10 (3.4 GHz)
 Memory:
Up to 512 GB
 PCIe Slots: 6 PCIe Gen3 LP (Hotplug)
 Both Sockets populated
 Cores:
12 (3.8 GHz) or 20 (3.4 GHz)
 Memory:
Up to 1 TB
 PCIe Slots: 9 PCIe Gen3 LP (Hotplug)
3 Yr Warranty
 Ethernet: Quad 1 Gbt / (in x8 slot)
 Integrated ports: USB (4), Serial (1), HMC (2)
 Internal Storage
 DVD
 12 SFF Bays -- Split Backplane: 6 + 6
 or 8 SFF Bays & 6 1.8” SSD Bays with Easy Tier with 7GB write cache
 Hypervisor: PowerVM
 OS: AIX, Linux
(not IBM i)
© 2014 International Business Machines Corporation
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POWER8 Linux 2S2U Scale-out System
Power S822L
 Dual Sockets
 Cores:
20 (3.4 GHz) or 24 (3.0 GHz)
 Memory:
Up to 1 TB
 Slots:
9 PCIe Gen3 LP (Hotplug)
 Ethernet: Quad 1 Gbt / (in x8 slot)
 Integrated ports: USB (4), Serial (1), HMC (2)
 Internal Storage
3 Yr Warranty
 DVD
 12 SFF Bays -- Split Backplane: 6 + 6
 or 8 SFF Bays & 6 1.8” SSD Bays with Easy Tier with 7GB write cache
 Hypervisor: PowerVM or PowerKVM
 OS: Linux
© 2014 International Business Machines Corporation
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POWER8 Linux 1S2U Scale-out System
Power S812L
1. Single Socket
 Cores:
10 (3.4 GHz) / 12 (3.0 GHz)
 Memory: Up to 512 GB
 Slots:
6 PCIe Gen3 LP (Hotplug)

Ethernet: Quad 1 Gbt / (in x8 slot)
 Integrated ports: USB (4), Serial (1), HMC (2)
 Internal Storage





3 Yr Warranty
DVD
12 SFF Bays -- Split Backplane: 6 + 6
or 8 SFF Bays with Easy Tier with 7GB write cache
Hypervisor: PowerVM or PowerKVM
OS: Linux
© 2014 International Business Machines Corporation
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POWER8 2S2U Scale-out Comparison - S822
Power 730
Power System S822
Processor
Sockets
Cores
Maximum Memory
Memory Cache
Memory Bandwidth
Memory DRAM Spare
POWER7+
2
8 / 12 / 16
512 GB @ 1066 MHz
No
136 GB/sec
No
POWER8
1 (Upgradeable) / 2
6 / 10 or 12 / 20
256 / 512 GB @ 1600 MHz
Yes
192 / 384 GB/sec
Yes
System unit PCIe slots
6 PCIe Gen2 LP
6 / 9 PCIe Gen3 LP
CAPI (Capable slots)
PCIe Hot Plug Support
PCIe Expansion Drawers
IO bandwidth
Ethernet ports
N/A
No
Optional PCIe Gen1
40 GB/sec
Quad 1 Gbt in x4 slot
Yes (one per socket)
Yes
SoD Gen3
192 GB/sec
Quad 1 Gbt in x8 slot
SAS bays in system unit
3 or 6 SFF-1
12 SFF-3
Or 8 SFF-3 + 6 SSD
Integrated write cache
Easy Tier Support
Integrated split backplane
Service Processor
Optional 175MB
No
No
Generation 1
Optional effectively 7GB
Yes
Yes ( 6 + 6 )
Generation 2
© 2014 International Business Machines Corporation
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POWER8 2S2U Scale-out Comparison - S822L
Power 730
Power System S822L
Processor
Sockets
Cores
Maximum Memory
Memory Cache
Memory Bandwidth
Memory DRAM Spare
POWER7+
2
16
512 GB @ 1066 MHz
No
136 GB/sec
No
POWER8
2
24
512 GB @ 1600 MHz
Yes
384 GB/sec
Yes
System unit PCIe slots
6 PCIe Gen2 LP
9 PCIe Gen3 LP
CAPI (Capable slots)
PCIe Hot Plug Support
PCIe Expansion Drawers
IO bandwidth
Ethernet ports
N/A
No
Optional PCIe Gen1
40 GB/sec
Quad 1 Gbt in x4 slot
Yes (one per socket)
Yes
SoD Gen3
192 GB/sec
Quad 1 Gbt in x8 slot
SAS bays in system unit
3 or 6 SFF-1
12 SFF-3
Or 8 SFF-3 + 6 SSD
Integrated write cache
Easy Tier Support
Integrated split backplane
Service Processor
Opt 175MB
No
No
Generation 1
Opt effectively 7GB
Yes
Yes ( 6 + 6 )
Generation 2
© 2014 International Business Machines Corporation
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POWER8 1S4U Layout
PCIe Gen3 x8
4x 1Gbt Enet
2x SAS Ports
PCIe Gen3 x16
2xUSB-3
Memory
POWER8
Up to
18 SFF Bays
Memory
2xHMC
1xSerial
2xUSB-2
2xUSB-3
Slim DVD
© 2014 International Business Machines Corporation
No SSD Cage
38
POWER8 2S4U Layout
PCIe Gen3 x8
4x 1Gbt Enet
2x SAS Ports
PCIe Gen3 x16
PCIe Gen3 x16
Memory
2xUSB-3
Memory
PCIe Gen3 x8
POWER8
2xHMC
1xSerial
2xUSB-2
Memory
POWER8
SSD Bays *
Up to
18 SFF Bays
2xUSB-3
Slim DVD
© 2014 International Business Machines Corporation
* with backplane
39
POWER8 1S4U Scale-out System
Power S814
 Form Factor: 4U or Tower
 Single Socket
 Cores:
6 (3.0 GHz) or 8 (3.7 GHz)
 Memory:
Up to 512 GB
 Slots:
7 PCIe Gen3 Full-high (Hotplug)
 Ethernet: Quad 1 Gbt in PCIe slot
 Integrated ports: USB (4/5), Serial (1), HMC (2)
 Internal Storage
 DVD
 12 SFF Bays -- Split Backplane: 6 + 6
 or 18 SFF Bays with Easy Tier with 7GB write cache
 Hypervisor: PowerVM
 OS: AIX, IBM i (P10 software tier), Linux
3 Yr Warranty
© 2014 International Business Machines Corporation
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POWER8 2S4U Scale-out System
Power S824
 Single Socket populated
 Cores:
6 (3.8 GHz) or 8 (4.1 GHz)
 Memory:
Up to 512 GB
 Slots:
7 PCIe Gen3 full-high (Hotplug)

Both Sockets populated
 Cores:
12 (3.8 GHz), 16 (4.1 GHz), or 24 (3.5 GHz)
 Memory:
Up to 1 TB
 Slots:
11 PCIe Gen3 full-high (Hotplug)
 Ethernet: Quad 1 Gbt in PCIe slot
3
 Integrated ports: USB (4/5), Serial (1), HMC (2)
 Internal Storage
 DVD
 12 SFF Bays -- Split Backplane: 6 + 6
 or 18 SFF bays & 8 SSD bays with Easy Tier with 7GB write cache
Yr Warranty
 Hypervisor: PowerVM
 OS: AIX, IBM i (P20 software tier), Linux
© 2014 International Business Machines Corporation
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IBM Confidential
4-Core Power S814 Planned
Nothing in April annc letters on this topic – This is not formally announced.
Information shared for your sales planning purposes. Subject to change. Do
not share information with client except under non-disclosure.
IBM is finalizing plans for a POWER8-based four-core server for AIX, IBM i and Linux.
 Especially interesting to IBM i clients because of its P05 software tier
 Would use 3 GHz cores (like the 6-core S814)
 Like the POWER7 4-core offering – no feature code I/O drawers like #5887 and no future
PCIe expansion drawer. (Fibre Channel attached drawers/SANs supported.)
 Like the POWER7 4-core -- Lower memory maximum than 6-core. POWER7 maximum is
64GB
 Lower max of SFF-3 drives in system unit -- POWER7 4-core maximum is eight
 Supporting 15k 139/146GB and 15k 283/300GB disk drives and supporting 387GB SSD.
Not supporting other drive sizes.
Currently evaluating Announce and GA of 3Q 2014
Announcing in April is the Power S814 6-core and 8-core systems, providing an IBM i
P10 software tier offering with even higher value than previous POWER7 systems
* IBM plans are subject to change or cancellation without notice.
© 2014 International Business Machines Corporation
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POWER8 4U Scale-out Comparison – S814
Power 720
Power System S814
Processor
Sockets
Cores
Maximum Memory
Memory Cache
Memory Bandwidth
POWER7+
1
4/6/8
512 @ 1066 MHz
No
136 GB/sec
POWER8
1
6/8
512 GB @ 1600 MHz
Yes
192 GB/sec
Memory DRAM Spare
No
Yes
CAPI (Capable slots)
PCIe Hot Plug Support
IO bandwidth
6 PCIe Gen2 FH
Opt 4 PCIe Gen2 LP
N/A
No
40 GB/sec
Ethernet ports
Quad 1 Gbt (x4 slot)
Quad 1 Gbt (x8 Slot)
SAS bays in system unit
6 or 8 SFF-1 bays
12 SFF-3 bays
Or 18 SFF-3 bays
Integrated write cache
Easy Tier Support
Integrated split backplane
Service Processor
Optional 175 MB
No
Yes ( 3 + 3 )
Generation 1
Optional effectively 7GB
Yes
Yes ( 6 + 6 )
Generation 2
System unit PCIe slots
© 2014 International Business Machines Corporation
7 PCIe Gen3 FH
One
Yes
96 GB/sec
43
POWER8 4U Scale-out Comparison – S824
Power 740
Power System S824
Processor
Sockets
Max Cores
Maximum Memory
Memory Cache
Memory Bandwidth
Memory DRAM Spare
POWER7+
1 (upgradeable) / 2
8 / 16
512GB / 1TB @ 1066 MHz
No
136 GB/sec
No
POWER8
1 (upgradeable) / 2
8 / 24
512GB / 1TB @ 1600 MHz
Yes
384 GB/sec
Yes
System unit PCIe slots
6 PCIe Gen2 FH
Opt 4 PCIe Gen2 LP
7 / 11 PCIe Gen3 FH
CAPI (Capable slots)
PCIe Hot Plug Support
IO bandwidth
Ethernet ports
N/A
No
60 GB/sec
Quad 1 Gbt (x4 slot)
Two
Yes
192 GB/sec
Quad 1 Gbt (x8 Slot)
SAS bays in system unit
6 or 8 SFF-1
12 SFF-3 bays
Or 18 SFF-3 + 8 SSD bays
Integrated write cache
Easy Tier Support
Integrated split backplane
Service Processor
Optional 175 MB
No
Yes ( 3 + 3 )
Generation 1
Optional effectively 7GB
Yes
Yes ( 6 + 6 )
Generation 2
© 2014 International Business Machines Corporation
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Performance
© 2014 International Business Machines Corporation
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CPW
S814 (1 socket)
 6-core
 8-core
3.0 GHz
3.7 GHz
59,500
85,500
Measured
using SMT8
S824
(1 or 2 socket)
 6-core 3.8 GHz
 12-core 3.8 GHz
72,000
130,000
 8-core 4.1 GHz
 16-core 4.1 GHz
94,500
173,500
SMT4 would
be somewhat
lower
 12-core 1-socket not offered
 24-core 3.5 GHz
230,500
© 2014 International Business Machines Corporation
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CPW
720 POWER7+
 4-core
 6-core
 8-core
(1 socket)
3.6 GHz
3.6 GHz
3.6 GHz
740 POWER7+
28,400
42,400
56,300
(1 or 2 socket)
S814
(1 socket)
 4-core
 6-core
 8-core
S824
xxxxx
3.0 GHz
3.7 GHz
xxxxxx
59,500
85,500
(1 or 2 socket)
 6-core 4.2 GHz
 12-core 4.2 GHz
49,000
91,700
 6-core 3.8 GHz
 12-core 3.8 GHz
72,000
130,000
 8-core 3.6 GHz
 16-core 3.6 GHz
56,300
106,500
 8-core 4.1 GHz
 16-core 4.1 GHz
94,500
173,500
 8-core
 16-core
64,500
120,000
 12-core 1-socket not offered
 24-core 3.5 GHz
230,500
4.2 GHz
4.2 GHz
© 2014 International Business Machines Corporation
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CPW
720 POWER7+
 4-core
 6-core
 8-core
(1 socket)
3.6 GHz
3.6 GHz
3.6 GHz
740 POWER7+
28,400
42,400
56,300
(1 or 2 socket)
 6-core 4.2 GHz
 12-core 4.2 GHz
49,000
91,700
 8-core 3.6 GHz
 16-core 3.6 GHz
56,300
106,500
 8-core
 16-core
64,500
120,000
4.2 GHz
4.2 GHz
S814
(1 socket)
 4-core xxxxx
+40%  6-core 3.0 GHz
 8-core 3.7 GHz
+50%
S824
xxxxxx
59,500
85,500
(1 or 2 socket)
 6-core 3.8 GHz
72,000
 12-core 3.8 GHz
130,000
+40%
 8-core 4.1 GHz
94,500
 16-core 4.1 GHz
173,500
+60%
 12-core 1-socket not offered
 24-core 3.5 GHz
230,500
+90%
© 2014 International Business Machines Corporation
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rPerf
(with SMT8)
S814 (1 socket)
 6-core
 8-core
S824
3.0 GHz
3.7 GHz
97.5
143.9
(1 or 2 socket)
 6-core 3.8 GHz
 12-core 3.8 GHz
120.8
235.6
 8-core 4.1 GHz
 16-core 4.1 GHz
166.0
323.6
 12-core 1-socket not offered
 24-core 3.5 GHz
421.8
S822
(1 or 2 socket)
 6-core 3.8 GHz
 12-core 3.8 GHz
120.8
235.6
 10-core
 20-core
177.8
346.7
© 2014 International Business Machines Corporation
3.4 GHz
3.4 GHz
49
rPerf – Multiple SMT Levels
SMT1
SMT2
SMT4
SMT8
6-core 3.0 GHz
48.3
70.1
91.1
97.5
8-core 3.7 GHz
71.4
103.5
134.5
143.9
6-core 3.8 GHz
59.9
86.9
112.9
120.8
12-core 3.8 GHz
116.8
169.4
220.2
235.6
8-core
4.1 GHz
82.3
119.3
155.1
166.0
16-core 4.1 GHz
160.4
232.7
302.4
323.6
24-core 3.5 GHz
209.1
303.2
394.2
421.8
6-core 3.8 GHz
59.9
86.9
112.9
120.8
12-core 3.8 GHz
116.8
169.4
220.2
235.6
10-core 3.4 GHz
88.2
127.8
166.2
177.8
20-core 3.4 GHz
171.9
249.3
324.0
346.7
Power S814
Power S824
Power S822
© 2014 International Business Machines Corporation
50
Power 740 / POWER8 S824 CPW Compares
Performance
Dual Socket
Performance
per Core
24
Core
16
Core
16
Core
740
P740+
S824
P740
© 2014 International Business Machines Corporation
16
Core
P740+
S824
S824
51
Power 740+ / POWER8 S824
Performance
per Core
rPerf Comparisons
Performance
per Socket
Performance
per KW
18
27%
Better
200
150
9
100
50
0
0
P740
P740+ P8 4U2S
© 2014 International Business Machines Corporation
P740
P740+ P8 4U2S
P 740+
P8 4U2S
52
Power 750+ vs POWER8 4U2S
Performance
Total # Cores
1.2
Performance
per $
TCA
3
3
2.5
2.5
2
2
1.5
1.5
1
1
0.5
0.5
0
0
32
1
0.8
24
0.6
16
0.4
8
0.2
0
0
P 750+ P8 4U2S
POWER8 ≥
Performance
P 750+ P8 4U2S
Fewer cores means
Lower Software Costs
Does not reflect lower
PVU savings
© 2014 International Business Machines Corporation
P 750+ P8 4U2S
P 750+ P8 4U2S
Lower investment
costs
Better performance
per dollar spent
53
SAP Sales & Distribution 2-Tier ERP 6 Benchmarks
IBM Power System S824 using DB2 10.5 vs. Competition
Over 2 times better 24 core performance than nearest Intel
competitive results
Up to 2 times greater performance than previous Power generation
2X
more users
IBM Power
S824
Fujitsu
RX300 S8
Cisco UCS HP ProLiant
C240 M3
BL460c
IBM Power
S824
IBM
p270
IBM
p260
(1.0) IBM Power System S824 on the two-tier SAP SD standard application benchmark running SAP enhancement package 5 for the SAP ERP 6.0 application; 4 processors / 24 cores / 192 threads,
POWER8; 3.52GHz, 512 GB memory, 21,212 SD benchmark users, running AIX® 7.1 and DB2® 10.5, dialog response: 0.98 seconds, line items/hour: 2,317,330, dialog steps/hour: 6.952,000 SAPS:
115,870 database response time (dialog/update): 0.011 sec / 0.019sec, CPU utilization: 99%, Certification #: 2014016 Results valid as of 3/24/14. Source: http://www.sap.com/benchmark.
(1.1) Fujitsu RX300 S8 on the two-tier SAP SD standard application benchmark running SAP enhancement package 5 for the SAP ERP 6.0 application; 2 processors / 24 cores / 48 threads. Intel Xeon E52697 processor 2.70 GHz, 256 GB memory, 10.240 SD benchmark users, running Windows Server 2012 SE and SQL Server 2012, Certification #: 2013024
(1.2) Cisco UCS c240 M3 on the two-tier SAP SD standard application benchmark running SAP enhancement package 5 for the SAP ERP 6.0 application; 2 processors / 24c ores / 48 threads. Intel Xeon
E5-2697 processor 2.70 GHz, 256 GB memory, 10.045 SD benchmark users, running Windows Server 2012 DE and SQL Server 2012, Certification #: 2013038
(1.3) HP ProLiant BL460c Gen8 on the two-tier SAP SD standard application benchmark running SAP enhancement package 5 for the SAP ERP 6.0 application; 2 processors / 24 cores / 48 threads. Intel
Xeon E5-2697 processor 2.70 GHz, 256 GB memory, 10.025 SD benchmark users, running Windows Server 2012 DE and SQL Server 2012, Certification #: 2013025
(2.1 IBM Flex System p270 Compute Node on the two-tier SAP SD standard application benchmark running SAP enhancement package 5 for the SAP ERP 6.0 application; 4 processors / 24 cores / 96
threads, POWER7+; 3.4GHz, 256 GB memory, 12.528 SD benchmark users, running AIX® 7.1 and DB2® 10 .5 Certification #: 3012019 Source: http://www.sap.com/benchmark.
(1.1)IBM Flex System p260 on the two-tier SAP SD standard application benchmark running SAP enhancement package 5 for the SAP ERP 6.0 application; 2 processors / 16 cores / 64 threads, POWER7+;
4.1GHz, 256 GB memory, 10,000 SD benchmark users, running AIX® 7.1 and DB2® 10, Certification #: 2012035
© 2014 International Business Machines Corporation
54
IBM Power System S824 delivers Best of Breed
eBS 12.1.3 Payroll performance
Over 2 times more performance per-core than Cisco result
with higher overall through-put on few cores
2X !
IBM Power
S824
12-core
Cisco UCS
C240 M3
24-core
Oracle
BL460c
16-core
IBM Power
S824
12-core
Cisco UCS
C240 M3
24-core
Oracle
BL460c
16-core
All results use Oracle eBS 12.1.3 Payroll Batch Extra Large Kit and are current as of 3/24/2014.
For more information go to http://www.oracle.com/us/solutions/benchmark/apps-benchmark/results-166922.html
© 2014 International Business Machines Corporation
56
IBM Power System S824 delivers New High-water
Siebel CRM Release 8.1.1.4 performance
Over 3 times the DB performance per-core than previous results
Highest overall users supported on fewer cores!
New #1
IBM Power
S824
6-core
Oracle
SPRAC T4-2
16-core
Cisco
UCS B200 M3
16-core
3.3 X
IBM Power
S824
6-core
Oracle
SPRAC T4-2
16-core
Cisco
UCS B200 M3
16-core
(1) All results use Siebel 8.1.1.4 PSPP Kit and are current as of 3/24/2014. For more information go to http://www.oracle.com/us/solutions/benchmark/whitepapers/siebel-167484.html
© 2014 International Business Machines Corporation
57
SPECjbb Details
50%
Better
81%
Better
40%
Better
Performance
Performance per Core
Price Performance
DL380p
S822L
DL380p
S822L
DL380p
S822L
HP
IBM
HP
IBM
HP
IBM
© 2014 International Business Machines Corporation
58
POWER8 System Performance
P8 S824
P5+ 595
P4 690
© 2014 International Business Machines Corporation
59
Ordering
Processor
Cards,
Activations,
Editions
© 2014 International Business Machines Corporation
60
Editions/Vouchers/CBU/Factory Deconfiguration
 Unlike Power 710/720/730/740, no IBM editions, no IBM i
editions, no AIX solution editions
 Simpler – no mix of priced & no-charge activations
 Simpler – no memory & I/O minimums to qualify for no-charge activations
 Voucher usage for non-solution editions similar to what used to be
associated with above editions is still being defined as of 28 April 2014.
 Like Power 720
IBM i Solution editions offered
 Same structure/deal, same registration requirement, same edition feature
codes (#4927), same website, same voucher
 However unlike Power 740, not offered for Power S824
 CBU for IBM i yes … basically same as 720/740, however
the “primary” server must be a POWER7 or later.
 #2319 Factory deconfiguration -- same rules as Power 7xx
 5250 features for S824 (P20 tier) are the same as for the
Power 740 (but delayed eConfig support)
© 2014 International Business Machines Corporation
61
POWER8
Memory
© 2014 International Business Machines Corporation
62
Memory Card
Capacity: 16 GB / 32 GB / 64 GB
1600 MHz
Memory Sparing - RAS improvement
8 Cards per socket (Scale-out Systems)
Plugs into backplane (no riser card)
© 2014 International Business Machines Corporation
63
Memory Features and Pricing
4U server
S814, S824
List price
Price per
GB
$1250
$78
16 GB
8286-41A, 8286-42A
#EM8B
32 GB
#EM8C
$1700
$53
64 GB
#EM8D
$3400
$53
List price
Price per
GB
$1250
$1700
$3400
$78
$53
$53
List price
Price per
GB
$1250
$78
2U server
16 GB
32 GB
64 GB
S821L, S822L
8247-21L, 8247-22L
#EL3P
#EL3Q
#EL3R
S822
2U server
16 GB
8284-22A
#EM83
32 GB
#EM84
$1700
$53
64 GB
#EM85
$3400
$53
Lowest $/card
Lower $/GB
Lowest $/card
Lower $/GB
Lowest $/card
Lower $/GB
Prices are USA list prices and subject to change. Reseller prices may vary.
© 2014 International Business Machines Corporation
64
POWER8/POWER7+ Memory Features and Pricing
4U server
memory
16 GB
32 GB
64 GB
2U server
memory
16 GB
32 GB
64 GB
2U server
memory
16 GB
32 GB
64 GB
S814, S824
8286-41A, 8286-42A
#EM8B
#EM8C
#EM8D
S822
8284-22A
#EM83
#EM84
#EM85
S812L, S822L
8247-21L, 8247-22L
#EL3P
#EL3Q
#EL3R
List price
Price per
GB
$1250
$1700
$3400
$78
$53
$53
List price
Price per
GB
$1250
$1700
$3400
$78
$53
$53
List price
Price per
GB
$1250
$1700
$3400
$78
$53
$53
720
8202-E4D
EM4B
EM4C
EM4D
710
8231-E1D
EM4B
EM4C
EM4D
7R1
8246-E
EL2S
EL2T
EL2U
List price
Price per
GB
$ 850
$1700
$6400
$53
$53
$100
List price
Price per
GB
$ 850
$1700
$6400
$53
$53
$100
List price
Price per
GB
$ 399
$ 798
$2798
$25
$25
$44
Prices are USA list prices and subject to change. Reseller prices may vary.
© 2014 International Business Machines Corporation
65
Active Memory Expansion
True
memory
True
memory
True
memory
Expand
memory
Expand
memory
Expand
memory
True
memory
True
memory
True
memory
Expand
memory
Expand
memory
Expand
memory
Effectively
more
memory
Like POWER7, provides POWER8 advantage
Expand memory beyond physical limits
More effective server consolidation
 Run more application workload / users per partition
 Run more partitions and more workload per server
60-day trial like Power 7xx
AIX only
Note expansion percentage is very workload dependent
© 2014 International Business Machines Corporation
66
PCIe Slots
© 2014 International Business Machines Corporation
67
PCIe Slots - Memorize This
4U
1S
4U
2U
2S
4U
1S
2U
2S
2U
7 11 6
9
Total PCIe slots
All hot swap
All Gen3
• Use 1 of the above slots for a LAN adapter
• Use 1 of the above for expanded function backplane
• There is no PCIe expansion drawer announced. There
is an SOD.
© 2014 International Business Machines Corporation
68
PCIe Gen3
Gen1 x8
Gen2 x8
Gen3 x8
2.5 GHz
Though these cards physically look the same … and fit in the same slots
Gen3 cards/slots have up to 2X more bandwidth than Gen2 cards/slots
Gen3 cards/slots have up to 4X more bandwidth than Gen1 cards/slots
 More virtualization
 More consolidation
saving PCI slots and I/O drawers
 More ports per adapter
18
16
14
12
Peak
A Gen1 x8 PCIe adapter has a theoretical max (peak)
bandwidth of 4 GB/sec.
A Gen2 x8 adapter has a peak bandwidth of 8 GB/sec.
A Gen3 x8 adapter has a peak bandwidth of 16 GB/sec.
Sustained
10
8
6
4
2
0
Gen1
Gen2
Gen3
© 2014 International Business Machines Corporation
69
PCIe x8 and x16
POWER8 servers have x8
AND x16 PCIe slots
Compared to POWER7+ PCIe Gen2 x8 slot, a POWER8
PCIe Gen3 x16 slot has a peak bandwidth of 4X (2X
going Gen2 to Gen3 plus 2X going x8 to x16)
x8
x1
x4
x8
x16
x16
x16 slot/card has more connections than a x8 slot/card
“x16” or “x8” refers to the number of lanes. More lanes = more physical
connections = more bandwidth
A x8 card can be placed in a x16 slot, but only uses half the connections
© 2014 International Business Machines Corporation
70
POWER8 PCIe Adapter Migration
POWER7-supported PCIe adapters supported on POWER8
 Initial GA:
robust list
 Modest set of PCIe adapters not supported on POWER8
Scale-out Servers -- mostly elderly or low volume
Remember, No PCI-X adapters on POWER8
 This means no SCSI
 For IBM i, means no IOPs (no SDLC)
© 2014 International Business Machines Corporation
71
Storage
Backplanes
© 2014 International Business Machines Corporation
72
Storage Backplanes
4U server example
12 SAS bays for either base
or split backplanes
Backplanes provide
 High performance integrated SAS controller(s) built on IBM industry
leading PCIe Gen3 SAS adapter technology
 All include RAID 0, 1, 5, 6, 10. Plus hot spare capability
 Split backplane option with zero-write cache controllers
 Easy Tier® function*
 8-18** SAS bays for 2.5-inch (SFF) HDD or SSD
 6-8** SAS bays for 1.8-inch SSD*
 One DVD bay
Op-panel
 Option for attaching one EXP24S drawer of HDD or SSD*
DVD
* With dual IOA, expanded function backplane with write cache
** number varies based on 2U/4U and backplane option selected
© 2014 International Business Machines Corporation
73
Easy Tier Function Advantage
Optional function with
expanded-function, highperformance storage
backplane
HDD
SSD
Low cost per IOP
Low cost per GB
Easy
Tier
 Automatically moves high activity (hot) data to SSD and low activity (cold)
data to HDD
 Function handled totally by POWER8 integrated SAS controllers. No
application coding. No SAN, just internal SAS drives.
 For AIX/Linux/VIOS. Just configure as a new type RAID array
 IBM i already has hot/cold function in OS for all SAS adapters
Could use this function via VIOS (no performance data available at this time)
IBM i less automated, but has more controls/options
© 2014 International Business Machines Corporation
74
4U Storage Backplane Options
Must select one 
Base
4U server
Split
Expanded
Function *
12 SFF SAS bays
1 SAS controller
No write cache
6+6 SFF SAS bays
2 SAS controllers
No write cache
18 SFF SAS bays
Dual SAS controllers
7.2**GB cache
RAID-0,1,5,6,10
RAID-0,1,5,6,10
RAID-0,1,5,6,10
DVD bay
DVD bay
DVD bay
8-bay SSD cage***
External SAS ports
Easy Tier function
Availability plan:
- eConfig 15 July
- GA Sept
* Uses one x8 PCIe slot
** 1.8GB physical write cache provides up to 7.2GB effectively with compression
***SSD cage not available on mdl 41A, Required on mdl 42A with expanded function
© 2014 International Business Machines Corporation
75
Storage Backplane Pricing
Must select one 
4U server
Base
Split
Expanded
Function
12 SFF SAS bays
1 SAS controller
6+6 SFF SAS bays
2 SAS controllers
18 SFF SAS bays
Dual SAS controllers
$ 1000
$ 2000
$ 4000 *
12 SFF SAS bays
1 SAS controller
6+6 SFF SAS bays
2 SAS controllers
8 SFF SAS bays
Dual SAS controllers
$ 900
$ 1800
$ 3500 *
12 SFF SAS bays
1 SAS controller
6+6 SFF SAS bays
2 SAS controllers
8 SFF SAS bays
Dual SAS controllers
$ 678
$1356
$2750 *
2U server
2U server
Linux only
* plus cost of SSD cage or SAS ports
© 2014 International Business Machines Corporation
USA list prices. Subject to change without notice. Reseller prices may vary
Prices do not include maintenance after warranty or include SAS drives or DVD.
77
Controller Write Cache Value
Milliseconds
Controller cache is
• Up to 1.5 to 2.5X
faster than SSD
• Up to 80X faster
than HDD average
(Up to 115 X HDD max )
9
8
7
6
5
4
3
2
1
0
Time/latency for
Random Writes
Max
average
80X
*
Adapter Cache
DRAM
SSD eMLC3
HDD (15k)
Value depends on the amount/percentage of Writes
Valuable for SSD, even more valuable for HDD
Can even improve “reads” if application using recently written data still sitting in
cache
Graph is a simplification. All performance discussions start with the words “it depends”. HDD 15k Max ms shows typical maximum rotational delay and
arm movement. 10k HDD is about 1 ms slower. Non-random work will have better HDD measurements. Actual HDD performance varies from HDD to
HDD. Adapter write cache can also speed reads, but value of write cache for reads is highly application dependent. The bottom line (*) of the SSD is
obtained when the DRAM write cache integrated into SSD can handle the write and with a low queue depth. The higher SSD value is with a higher queue
depth and/or when the SSD write cache is not able to keep up with a stream of writes and the write is occurring to the NAND flash memory.
© 2014 International Business Machines Corporation
78
Controller Write Cache Value
Milliseconds
Controller cache is
• Up to 1.5 to 2.5X
faster than SSD
0.2
0.18
0.16
0.14
0.12
0.1
0.08
0.06
0.04
0.02
0
Time/latency for
Random Writes
*
Adapter Cache
DRAM
SSD eMLC3
HDD
Value depends on the amount/percentage of Writes
Valuable for SSD, even more valuable for HDD
Can even improve “reads” if application using recently written data still sitting in
cache
Graph is a simplification. All performance discussions start with the words “it depends”. HDD 15k Max ms shows typical maximum rotational delay and
arm movement. 10k HDD is about 1 ms slower. Non-random work will have better HDD measurements. Actual HDD performance varies from HDD to
HDD. Adapter write cache can also speed reads, but value of write cache for reads is highly application dependent. The bottom line (*) of the SSD is
obtained when the DRAM write cache integrated into SSD can handle the write and with a low queue depth. The higher SSD value is with a higher queue
depth and/or when the SSD write cache is not able to keep up with a stream of writes and the write is occurring to the NAND flash memory.
© 2014 International Business Machines Corporation
79
Backplane Performance Considerations
If you have applications with write-sensitive
performance characteristics, be cautious about zero
write cache configurations, especially for HDD
 Boot drives typically not a concern
Zero write cache controllers support the use on RAID-5 and
RAID-6 on POWER8 servers
 Very cost effective per GB
 HOWEVER, increases the number of writes significantly
Note IBM i supports the use of all three backplane options
whereas IBM i supports only backplanes with cache on prePOWER8 servers. Be VERY, VERY careful of HDD workloads
on base and split backplanes for IBM i.
© 2014 International Business Machines Corporation
80
SAS Bays for POWER8 Servers
New SSF-3
SFF-3 used in 2U and 4U POWER8 servers
3rd generation carrier/tray on which 2.5-inch (SFF) is mounted
Different tray/carrier than existing SFF-1 and SFF-2
 SFF-1 in POWER6/POWER7 system unit or #5802 I/O drawer
 SFF-2 in EXP24S Storage drawer (#5887 or #EL1S)
 Can not put wrong tray/carrier in the wrong SAS bay
For migrations to POWER8, conversions for SFF-1 to SFF-2 on POWER7/7+
servers. Protects client investment in HDD and SSD. Not a conversion to SFF-3,
requires space in an EXP24S drawer to place converted SFF drives. “Re-trays”
existing SFF-1 drives.
© 2014 International Business Machines Corporation
81
Integrated
Ports
© 2014 International Business Machines Corporation
82
Integrated Ports on the System Unit
No port feature codes (except 4U SAS ports)
4U
2U
USB-3 with full client usage
2 front
2 rear
2 front,
2 rear
USB-2 primarily IBM use, limited client use
supported*. Ports off Service Processor card
2* rear
2 rear
HMC ports - 1Gb Ethernet RJ45
2 rear
2 rear
Serial / System port - RJ45 **
1 rear
1 rear
2 rear
2 rear
Mandatory #EJ0Z
feature. Ports take a
PCIe slot
No feat code. Ports
do not take a PCIe
slot
2 SAS ports with high performance, dual IOA controller
storage backplane on 2-socket servers – can attach
one EXP24S drawer
* For IBM i Unlike POWER7 or POWER6, IBM i communication to UPS is NOT via the serial port on
POWER8 server. POWER8 connection to UPS for IBM i is over the USB-2 ports off the service processor
card. A converter cable #ECCF should be used to convert USB port to 9-pin D-Shell connector which can be
connected to the UPS cable.
** For AIX/Linux For attaching serial devices like a Async console which doesn’t have a RJ45 interface.
Just like on POWER7/POWER7+, use #3930 converter cable to provide a 9-pin D-Shell connector.
© 2014 International Business Machines Corporation
83
RAS
© 2014 International Business Machines Corporation
84
● Standard
◙ Optional
▬ Not Available
RAS Feature Overview
RAS Item
Redundant / Hot Swap Fans & Blowers
Hot Swap DASD & Media
Hot Swap PCI Adapters
Concurrent Firmware Update
Redundant / Hot Swap Power Supplies
Dual disk controllers (split backplane)
Processor Instruction Retry
Alternate Processor Recovery
Storage Keys
PowerVM™/Live Part. Mobility/Live App Mobility
Dynamic Processor Sparing
Redundant Service Processors
Redundant System Clocks
Hot GX Adapter Add and Cold Repair
Dynamic Service Processor &System Clock Failover
Enterprise Memory ( Memory Sparing )
Integrated TPMD Function
Hot GX Adapter Repair
Active Memory Mirroring for Hypervisor
Power Pools
Dynamic Processor Sparing
© 2014 International Business Machines Corporation
POWER7+
710 / 730
POWER7+
720 / 740
POWER8
models
●
●
●
●
●
●
▬
▬
●
●
●
●
●
●
●
▬
◙
◙
●
●
●
●
●
●
●
●
●
◙
▬
▬
▬
▬
▬
▬
▬
▬
▬
▬
▬
◙
▬
▬
▬
▬
▬
▬
▬
▬
▬
▬
▬
◙
▬
▬
▬
N/A
▬
●
●
N/A
▬
▬
▬
85
Upgrades
© 2014 International Business Machines Corporation
86
Upgrades
No same-serial-number upgrades from Power 7xx to
Power S8xx
 Could not pass financial/accounting rules to do so
POWER6
520
POWER7
720
6/8-core
POWER8
S8x4
Migrate to new
serial number
2/4-core
Note the Power 770/780 D models have an SOD for
same-serial-number upgrades and another SOD
covering mobile activations.
© 2014 International Business Machines Corporation
87
OS
Support
© 2014 International Business Machines Corporation
88
AIX Support of Scale-out Servers
11 / 2012
AIX 6
TL7
SP6
AIX 6
TL8
SP1
2 / 2012
3 / 2013
5 / 2013
8 / 2013
SP7
SP2
AIX 6
TL9
9 / 2013
10 / 2013 12 / 2013 2Q / 2014 3Q / 2014
SP8
SP9
SP10
SP3
SP4
SP5
SP1
AIX 7
TL1
SP6
AIX 7
TL2
SP1
SP7
SP2
AIX 7
TL3
SP3
SP8
SP9
SP10
SP3
SP4
SP5
SP1
SP3
P7 or P6 Modes with Virtual I/O
P7 or P6 Modes with Full I/O Support
P8, P7 or P6 Modes with Full I/O Support
© 2014 International Business Machines Corporation
89
IBM i Support for Scale-out Servers
IBM i 7.1 TR8
POWER8
Supported – adds SMT8, more threads
IBM i 7.2
POWER8 Supported -- adds SMT8, more cores/partition, more threads
© 2014 International Business Machines Corporation
90
Linux for Scale-out Servers
1H / 2014
2H / 2014
RHEL6
RHEL 6.5
POWER7 Mode on POWER8
RHEL 6.6
POWER7 mode on POWER8
RHEL 7
RHEL 7.0 *
SLES 11
SLES 11 + SP3
POWER7 Mode on POWER8
SLES 12 (LE)
POWER8 Support
SLES 12
Ubuntu (LE)
14.04.00/01
POWER8 Support
14.04.00/02
Debian
LE Introduction
POWER8 Support
LE Update
PowerVM
2.2.3.3
2.2.3.X
* REH7 currently in Beta, RH and IBM working to support POWER8
© 2014 International Business Machines Corporation
91
Mobility
© 2014 International Business Machines Corporation
92
POWER6 / POWER7 / POWER8 Partition Mobility
AIX 7.1
AIX 7.1
AIX 6.1
AIX 6.1
AIX 7.1
AIX 7.1
AIX 7.1
AIX 7.1
AIX 6.1
AIX 6.1
AIX 6.1
AIX 6.1
AIX 5.3
AIX 5.3
AIX 5.3
IBM i 7.1
IBM i 7.1 *
IBM i 7.2
IBM i 7.2 *
Linux
POWER6/6+
Linux
Linux
POWER7
Linux
Linux
POWER8
Leverage POWER6 / POWER7 Compatibility Modes
LPAR Migrate between POWER6 / POWER7 / POWER8 Servers
Can not move POWER8 Mode partitions to POWER6 or POWER7 systems.
* final testing underway, not officially announced April 2014
© 2014 International Business Machines Corporation
93
HMC
© 2014 International Business Machines Corporation
95
HMC Model 7042-CR8
7042-CR8 is System x model 7914 Ref3
 Based on 7042-CR7
 2GHz Ivy Bridge Intel Proc*
 8GB DDR3 Mem (1x8GB DIMM)
 Dual 500GB HDD (RAID1)
 Quad GigE (First eth port can be shared IMM)
 Dedicated IMM port
UEFI, IMM, DSA is similar to CR7 (same for all 7914)
Planned GA with HMC: 2Q 2014
FW Level: 8R810
96
Enhanced HMC Management Capabilities
Performance Monitoring
1.View System Performance Dashboard
2.View Resource Utilization Trends (Processor,
Memory, Network, Storage)
© 2014 International Business Machines Corporation
97
New I/O
28 April
© 2014 International Business Machines Corporation
98
New POWER8 PCIe Adapters
LAN
2-port 40GbE NIC & RoCE
QSFP+ cables
2-port 10GbE
RJ45 (10GBaseT)
only $950
4-port 10GbE+1GbE Copper twinax & RJ45 only $1200
4-port 10GbE+1GbE SR optical & RJ45
only $1600
USB-3
4-port
No
NIM
(old USB-2 not supported)
SAS PCIe3
4-port Tape/DVD
only $1000
Reprice 4-port zero cache HDD/SSD
to $1000
Graphics adapter for future RHEL 7
(Planned June announce)
PCIe3 FPGA Accelerator Adapter
Prices are USA PRELIMINARY list prices for a Power S822 and are subject to change. Reseller prices may vary.
© 2014 International Business Machines Corporation
99
New I/O Announced with Scale-out Servers
SOD for PCIe3 expansion drawers
 SOD states will have PCIe Gen3 drawer in future
 Important planning consideration for clients with lots of I/O.
 Emphasize multi-port adapters available to virtualize
 Emphasize bandwidth of Gen3 PCIe slots to virtualize
Disk/HDD
New capacity - 600GB 15k rpm
New 4k block drives
SSD
New 1.8-inch 387GB for POWER8 servers SSD cage
Prices are USA list prices for a Power S822 and are subject to change. Reseller prices may vary.
© 2014 International Business Machines Corporation
100
New I/O
8 April
© 2014 International Business Machines Corporation
101
New I/O Announcing 8 April for POWER7/POWER+
PCIe Adapters
 SAS expandeded usage
PCIe3 4-port zero cache on more models
PCIe3 4-port huge cache on more models
PCIe2 3-port large cache on more POWER7 models
 Easy Tier function for POWER7+ models with #EJ0L huge
cache SAS adapter for AIX/Linux/VIOS
 IBM Flash Adapter 90 support on more models
Prices are USA list prices for a Power 720 and are subject to change. Reseller prices may vary.
© 2014 International Business Machines Corporation
102
The Most Powerful SAS RAID Adapters EVER
Announced Jan 2014 for Power 795
Now (Apr/Jun) on a lot more models
#EJ0L
Huge cache
#EJ0J / #EJ0M
No cache
First PCIe Gen3 adapters introduced by Power Systems
Most powerful SAS adapters ever created by Power Systems *
* IBM Development team not aware of a more powerful SAS adapter in the world
 Supports 2X more SSD devices than Gen2 SAS adapter
 Up to 10X more performance than Gen1 SAS Adapter
 2X more performance than Gen2 SAS adapter
#EJ0L effectively has 6X more write cache
Better prices than predecessor Gen2 SAS adapters
©103
2014 International Business Machines Corporation
103
New I/O Announcing 8 April for POWER7/POWER+
New IMFC (#EN10/EN11) for Power 770/780 “C & D” model
 Integrated Multifunction Card … 4 ports Ethernet + USB + Serial ports
 #EN10/EN11 adds 10GBase-T and FCoE (CNA) capability
 #EN10/EN11 adds SR-IOV capability for “D” model with new firmware
level
NIC SR-IOV for POWER7+ 770/780 with
 Specific 10GE Ethernet adapters #EN0K and #EN0H in Gen2 slots
 Or with newest IMFC #EN10 and #EN11
Enhanced native (nonVIOS) IBM i support of existing adapters
 16Gb Fibre Channel
(Switch still required)
 SR-IOV where supported
 IBM i 7.1 TR8 or 7.2
Prices are USA list prices for a Power 720 and are subject to change. Reseller prices may vary.
© 2014 International Business Machines Corporation
104
Availability Plans for 8 Apr Announce
Annc
eConfig
PCIe3 12GB SAS RAID adapter #EJ0L
on Power 770/780/ESE
on Power 710/720/730/740/750/760
8 Apr
8 Apr
PCIe3 0GB SAS RAID adapter #EJ0J/EJ0M
on Power 770/780/ESE
on Power 710/720/730/740/750/760
8 Apr
PCIe2 3GB SAS RAID adapter #ESA3
8 Apr
8 Apr
18 Apr
PCIe2 4-port Ethernet Adapter 10Gb + 1Gb,
Copper Twinax #EN0K/EN0L
8 Apr
8 Apr
25 Apr
Additional IMFC for 770/780 #EN10/EN11
8 Apr
8 Apr
18 Apr
SR-IOV support on POWER7+ 770/780
8 Apr
n/a
10 Jun
Native IBM i TR8 support of 16Gb FC
8 Apr
n/a
10 Jun
Enterprise Pool – mobile enabled activations
8 Apr
8 Apr
25 Apr
©105
2014 International Business Machines Corporation
GA
28 Apr
10 Jun
8 Apr
28 Apr
10 Jun
105
SR-IOV
© 2014 International Business Machines Corporation
106
SR-IOV …. A Technology of Interest
LPAR #1
LPAR #2
 Single Root I/O Virtualization
LPAR #3
 Runs “closer to the silicon” potentially offering some
performance efficiencies
 Doesn’t require VIOS as a pre-req and thus can do simple
virtualization under PowerVM without VIOS …. BUT ….
VIOS continues to offer many additional advanced functions
 Architecturally can virtualize a resource like an Ethenet
adapter and allocate/provide a user-defined minimum level
of bandwidth to a partition … Quality of Service (QoS)
 Ethernet NIC announced.
FCoE and FC not announced.
 Can use VIOS & SR-IOV together
© 2014 International Business Machines Corporation
107
SR-IOV
(Single Root I/O Virtualization)
for Ethernet NIC
• Simple virtualization without VIOS
• With quality of service controls
LPAR #1
LPAR #2
QoS
Min of y%
Gen 2 *
LPAR #3
LPAR #4
© 2014 International Business Machines Corporation
• * For specific Gen2 Adapters with SR-IOV
capable electronics In PCIe Gen2 (or later) slot
• For specific Integrated Multifunction Cards with
SR-IOV capable electronics
• Under latest 7.8 firmware
• With recent OS level software
108
SR-IOV
(Single Root I/O Virtualization)
for Ethernet NIC
Virtualization with VIOS example
• Redundant VIOS with one hardware resource
• Minimum amount of bandwidth for Quality of Service (QoS)
QoS
VIOS - A
LPAR #2
Min of y%
Gen 2 *
LPAR #3
VIOS - B
© 2014 International Business Machines Corporation
• * For specific Gen2 Adapters with SRIOVcapable electronics In PCIe Gen2 or later slot
• For specific Integrated Multifunction Cards with
SRIOV-capable electronics
• Under latest 7.8 firmware
• With recent OS level software
109
SR-IOV
(Single Root I/O Virtualization)
Dual VIOS
• Redundant VIOS with redundant hardware resource
• Minimum amount of bandwidth for Quality of Service (QoS)
QoS
QoS
SRIOV virtualization +
VIOS virtualization
Gen 2
VIOS - A
LPAR #2
SRIOV virtualization +
VIOS virtualization
Min of y%
Gen 2
LPAR #3
VIOS - B
© 2014 International Business Machines Corporation
110
SR-IOV and POWER8 Servers
No announcement or SOD was issued for SR-IOV
function in April 2014
However, this capability is being worked on by IBM
development. No architectural problems are known.
The only known challenge is working it into busy test
schedules and ensuring things are tuned properly on
the POWER8 PCIe Gen3 slots
Note that SR-IOV requires an HMC
© 2014 International Business Machines Corporation
111
Power
Enterprise
Pools
© 2014 International Business Machines Corporation
112
New “Mobile-Enabled” Activations
static
mobile
8 April 2014 announcement for POWER7+ 770/780 and Power 795
 New static processor core activations can save total cost
 Higher initial cost, but converts to mobile activations at no-charge when
ready
+ MES conversion 
Original Static
$$$$
$$$$
Mobile enabled Static + MES conversion 
$$$$$$
© 2014 International Business Machines Corporation
0
Mobile
$$$$$$$$
Mobile
$$$$$$
113
28 April Statements of Direction (SODs)
IBM plans to bring POWER8 capability to the full Power Systems portfolio, with the intent
to deliver the most scalable, highest performing enterprise-class Power System with an
advanced version of the POWER8 processor. These enterprise systems are designed to
deliver the industry’s best per-core performance and will support AIX, Linux and IBM i
applications, concurrently. The new system architecture incorporates the resiliency
characteristics of IBM’s Power 795 with the intent to drive substantial improvements in
energy efficiency and floor space utilization for mid-sized and large enterprises. These
systems will use IBM's modular design to enable clients to leverage the innovations in
POWER8 processor technology and the latest advancements in enterprise-class systems
and Capacity on Demand, to help enable growth seamlessly and affordably.
IBM also plans to provide upgrade paths from the current POWER7+ Power 770 and 780
servers to enterprise-class POWER8 processor-based servers. It is intended that clients
with multiple systems can leverage PowerVM Live Partition Mobility to help maintain
application availability during the upgrade process.
IBM plans to preserve client investment in Power Systems by enabling POWER8
processor-based Power Systems to interoperate and share Mobile Capacity on Demand
(COD) resources with POWER7 and POWER7+ processor-based Power Systems
servers in a single Power Enterprise Pool, at no additional charge. IBM also plans to
offer clients an option to permanently transfer their Mobile CoD processor and memory
activation features from a Power 770, 780 or 795 to a designated POWER8 processorbased Power System within the same Power Enterprise Pool.
IBM’s statements regarding its plans, directions, and intent are subject to change or withdrawal without notice at IBM’s sole discretion. Information regarding potential future products is
intended to outline our general product direction and it should not be relied on in making a purchasing decision. The information mentioned regarding potential future products is not a
commitment, promise, or legal obligation to deliver any material, code or functionality. Information about potential future products may not be incorporated into any contract. The
development, release, and timing of any future features or functionality described for our products remains at our sole discretion.
© 2014 International Business Machines Corporation
114
TSS
© 2014 International Business Machines Corporation
115
TSS Enabling Technology to Enhance Client Experience
Enabling Predictive and Proactive Support for reduced operations cost and improved IT
Efficiency
Technical Support Appliance
Pre-emptive reports & recommendations for your
servers, storage, and network to help avoid issues
Available in US and Europe (Additional IOTs 2H2014)
NEW: report the major.minor comparison for Linux RH, SLES,
and Ubuntu on Power. Available: June 10, 2014
Quick Reference (QR) Codes
Access critical information from mobile device
ie., installation documents and CRU replacement
videos) Target Availability: June 10, 2014
“Reports not only show my current levels, they include
recommended levels. Very cool!” - Fortune 500 Financial
Institution
Technical Support Mobile App
User convenient App for clients to
connect with IBM Support
Target Availability: March 31, 2014
Watson4TSS
Provide a full-scale Watson technology to effectively
and efficiently diagnose customer problems
Pilot for Power 2Q2014,
Target Global Availability June 15, 2014
Electronic Service Agent
Currently available for Power Systems
"It's also very proactive…if something starts to
falter, it is picking that up before we know it.
When it phones home, it has…everything that
the customer representative needs to fix the
problem.” – Wake Med
© 2014 International Business Machines Corporation
116
(
Head’s Up
Business Practices are changing …. You need
to be aware
(T’s & C’s are not changing)
Impacts your client (and you) at the end of POWER8
server warranty
(Opportunity to help sell maintenance contracts)
Machine Code Entitlement
© 2014 International Business Machines Corporation
118
Update Entitlement at Activation
No change to Power S8xx clients on maintenance
contracts following 3yr warranty. May impact clients
who don’t have coverage.
POWER8 (and later) servers require machine code “update
entitlement at activation”
- POWER8 and later servers contain an “update access key” (UAK)
Machine code update entitlement is checked using the UAK at each
activation / installation
Entitlement check must pass before an update can proceed
- Entitlement is checked based on existing terms and conditions
- Security and safety fixes are exempt from the entitlement check
Entitlement checking enables IBM’s continued innovation and protects client
investment
© 2014 International Business Machines Corporation
119
Scale-out Hardware with
POWER8 Technology:
Announcement Deep Dive
30 April 2014
Mark Olson
olsonm@us.ibm.com
© 2014 IBM Corporation
POWER8 Memory Organization
Up to 32 total DDR ports
Up to 410 GB/s
DRAM
Chips
Memory
Buffer
128
GB
16MB
128
GB
Up to 8 high speed channels,
Up to 8 GB/s per channel
16MB
128
GB
16MB
16MB
128
GB
128
GB
16MB
16MB
128
GB
128
GB
16MB
16MB
128
GB
(2 bytes read + 1 byte write -- per channel)
Up to 192 GB/s sustained
POWER8 DCM
 Up to 1 TB / Socket
 First POWER8 Systems:
 512 GB /Socket
© 2014 International Business Machines Corporation
129
POWER8 Integrated PCI Gen 3
POWER8
Native PCIe Gen 3 Support
POWER7
•
•
•
•
DCM
Direct processor integration
Replaces proprietary GX/Bridge
Low latency
Gen3 x16 bandwidth (32 GB/s)
Transport Layer for CAPI Protocol
GX
Bus
•
•
PCIe
Gen3
Coherently Attach Devices connect to
processor via PCIe
Protocol encapsulated in PCIe
I/O
Bridge
x8
x8
x16
x16
PCIe
Gen2
PCI
Devices
© 2014 International Business Machines Corporation
PCI
Devices
131
2U Server
© 2014 International Business Machines Corporation
133
Linux-only 1S2U Planar Layout
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
POWER8
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
POWER8
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
Service Processor
2x1GbE HMC
1xSerial, 2xUSB-2
PCIe Gen3 x16
PCIe Gen3 x16
x8
x8
BP
12 x SFF Bays & DVD
BP 8 x 2.5” Bays & DVD
PCIe Gen3 x8
PEX
PCIe Gen3 x8
PEX
PCIe Gen3 x8
PCIe Gen3 x8
SAS #1
USB
Dual Ext SAS
© 2014 International Business Machines Corporation
SAS #2
134
2S2U Planar Layout
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
POWER8
POWER8
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
POWER8
POWER8
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
SN
SN
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
Service Processor
2x1GbE HMC
1xSerial, 2xUSB-2
PCIe Gen3 x16
PCIe Gen3 x16
x8
PCIe Gen3 x16
PCIe Gen3 x16
x8
PCIe Gen3 x8
BP
12 x SFF Bays & DVD
BP 8 x 2.5” Bays & DVD
6 x 1.8” SSD
PCIe Gen3 x8
PEX
PCIe Gen3 x8
PEX
PCIe Gen3 x8
PCIe Gen3 x8
SAS #1
4xUSB-3
Dual Ext SAS
© 2014 International Business Machines Corporation
SAS #2
135
4U Servers
© 2014 International Business Machines Corporation
136
1S4U Planar Layout
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
POWER8
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
POWER8
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
Service Processor
2 x 1GbE HMC
1xSerial, 2xUSB-2
PCIe Gen3 x16
PCIe Gen3 x16
x8
x8
BP
12 x SFF Bays & DVD
BP 1 8 x 2.5” Bays & DVD
PCIe Gen3 x8
PEX
PCIe Gen3 x8
PEX
PCIe Gen3 x8
PCIe Gen3 x8
PCIe Gen3 x8
SAS #1
4xUSB-3
Dual Ext SAS
© 2014 International Business Machines Corporation
SAS #2
137
2S4U Planar Layout
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
POWER8
POWER8
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
POWER8
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
SN
SN
DRAM
DRAM
DRAM
DRAM
POWER8
SN
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
SN
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
Service Processor
2x1GbE HMC
1xSerial, 2xUSB-2
PCIe Gen3 x16
PCIe Gen3 x16
x8
PCIe Gen3 x16
PCIe Gen3 x16
x8
PCIe Gen3 x8
PCIe Gen3 x8
BP
12 x SFF Bays & DVD
BP 1 8 x 2.5” Bays & DVD
8 x 1.8” SSD
PCIe Gen3 x8
PEX
PCIe Gen3 x8
PEX
PCIe Gen3 x8
PCIe Gen3 x8
PCIe Gen3 x8
SAS #1
4xUSB-3
Dual Ext SAS
© 2014 International Business Machines Corporation
SAS #2
138
Performance
© 2014 International Business Machines Corporation
139
POWER8 “Turbo”
12 Core
Sockets
1
0.5
0
Nominal
•
•
•
•
•
Configure via ASMI menu
Potential increase in processor frequency: ~ 11+%
Requires firmware 810 ( POWER8 support)
CPW & rPerf measured using nominal
Note fans run faster increasing noise level
© 2014 International Business Machines Corporation
Turbo
This is not
POWER7
Turbo-core
140
Ordering
Processor
Cards,
Activations,
Editions,
© 2014 International Business Machines Corporation
141
Processor DCM Feature Codes
Number
Sockets
Processor
DCM
Processor
DCM
S814
S824
S822
S812L
S822L
8286-41A
8286-42A
8284-22A
8247-21L
8247-22L
1S
2S
(Opt 1S)
2S
(Opt 1S)
1S
2S
#EPX0
6-core
3.02 GHz
One or Two One or Two
One #ELPD Two #ELPD
#EPXE
#EPX1
10-core
10-core
6-core
6-core
3.42 GHz
3.42 GHz
3.89 GHz
3.89 GHz
#EPX6
8-core
3.72 GHz
One or Two One or Two
One #ELP3 Two #ELP4
#EPXF
#EPXD
12-core
12-core
8-core
10-core
3.02 GHz
3.02 GHz
4.15 GHz
3.42 GHz
Processor
DCM
© 2014 International Business Machines Corporation
Two
#EPXH
12-core
3.52 GHz
142
Processor Activation Features
Processor DCM
Charge activate
No-charge activate
Processor DCM
Charge activate
No-charge activate
S814
S824
S822
S812L
S822L
8286-41A
8286-42A
8284-22A
8247-21L
8247-22L
#EPX0
6c 3.02 GHz
#EPXE
6c 3.89 GHz
#EPY0
#EPZ0
#EPYE
-
#EPX6
8c 3.72 GHZ
#EPY6
#EPZ6
Processor DCM
Charge activate
No-charge activate
#EPX1
#ELPD
#ELPD
6c 3.89 GHz 10c 3.42 GHz 10c 3.42 GHz
#EPY1
-
-#ELAD
-#ELAD
#EPXF
#EPXD
#ELP3
#ELP4
8c 4.15 GHz 10c 3.42 GHz 12c 3.02 GHz 12c 3.02 GHz
#EPYF
-
#EPYD
-
-#ELA3
-#ELA4
#EPXH
12c 3.52 GHz
#EPYH
-
100% of processor cores are activated.
No-charge activations used with IBM i solution editions or with Linux-only models
#2319 factory deconfiguration is supported.
© 2014 International Business Machines Corporation
143
POWER8
Memory
© 2014 International Business Machines Corporation
150
Memory slots & Memory DIMMs
4U
Max number DIMMs
Min number DIMMs
Max GB memory
•
•
•
•
•
2U
1S 4U
8
2S 4U
16
1S 2U
8
2S 2U
16
1
2
1
2
512GB
1TB
512GB
1TB
Memory DIMMs are all DDR3 1.6GHz
Memory is not hot plug
1 memory feature = 1 DIMM
Memory plugged in pairs – 1S exception
2U & 4U server memory physically packaged differently
Memory
DIMMs
16 GB
32 GB
64 GB
Activations: all memory 100% activated. CoD/CUoD not implemented.
© 2014 International Business Machines Corporation
151
POWER8 Memory: Eight Slots per DCM
Memory slot
Memory slot
Memory slot
Memory slot
POWER8
DCM
Memory slot
Memory slot
Memory slot
Memory slot
© 2014 International Business Machines Corporation
152
PCIe Slots
© 2014 International Business Machines Corporation
158
PCIe Slots - High Level
4U
Total PCIe slots
(all hot swap)
Required* LAN adapter
(available for client use)
PCIe slots after required*
LAN adapter
However if use high
performance, expanded
function backplane
PCIe slots after required*
LAN and if using high
performance backplane
1S 4U
2S 4U
2U
1S 2U
7
11
6
9
1
1
1
1
6
10
5
8
-1
-1
-1
-1
5
9
4
7
(no IBM i)
2S 2U
* required for IBM Manufacturing
• PCIe slots are all Gen3 slots
• 2U are all low profile and 4U are all full high
• There is no PCI expansion drawer announced. There is an SOD.
© 2014 International Business Machines Corporation
159
PCIe Slots - More Detail -- x8 and x16
4U
2U
S822L
S822
S814
S824
S824
S812L
8286-41A
8286-42A
8286-42A
8247-21L
1S
Only 1S in
2S box
2S
1S
8284-22A
Only 1S in
2S box
Total PCIe slots
x16
x8
7
2 x16
5 x8
7
2 x16
5 x8
11
4 x16
7 x8
6
2 x16
4 x8
6
2 x16
4 x8
9
4 x16
5 x8
Required LAN adapter
(available for client use)
1 x8
1 x8
1 x8
1 x8
1 x8
1 x8
PCIe slots after
required LAN adapter
6
2 x16
4 x8
6
2 x16
4 x8
10
4 x16
6 x8
5
2 x16
3 x8
5
2 x16
3 x8
8
4 x16
4 x8
However if use high
performance, expanded
function backplane
-1 x8
-1 x8
-1 x8
-1 x8
-1 x8
-1 x8
PCIe slots after required
LAN and if using high
performance backplane
5
2 x16
3 x8
5
2 x16
3 x8
9
4 x16
5 x8
4
2 x16
2 x8
4
2 x16
2 x8
7
4 x16
3 x8
S822
8247-22L
8284-22A
2S
• PCIe slots are all Gen3 slots (Higher MHz used than Gen2 = 2x theoretical bandwidth)
• Some slots are x16 and some are x8. (x16 have 2x theoretical bandwidth)
• In 2014 can ignore which slots are x8 and which are x16 for most adapters … see more detail
© 2014 International Business Machines Corporation
160
PCIe Slots - Way More Detail
4U
Slot identifier
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
x8
x16
x8
x16
x16
x16
x8
x8
x8
x8
x8
Total PCIe slots
2U
S822L
S822
S814
S824
S824
8286-41A
8286-42A
8286-42A
1S
Only 1S in 2S
box
2S
1S
n/a
n/a
n/a
n/a
Y
Y
Y
Y
Y *
Y
Y **
n/a
n/a
n/a
n/a
Y
Y
Y
Y
Y *
Y
Y **
Y
Y
Y
Y
Y
Y
Y
Y
Y *
Y
Y **
n/a
n/a
n/a
n/a
Y
Y
n/a
Y ***
Y *
Y
Y
n/a
n/a
n/a
n/a
Y
Y
n/a
Y ***
Y *
Y
Y
Y
Y
n/a
Y
Y
Y
n/a
Y ***
Y *
Y
Y
7
7
11
6
6
9
S812L
8284-21L
S822
8284-22A
Only 1S in 2S
box
8247-22L
8284-22A
2S
* C10 is where IBM manufacturing places the 4-port Ethernet card.
** Slot not usable by PCIe adapter with expanded function, dual-IOA backplane -- space taken by SAS ports & cabling
*** Slot not usable by PCIe adapter with expanded function, dual-IOA backplane – space taken by power protection for write cache
© 2014 International Business Machines Corporation
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PCIe Slots - Way, Way More Detail
4U
Slot identifier
C2
x8
C3
x16
C4
x8
C5
x16
C6
x16
C7
x16
C8
x8
C9
x8
C10
x8
C11
x8
C12
x8
Total PCIe slots
2U
S822
S822L
S822
8284-22A
8247-22L
8284-22A
1S
Only 1S in 2S box
2S
direct
direct
direct
direct
direct
direct
PEX
PEX
PEX *
PEX
PEX **
n/a
n/a
n/a
n/a
direct
direct
n/a
PEX ***
PEX *
PEX
PEX
n/a
n/a
n/a
n/a
direct
direct
n/a
PEX ***
PEX *
PEX
PEX
direct
direct
n/a
direct
direct
direct
n/a
PEX ***
PEX *
PEX
PEX
11
6
6
9
S814
S824
S824
S812L
8286-41A
8286-42A
8286-42A
8247-21L
1S
Only 1S in 2S box
2S
n/a
n/a
n/a
n/a
direct
direct
PEX
PEX
PEX *
PEX
PEX **
n/a
n/a
n/a
n/a
direct
direct
PEX
PEX
PEX *
PEX
PEX **
7
7
Direct --- straight to processor DCM, not shared bandwidth
PEX --- shared bandwidth - PLX PEX8748 Switch – two PEX sets per system indicated by boxes
Note, internal SAS controllers for system unit SAS bays & DVD attach to PEX – one controller per PEX
Comment – compared to POWER7+ 710-740 with this is much better. There are no 7xx direct slots and PCIe slots
share bandwith over GX++ and P7IOC I/O Controller Hub. POWER8 architecture has fewer PCI slots sharing and
much bigger bandwidth to start with.
* C10 is where IBM manufacturing places the 4-port Ethernet card.
** Slot not usable by PCIe adapter with high function, dual-IOA backplane -- space taken by SAS ports & cabling
*** Slot not usable by PCIe adapter with high function, dual-IOA backplane – space taken by power protection for write cache
© 2014 International Business Machines Corporation
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PCIe x16 and x8 Slot Usage Considerations
For most cards it doesn’t matter which slot used (read all chart)
 All low profile slots in 2U box, all full-high slots in 4U box
 All slots are Gen3
 Bandwidth is so big on the Gen3 x8 there is no significant difference
where the x16 will noticeably make a difference with existing adapters.
No x16 cards announced as of Apr 2014.
It does matter for these specific cards
 SOD future CAPI cards -- must use the x16
 2-port 40Gb Ethernet and IB cards …. Nice to put on x16 … helps DMA
capability (more TCEs)
 These older adapters* only supported in the x16 slots
#5901/#5278(LP)/#EL10(LP) PCIe Dual-x4 SAS Adapter
#5287(LP)/#5288 PCIe2 2-port 10GbE SR Adapter
* Why these adapters: This is an idiosyncrasy of their then-existing standards interpretation/implementation as applied to today’s more
“evolved/revised” PCIe standards
© 2014 International Business Machines Corporation
163
PCIe Special Placement Considerations
A few adapters have special placement needs
 IBM manufacturing will place an Ethernet adapter in C10 slot.
 These adapters need to be in specific slots: slots C6, C7, C11
on any 1-socket or 2-socket server or also in 2-socket servers
slots C2, C3, C5 or also in 2S4U server C4 slot (nonPEX)
 #2893, 2894 PCIe 2-Line WAN w/Modem Adapter
 #5269, 5748 PCIe POWER GXT145 Graphics Accelerator
 #EN13, EN14 PCIe Bisync Adapter
 These adapters need to be in x16 PCIe slots
 #5901/#5278/EL10 PCIe Dual-x4 SAS Adapter
 #5287(LP)/#5288 PCIe2 2-port 10GbE SR Adapter
 #EJ12(FH)/#EJ13(LP) PCIe3 FPGA Adapter
© 2014 International Business Machines Corporation
164
POWER8 PCIe Adapter Migration
POWER7-supported PCIe adapters supported on POWER8
 Initial GA:
robust list
 Modest set of PCIe adapters not supported on POWER8
Scale-out Servers -- mostly elderly or low volume
Remember, No PCI-X adapters on POWER8
 This means no SCSI
 For IBM i, means no IOPs (no SDLC)
© 2014 International Business Machines Corporation
165
Robust List PCIe Adapters Supported (page 1)
Ethernet NIC
Ethernet NIC
Ethernet NIC & FCoE (CNA)
Ethernet NIC
Ethernet NIC
Ethernet NIC & RoCE
Ethernet NIC
Ethernet NIC
Ethernet NIC
Ethernet NIC & OpenOnload
Ethernet NIC & RoCE
4-port 1GbE
RJ45
2-port 10GbE
10GBase-T
RJ45
4-port 10GbE+1GbE SR+RJ45
4-port 10GbE+1GbE
SR optical
4-port 10GbE+1GbE
Copper twinax
2-port 10GbE
SR optical
2-port 10GbE
SR optical iSCSI TOE
2-port 10GbE
SR optical
1-port 10GbE LR optical (IBM i native)
2-port 10GbE
Copper twinax
2-port 40GbE
QSFP+
#5899, #5260
#EN0W, #EN0X, #EL3Z
#EN0H, #EN0J, #EL3B
#EN0S, #EN0T
#EN0U, #EN0V
#EC29, #EC30, #EL2Z
#5744, #5280
#5284, #5287, #EL2P
#5772
#EL39, #EC2J, #EC2G
#EC3A, #EC3B
Fibre Channel
Fibre Channel
Fibre Channel
Fibre Channel
2-port
4-port
4-port
2-port
#5735, #5273, #EL2N
#5729
#EN0Y
#EN0A, #EN0B
Communications
Communications
Communications
2-port Async RS232
1-port Bisync
(IBM i)
2-port Async/Bisync (support only) (IBM i)
© 2014 International Business Machines Corporation
8Gb
8Gb (FH)
8Gb (LP)
16Gb
NEW
NEW
NEW
NEW
#5289, #5290
#EN13, #EN14
#2893, #2894
166
Robust List PCIe Adapters Supported (page 2)
SAS RAID
SAS Tape/DVD
SAS RAID
SAS RAID/Tape/DVD
4-port no-cache PCIe3 for SSD/HDD
4-port tape/DVD PCIe3
4-port huge-cache PCIe3 for SSD/HDD
2-port no-cache PCIe1 for HDD
#EJ0J, #EJ0M, #EL3B
#EJ10, #EJ11, #EL60
#EJ0L
#5901, #5278, #EL10
Infiniband (IB)
2-port QDR IB
#5285, #5283
Graphics
Graphics
2D graphics for general use
3D graphics for RHEL7 (RHEL7 in beta )
#5748, #5269
#EC42, #EC41
Encryption
Crypto Coprocessor 4765-001
#4807
USB
4-port USB-3
#EC45, #EC46
Programmable FPGA
PCIe3 FPGA Accelerator
#EJ12, #EJ13
© 2014 International Business Machines Corporation
SR optical
NEW
New soon*
NEW
NEW
167
PCIe Adapters NOT Supported: April 2014
Ethernet NIC
Ethernet NIC
Ethernet NIC
Ethernet NIC
Ethernet NIC & FCoE
Ethernet NIC & FCoE
Ethernet NIC
Ethernet NIC
Ethernet NIC
Ethernet NIC
Ethernet NIC & RoCE
Fibre Channel
Fibre Channel
Communications
SAS RAID
SAS RAID
SAS RAID
USB
SSD on PCIe card
Flash on card
2-port 1GbE
RJ45
2-port 1GbE
SX optical
4-port 1Gbe
RJ45
1-port 10GbE
SR optical
2-port 10GbE
SR optical
4-port 10GbE+1GbE Copper Twinax+RJ45
2-port 10GbE
copper twinax
1-port 10GbE
CX4
4-port 10GbE+1GbE Copper twinax+ RJ45
2-port 10GbE
Copper twinax
2-port 10GbE
Copper twinax
1-port 4Gb
2-port 4Gb
4-port Async RS232
2-port 380MB cache PCIe1 HDD/SSD
3-port large cache PCIe2 HDD/SSD
2-port zero cache PCIe2 SSD
4-port USB-2
4-slot 1.8-inch SSD on SAS adapter
Flash Adapter 90
© 2014 International Business Machines Corporation
#5767, #5281
#5768, #5274
#5717, #5271
#5769, #5275
#5708, #5270
#EN0K, #EN0L, #EL3C
#5288, #5286
#5732, #5272
#5745, #5279
#EL3A, #EC2K, #EC2H
#EC28, #EC27, #EL27
#5773
#5744, #5276, #EL09
#5785, #5277
#5805, #5903
#5913, #ESA3
#ESA1, #ESA2, #EL2K
#2728,
#2053, #2055, 2055
#ES09
Old, use 4-port
Old, use 4-port RJ45
Old, use newer
old
Use newer
Use SR optical
old
Old
Old
Use OpenOnload
Use SR optical
Old, use 8Gb
Old, use 8Gb
Old, use 2-port
Use PCIe3
Use PCIe3
Use PCIe3
Old, use USB-3
Use controller in
storage backplane
168
PCIe Adapters NOT Supported: April 2014
Ethernet NIC
Ethernet NIC
Ethernet NIC
Ethernet NIC
Ethernet NIC & FCoE
Ethernet NIC & FCoE
Ethernet NIC
Ethernet NIC
Ethernet NIC
Ethernet NIC
Ethernet NIC & RoCE
Fibre Channel
Fibre Channel
Communications
SAS RAID
SAS RAID
SAS RAID
USB
SSD on PCIe card
Flash on card
2-port 1GbE
RJ45
#5767, #5281
Old, use 4-port
2-port 1GbE
SX optical
#5768, #5274
Old, use 4-port RJ45
4-port 1Gbe
RJ45
#5717, #5271
Old, use newer
1-port 10GbE
SR optical
#5769, #5275
old
Important
comment – do not
assume
all of the
2-port 10GbE
SR optical
#5708,
#5270
Use newer
4-port 10GbE+1GbE
Copper Twinax+RJ45
#EN0K,
#EN0L,
#EL3C
adapters shown
on this list
as of
April
2014 Use
willSR optical
2-port 10GbE
copper
twinax
#5286 servers.
old If
never be
supported
on the#5288,
POWER8
1-port 10GbE
CX4 do assume many
#5732,
supported,
of#5272
these wouldOld
never
4-port 10GbE+1GbE
Copper twinax+
RJ45features
#5745, #5279
Old
be sold/ordered
as new
on a POWER8
2-port 10GbE
Copper
twinax
#EL3A, #EC2K,
#EC2H
OpenOnload
server, but
supported
if a client
already
had Use
a card.
2-port 10GbE
Copper twinax
#EC28, #EC27, #EL27
Use SR optical
1-port 4Gb
#5773
Old, use 8Gb
Do assume the ones with a
black star will probably
2-port 4Gb
#5744, #5276,
#EL09
Old, use 8Gb
never be supported. (preliminary
list)
4-port Async RS232
#5785, #5277
Old, use 2-port
2-port 380MB cache PCIe1 HDD/SSD
#5805, #5903
Use PCIe3
3-port large cache PCIe2 HDD/SSD
#5913, #ESA3
Use PCIe3
2-port zero cache PCIe2 SSD
#ESA1, #ESA2, #EL2K
Use PCIe3
4-port USB-2
#2728,
Old, use USB-3
4-slot 1.8-inch SSD on SAS adapter
#2053, #2055, 2055
Use controller in
storage backplane
Flash Adapter 90
#ES09
IBM Confidential until announced
© 2014 International Business Machines Corporation
169
PCIe Adapters NOT Supported: April 2014
Ethernet NIC
Ethernet NIC
Ethernet NIC
Ethernet NIC
Ethernet NIC & FCoE
Ethernet NIC & FCoE
Ethernet NIC
Ethernet NIC
Ethernet NIC
Ethernet NIC
Ethernet NIC & RoCE
Fibre Channel
Fibre Channel
Communications
SAS RAID
SAS RAID
SAS RAID
USB
SSD on PCIe card
Flash on card
2-port 1GbE
RJ45
2-port 1GbE
SX optical
4-port 1Gbe
RJ45
1-port 10GbE
SR optical
2-port 10GbE
SR optical
4-port 10GbE+1GbE Copper Twinax+RJ45
2-port 10GbE
copper twinax
1-port 10GbE
CX4
4-port 10GbE+1GbE Copper twinax+ RJ45
2-port 10GbE
Copper twinax
2-port 10GbE
Copper twinax
1-port 4Gb
2-port 4Gb
4-port Async RS232
2-port 380MB cache PCIe1 HDD/SSD
3-port large cache PCIe2 HDD/SSD
2-port zero cache PCIe2 SSD
4-port USB-2
4-slot 1.8-inch SSD on SAS adapter
Flash Adapter 90
© 2014 International Business Machines Corporation
#5767, #5281
#5768, #5274
#5717, #5271
#5769, #5275
#5708, #5270
#EN0K, #EN0L, #EL3C
#5288, #5286
#5732, #5272
#5745, #5279
#EL3A, #EC2K, #EC2H
#EC28, #EC27, #EL27
#5773
#5744, #5276, #EL09
#5785, #5277
#5805, #5903
#5913, #ESA3
#ESA1, #ESA2, #EL2K
#2728,
#2053, #2055, 2055
#ES09
Old, use 4-port
Old, use 4-port RJ45
Old, use newer
old
Use newer
Use SR optical
old
Old
Old
Use OpenOnload
Use SR optical
Old, use 8Gb
Old, use 8Gb
Old, use 2-port
Use PCIe3
Use PCIe3
Use PCIe3
Old, use USB-3
Use controller in
storage backplane
170
Storage
Backplanes
© 2014 International Business Machines Corporation
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4U Storage Backplane Options
Must select one 
#EJ0N
12 SFF SAS bays
1 SAS controller
No write cache
DVD bay
#EJ0N+EJ0S
6+6 SFF SAS bays
2 SAS controllers
No write cache
DVD bay
#EJ0P *
18 SFF SAS bays
Dual SAS controllers
7.2**GB cache
DVD bay
8-bay SSD cage***
External SAS ports
Note that no HH tape bay is provided – different than POWER7 720/740
AIX / IBM i / Linux
Easy Tier Function
JBOD
RAID 0
RAID 10
RAID 5/6
Split backplane
yes
no
yes
yes
yes
Yes
no
yes
no
yes
yes
Yes
Yes
yes
yes
yes
no
yes
yes
yes
no
* Uses one x8 PCIe slot (space taken up by #EJ0Z SAS ports/cabling – EJ0Z is mandatory with EJ0P)
** 1.8GB physical write cache provides up to 7.2GB effectively with compression
*** 8-bay 1.8-inch SSD cage #EJTM NOTE: Not available on mdl 41A, Required on mdl 42A with #EJ0P
© 2014 International Business Machines Corporation
175
2U Storage Backplane Options
Must select one 
#EJ0T
12 SFF SAS bays
1 SAS controller
No write cache
DVD bay
AIX / IBM i / Linux
Easy Tier Function
JBOD
RAID 0
RAID 10
RAID 5/6
Split backplane
Yes
no
Yes
Yes
Yes
Yes
no
#EJ0T+EJ0V
6+6 SFF SAS bays
2 SAS controllers
No write cache
DVD bay
Yes
no
yes
yes
Yes
Yes
Yes
#EJ0U *
8 SFF SAS bays
Dual SAS controllers
7.2**GB cache
DVD bay
6-bay SSD cage***
External SAS ports
Yes
Yes
no
yes
yes
yes
no
* Uses one x8 PCIe slot (space taken up by cache protection hardware)
** 1.8GB physical write cache provides up to 7.2GB effectively with compression
*** 6-bay 1.8-inch SSD cage #EJTL --- required with #EJ0U on 8S22
© 2014 International Business Machines Corporation
177
2U Storage Backplane Options
Must select one 
#EL3T
12 SFF SAS bays
1 SAS controller
No write cache
DVD bay
Easy Tier Function
JBOD
RAID 0
RAID 10
RAID 5/6
Split backplane
no
Yes
Yes
Yes
Yes
no
( Linux only)
#EL3T+EL3V
6+6 SFF SAS bays
2 SAS controllers
No write cache
DVD bay
no
yes
yes
Yes
Yes
Yes
#EL3U *
8 SFF SAS bays
Dual SAS controllers
7.2**GB cache
DVD bay
6-bay SSD cage***
External SAS ports
Yes
no
yes
yes
yes
no
* Uses one x8 PCIe slot (space taken up by cache protection hardware)
** 1.8GB physical write cache provides up to 7.2GB effectively with compression
*** 6-bay 1.8-inch SSD cage #EJTL -- required feature with #EL3U on 8S22L, but not
supported on 8S12L
© 2014 International Business Machines Corporation
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Easy Tier w/ Power SAS RAID
Easy
Tier
Tiers of Hot and Cold data
Adapter dynamically swaps data between SSD/HDD tiers
 Based on Read / Write statistics
 Hottest data moved to SSD
 Cool/Cold data moved to SFF
 1 MB or 2MB bands of data moved
Real-time updating (Seconds/minutes)
AIX and Linux Support
 IBM i requires VIOS to use (i alternatively has built in OS function)
Supports Boot and Hot Spares
Function also support with #EJ0L SAS adapter in POWER7+
and POWER8 server
Improves cost / performance tradeoff between HDDs/SSDs
© 2014 International Business Machines Corporation
180
Easy Tier® Function Configuration
Function available with expanded-function, high-performance backplane.
(#EJ0P, #EJ0U, #EL3U)
For AIX/Linux/VIOS




Easy
Tier
AIX V7.1 TL3 SP3 or later or AIX V6.1 TL9 SP3 or later
VIOS 2.2.3.3 or later
Linux: RHEL 6.5 or later and SLES 11 SP3 or later
IBM i essentially already has same hot/cold function in OS. Could also use function
via VIOS. Not natively supported by IBM i.
Configured as new RAID arrays:
 RAID-5T2 (2-tiered RAID-5), RAID-6T2 (2-tiered RAID-6), RAID-10T2 (2-tiered
RAID-10)
SSD located in SSF-3 bays and/or 1.8-inch SSD bays and/or EXP24S drawer
attached to the SAS ports
Must combine HDD/SSD in the same array
 HDD and SSD must be same block size … all 5xx or all 4k (No 4k SSD
announced, thus use 512/528 block size)
 Can use different capacity HDD and SSD
If multiple HDD capacities (example 300GB and 600GB) then only 300 GB of the 600GB drives will be
used
If multiple SSD capacities (example 387GB and 775GB) then only 387 GB of the 775GB drives will be
used
No capacity ignored in HDD or SSD if only one size capacity in HDD and one size capacity in SSD, for
example 387GB SSD and 600GB HDD.
© 2014 International Business Machines Corporation
181
SAS SFF-3 Options as of April 2014
SFF-3
HDD
Block
size
Formatted with 512 or
4096 byte sectors
Linux only with 512 or
4096 byte sectors
Formatted with 528 or
4224 byte sectors
10k
5xx
300 GB
#ESDR *
300 GB
#ELDR
283 GB
#ESDS *
10k
5xx
600 GB
#ESD5
600 GB
#ELD5
571 GB
#ESD4
10k
5xx
1.2 TB
#ESD9
1.2 TB
#ELD9
1.1 TB
15k
5xx
146 GB
#ESDT *
146 GB
#ELDT
139 GB
#ESDU *
15k
5xx
300 GB
#ESDB
300 GB
#ELDB
283 GB
#ESDA
#ESD8
15k
4k
300 GB
#ESFB
300 GB
#ELFB
283 GB
#ESFA
15k
4k
600 GB
#ESFF
600 GB
#ELFF
571 GB
#ESFE
* Staged eConfig support (27 May) and GA (25 July)
SFF-3 SSD
AIX/Linux/VIOS
(528 byte sectors)
Linux only
(528 byte sectors)
IBM i formatted
(528 byte sectors)
eMLC Gen3
387 GB
#ES0L
387 GB
#EL14
387 GB
#ES0M
eMLC Gen3
775 GB
#ES0N
775 GB
#EL13
775 GB
#ES0P
The above features use SFF-3 or Gen3 carriers/trays and can be placed in the
SFF SAS bays of the POWER8 servers
© 2014 International Business Machines Corporation
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512/528 (5xx) byte sectors vs 4k byte sectors
 Same performance based on early results and predictions
 Same price
 4k is something the industry will be moving to over the next 5-10
years. It allows for bigger capacity disk drives.
 Can mix 4K and 5xx byte sector drives on the same SAS
controller/adapter, but can NOT mix in the same array.
 Suggestion from a pessimist …. Don’t mix 300GB 4k and 5xx
block SFF-3 on the same server. Chance of confusion in the
future. “SFF-3” and “300GB” are key words in this statement.
 Same advice for EXP24S drawers …. Don’t mix 300GB 4k and
5xx block SFF-2 on the same server.
© 2014 International Business Machines Corporation
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SAS 1.8-Inch SSD for System Unit Cage
SSD
eMLC Gen3
AIX/Linux/VIOS
Linux only
IBM i formatted
(528 byte sectors)
387 GB #ES16
(528 byte sectors)
387 GB #ES46
(528 byte sectors)
387 GB #ES17
#ES16 and #ES17 are identical, but have different feature codes to help IBM config
tools properly configure the system.
The above features placed in the SSD cage which is ordered with the dual IOA
backplane feature on the 2U and the 2S4U server. The cage features are:
For 2U: …. 6-bay cage #EJTL (Linux only #EL0H)
For 4U S824 …. 8-bay cage #EJTM
Note: cage not supported on 2U 1-Socket or on 4U 1-Socket server
© 2014 International Business Machines Corporation
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SSD Price Performance Analysis
1.8-inch and 2.5-inch (SFF) priced the same
Performance very similar
Run off the same integrated, expanded-function SAS controller
Use which ever makes the most sense to configure to you –
little difference unless can use 775GB
SSD
USA list price
$ / GB
1.8-inch 387GB
#ES16/ES17
$ 3588
$9.27
SFF-3 387GB
#ES0L/ES0M
$ 3588
$9.27
SFF-3 775GB
#ES0N/ES0P
$ 6200
$8.00
Prices are USA list prices and are subject to change. Reseller prices may vary.
© 2014 International Business Machines Corporation
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EXP24S Ports with Expanded Function Backplane
Two SAS ports on rear of server with Expanded
Function backplane
Internal cabling connects ports to SAS
expanders/controllers in the server. No separate
feature code required to order internal cabling. 4U
server uses #EJ0Z for communicating SAS ports to
IBM Manufacturing. No feature code used for 2U
server.
Two YO cables (separately ordered) connect the two
SAS ports to the EXP24S drawer.
Drawer must be in mode 1
Drawer can hold up to 24 SSD or up to 24 HDD, but
SSD and HDD can not be mixed in the drawer
Expanded
Function
Backplane
18 SFF SAS bays
Dual SAS controllers
7.2**GB cache
RAID-0,1,5,6,10
DVD bay
8-bay SSD cage***
External SAS ports
Easy Tier function
Additional EXP24S drawers attached to SAS adapters in
PCIe slots
© 2014 International Business Machines Corporation
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Max number of EXP24S drawers & disk/SSD
4U
Max EXP24S supported
Total SFF-2 disk drives
supported in EXP24S
Total SFF-2 SSD drives
supported in EXP24S
2U
1S 4U
2S 4U
1S 2U
2S 2U
14
14
14
14
336
336
336
336
168
168
168
168
The above max calculated using SAS adapters which can attach up to 4 drawers per
adapter (#EJ0J/#EJ0M/#EL3B) and then reducing it in consideration of limitation of
SAS cables contained in cable management arm.
Max of 14 includes both EXP24S attached via PCIe adapters and/or SAS ports on the rear
of the server with expanded function backplane
EXP24S ordered with #5887 for mdl 22A, 41A, 42A; ordered as #EL1S for mdl 22L
© 2014 International Business Machines Corporation
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DVD Reminder
DVD support is like the Power 710/720/730/740
A SAS/SATA controller runs both DVD and HDD/SSD
This has sharing and virtualization considerations
This is not like POWER7+ 750/760/770/780 with a
separate controller for DVD
© 2014 International Business Machines Corporation
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Physical
Planning
© 2014 International Business Machines Corporation
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Physical Planning – Heat and Acoustic
See the IBM Site and Hardware Planning document at
http://www.ibm.com/support/knowledgecenter/POWER8/p8hd
x/POWER8welcome.htm
Note: As of 28 April, some testing/measuring still underway
which may cause some changes to the early physical
planning information shared in the announcement letters.
In general, POWER8 run slightly warmer than POWER7+
servers “per box”, yet provide significantly better performance.
POWER8 server acoustic properties are similar to POWER7+
servers. See next chart for adapters which can increase
noise levels (like POWER7+).
© 2014 International Business Machines Corporation
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Physical Planning – Tower Acoustic Considerations
S814 Tower considerations: The dB level of the tower meets
general business standards and can be installed in an open
business environment in addition to a machine room. It may
be perceived as noisy to some clients who wish to seat
people nearby.
Also note that some PCIe adapters draw more power and
require more cooling. The POWER8 server recognizes these
adapters and speeds up fans to provide this cooling (airflow).
Faster fans SIGNIFICANTLY increases the noise level. To
avoid potential acoustic situations, these adapters are only
supported in the S814 when it is in a rack configuration.
Adapters as of April 2014 requiring more cooling:
 PCIe3 SAS adapters (#EJ0J, #EJ0M, #EL3B, #EJ0L)
 PCIe2 SAS adapters (#ESA1, #ESA2, #ESA3, and #5913)
Note .. Initial eConfig logic misses this tower limitation
© 2014 International Business Machines Corporation
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HMC
© 2014 International Business Machines Corporation
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Performance Monitoring – Metrics & Dashboard
Performance metric indicators & utilization dashboard
 Processor, memory & I/O
Server & LPAR level information
Basic trend data collection and visualization
 Identify bottlenecks
 Early problem detection
REST based API to access:
 All platform (PHYP & VIOS) metrics for Tivoli
 Third Party tools
2
1
6
© 2014 International Business Machines Corporation
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Performance Monitoring – Server Overview
© 2014 International Business Machines Corporation
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Performance Monitoring – Processor Utilization
2
1
8
© 2014 International Business Machines Corporation
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Power Systems Management Requirements
Minimum Requirement:
HMC FW
V8.R1.0 or Later
HMC HW
7042-CR5 / 7042-C08 or Later
HMC Memory
Power HW
PowerVM/VIOS
© 2014 International Business Machines Corporation
2GB or More
POWER6 and Later
V2.2.3
219
New I/O
28 April
© 2014 International Business Machines Corporation
220
PCIe3 SAS Tape/DVD Adapter
LTO-5/LTO-6 SAS tape adapter
DVD adapter
#EJ10 (FH) / #EJ11 (LP)
#EL60 (LP) Linux
Supports full bandwidth of LTO-5/LTO-6
Supports DVD attachment
PCIe Gen3 adapter
Up to about 1.6 GB/sec transfer adapter
4 SAS ports (max about 1.6 GB/sec per port)
CCIN 57B4
 6 Gbps ports
Other SAS tape drives not supported
Physically is same card as #EJ0M/EL0J, but has different
feat code to help IBM config tools like eConfig understand
card’s use and appropriate cabling. eConfig does not know how
to swap usage to disk/SSD. Use no-charge RPQ to adjust IBM feature
records for any “re-purposing”.
© 2014 International Business Machines Corporation
Tape adapter always configured
as single card and NOT
optionally paired like disk/SSD
SAS controllers
Attaching both disk/ssd &
attaching tape/dvd to the same
adapter NOT supported
228
PCIe3 #EJ10/EJ11/#EL60 Adapter Support
Models
S812L
S822L
S822
S814
S824
POWER7 Models
PowerLinux 7R1
PowerLinux 7R2
PowerLinux 7R4
Power 710
Power 720
Power 730
Power 740
Power 750
Power 760
Power 770
Power 780
Power 795
Power ESE
© 2014 International Business Machines Corporation
Yes
Yes
Yes
Yes
Yes
“B” models
No
No
No
No
No
No
No
Yes
-
“C/” models
No
No
No
No
No
No
Yes
Yes
-
“D/T” models
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
229
PCIe3 vs PCIe1 SAS Tape Adapters
PCIe card technology
SAS ports – quantity per card
SAS ports – Gb/sec (per port)
Max tape drives per card
Max sustained GB per card
SAS/SATA DVD supported
LTO-2, LTO-3 (SCSI vs SAS)
LTO-4
LTO-5, LTO-6
DAT160
Attach disk and tape on the
same card at the same time
If POWER8, placed only in x16
slot
Feat code if re-purpose to disk
USA List price on Power 720
#5901/5278
PCIe Gen1
2
3Gb
2
1.6 GB
Y
N
Y
Y, but max
#EJ10/EJ11/EL60
PCIe Gen 3
4
6Gb
8
1.6 GB
N
N
N
Y, with full bandwidth
bandwidth limited by
SAS port
of the SAS port
Y
Not supported
N
Not supported
Yes – not in PCIe Place in any PCIe
x8
slot
#5901/5278
#EJ0J/EJ0M/EL3
B
$749
$1,000
Prices shown are suggested USA IBM list prices and are subject to change without notice; reseller prices may vary
© 2014 International Business Machines Corporation
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PCIe3 SAS Tape Adapter Cabling
SAS Mini-HD Narrow YE1 or AE1 cables
 AE1 (#ECBY) is 4 meter long
 YE1 (#ECBZ) is 3 meter long
Up to one cable per port,
Max four cables per adapter
CCIN 57B4
One tape drive per AE1 cable
 Thus max 4 tape drives per card
Up to two tapes per YE1 cable
 Thus max 8 tape drives per card
Same SAS cables can also be ordered as feature
codes of the 7226-1U3 Removable Media Drawer
 AE1 is #5507 or #9850
 YE1 is #5509
© 2014 International Business Machines Corporation
Tape adapter always configured
as single card and NOT
optionally paired like disk/SSD
SAS controllers
Attaching both disk & tape to the
same adapter NOT supported
231
SOD for PCIe3 Expansion Drawers
IBM Confidential
The following information is not publically announced
and is shared only for sales planning purposes. If
sharing with clients, it needs to be under non-disclosure
 S8xx PCIe drawer is not planned for 2014 announce
 A drawer will connect to server using two x16 PCIe slots
© 2014 International Business Machines Corporation
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New I/O
8 April
© 2014 International Business Machines Corporation
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PCIe3 SAS Adapter Support – Huge Cache #EJ0L
8 April 2014 announcement
Models
PowerLinux 7R1
PowerLinux 7R2
PowerLinux 7R4
Power 710
Power 720
Power 730
Power 740
Power 750
Power 760
Power 770
Power 780
Power 795
Power ESE
“B” models
“C” models
n/a *
No
No
No
No
No
No
n/a *
No
n/a *
No
No
No
-
Y
© 2014 International Business Machines Corporation
Apr 2014
Apr 2014
n/a *
Apr 2014
Apr 2014
Apr 2014
Apr 2014
Apr 2014
Apr 2014
Apr 2014
Apr 2014
Apr 2014
-
-
Jan 2014
*
236
“D/T”
models
n/a *
#EJ0L
Apr 2014
physically impossible, no full high PCIe Slots
236
Newer SAS + VIOS + IBM i Performance Boost
Requires latest fimware (7.8 or later) … Scale-out Servers,
Power 795 and Power 770/780 (C/D models)
Previously very careful about write workloads
Now disk performance meeting expectations
 HDD+#xxxx+VIOS+ IBM i : Significant boost *
As you would expect, native performance will outperform virtualized
configurations, but is now expected to be similar performance to
HDD+#xxx+IBM i+IBM i virtualization
 SSD+xxxx+VIOS +IBM i : Modest improvement *
Continue to be careful about write workloads
 Xxxx = #5913, #ESA3, #EJ0L, EJ0J
Architectural performance boost *
 Enhancement implemented across VIOS, IBM i, SAS adapter &
firmware
 Applies to all PCIe2 SAS adapters
Space efficiency bonus
 up to 10% more usable storage for IBM i
* requires IBM i TR7 + VIOS 2.2.3.0 + properly formatted drives + latest firmware
© 2014 International Business Machines Corporation
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SR-IOV
© 2014 International Business Machines Corporation
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SR-IOV Config Details
LPAR #1
LPAR #2
LPAR #3
• For Ethernet NIC protocols
• For POWER7+ 770/780 (“D” models) wor Power ESE with latest firmware 7.8
• For specific hardware with SR-IOV capable electronics
• Gen2 or later Adapters in PCIe Gen2 or later slot
• #EN0H PCIe2 4-port (10Gb FCoE & 1GbE) SR&RJ4
• #EN0K PCIe2 4-port (10Gb FCoE & 1GbE) Copper&RJ4
•
•
•
•
• Integrated Multifunction Cards (IMFC): #EN10 or #EN11
All four Ethernet ports of the above adapter/IMFC are SR-IOV resource if
configured. However can dedicate a port to one partition/VIOS if desired.
Software prerequisite
• AIX 7.1 TL3 SP2, or later
• AIX 6.1 TL9 SP2, or later
• IBM i 7.1 with TR8, or later
• SUSE Linux Enterprise Server 11 SP3
• Red Hat Enterprise Linux 6.5
• VIOS 2.2.3.2, or later
IBM Manufacturing does not have SR-IOV customization capability at this
time. The client will need to configure hardware as SR-IOV if desired.
HMC is required
© 2014 International Business Machines Corporation
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Thanks !
© 2014 International Business Machines Corporation
252
Special notices
This document was developed for IBM offerings in the United States as of the date of publication. IBM may not make these offerings available in
other countries, and the information is subject to change without notice. Consult your local IBM business contact for information on the IBM
offerings available in your area.
Information in this document concerning non-IBM products was obtained from the suppliers of these products or other public sources.
Questions on the capabilities of non-IBM products should be addressed to the suppliers of those products.
IBM may have patents or pending patent applications covering subject matter in this document. The furnishing of this document does not give
you any license to these patents. Send license inquires, in writing, to IBM Director of Licensing, IBM Corporation, New Castle Drive, Armonk,
NY 10504-1785 USA.
All statements regarding IBM future direction and intent are subject to change or withdrawal without notice, and represent goals and objectives
only.
The information contained in this document has not been submitted to any formal IBM test and is provided "AS IS" with no warranties or
guarantees either expressed or implied.
All examples cited or described in this document are presented as illustrations of the manner in which some IBM products can be used and the
results that may be achieved. Actual environmental costs and performance characteristics will vary depending on individual client configurations
and conditions.
IBM Global Financing offerings are provided through IBM Credit Corporation in the United States and other IBM subsidiaries and divisions
worldwide to qualified commercial and government clients. Rates are based on a client's credit rating, financing terms, offering type, equipment
type and options, and may vary by country. Other restrictions may apply. Rates and offerings are subject to change, extension or withdrawal
without notice.
IBM is not responsible for printing errors in this document that result in pricing or information inaccuracies.
All prices shown are IBM's United States suggested list prices and are subject to change without notice; reseller prices may vary.
IBM hardware products are manufactured from new parts, or new and serviceable used parts. Regardless, our warranty terms apply.
Any performance data contained in this document was determined in a controlled environment. Actual results may vary significantly and are
dependent on many factors including system hardware configuration and software design and configuration. Some measurements quoted in
this document may have been made on development-level systems. There is no guarantee these measurements will be the same on generallyavailable systems. Some measurements quoted in this document may have been estimated through extrapolation. Users of this document
should verify the applicable data for their specific environment.
© 2014 International Business Machines Corporation
253
Special notices (cont.)
IBM, the IBM logo, ibm.com AIX, AIX (logo), AIX 6 (logo), AS/400, BladeCenter, Blue Gene, ClusterProven, DB2, ESCON, i5/OS, i5/OS (logo), IBM Business Partner
(logo), IntelliStation, LoadLeveler, Lotus, Lotus Notes, Notes, Operating System/400, OS/400, PartnerLink, PartnerWorld, PowerPC, pSeries, Rational, RISC
System/6000, RS/6000, THINK, Tivoli, Tivoli (logo), Tivoli Management Environment, WebSphere, xSeries, z/OS, zSeries, AIX 5L, Chiphopper, Chipkill, Cloudscape,
DB2 Universal Database, DS4000, DS6000, DS8000, EnergyScale, Enterprise Workload Manager, General Purpose File System, , GPFS, HACMP, HACMP/6000,
HASM, IBM Systems Director Active Energy Manager, iSeries, Micro-Partitioning, POWER, PowerExecutive, PowerVM, PowerVM (logo), PowerHA, Power Architecture,
Power Everywhere, Power Family, POWER Hypervisor, Power Systems, Power Systems (logo), Power Systems Software, Power Systems Software (logo), POWER2,
POWER3, POWER4, POWER4+, POWER5, POWER5+, POWER6, POWER6+, System i, System p, System p5, System Storage, System z, Tivoli Enterprise, TME 10,
Workload Partitions Manager and X-Architecture are trademarks or registered trademarks of International Business Machines Corporation in the United States, other
countries, or both. If these and other IBM trademarked terms are marked on their first occurrence in this information with a trademark symbol (® or ™), these symbols
indicate U.S. registered or common law trademarks owned by IBM at the time this information was published. Such trademarks may also be registered or common law
trademarks in other countries. A current list of IBM trademarks is available on the Web at "Copyright and trademark information" at www.ibm.com/legal/copytrade.shtml
The Power Architecture and Power.org wordmarks and the Power and Power.org logos and related marks are trademarks and service marks licensed by Power.org.
UNIX is a registered trademark of The Open Group in the United States, other countries or both.
Linux is a registered trademark of Linus Torvalds in the United States, other countries or both.
Microsoft, Windows and the Windows logo are registered trademarks of Microsoft Corporation in the United States, other countries or both.
Intel, Itanium, Pentium are registered trademarks and Xeon is a trademark of Intel Corporation or its subsidiaries in the United States, other countries or both.
AMD Opteron is a trademark of Advanced Micro Devices, Inc.
Java and all Java-based trademarks and logos are trademarks of Sun Microsystems, Inc. in the United States, other countries or both.
TPC-C and TPC-H are trademarks of the Transaction Performance Processing Council (TPPC).
SPECint, SPECfp, SPECjbb, SPECweb, SPECjAppServer, SPEC OMP, SPECviewperf, SPECapc, SPEChpc, SPECjvm, SPECmail, SPECimap and SPECsfs are
trademarks of the Standard Performance Evaluation Corp (SPEC).
NetBench is a registered trademark of Ziff Davis Media in the United States, other countries or both.
AltiVec is a trademark of Freescale Semiconductor, Inc.
Cell Broadband Engine is a trademark of Sony Computer Entertainment Inc.
InfiniBand, InfiniBand Trade Association and the InfiniBand design marks are trademarks and/or service marks of the InfiniBand Trade Association.
Other company, product and service names may be trademarks or service marks of others.
© 2014 International Business Machines Corporation
254
Notes on benchmarks and values
The IBM benchmarks results shown herein were derived using particular, well configured, development-level and generally-available computer systems. Buyers should
consult other sources of information to evaluate the performance of systems they are considering buying and should consider conducting application oriented testing. For
additional information about the benchmarks, values and systems tested, contact your local IBM office or IBM authorized reseller or access the Web site of the benchmark
consortium or benchmark vendor.
IBM benchmark results can be found in the IBM Power Systems Performance Report at http://www.ibm.com/systems/p/hardware/system_perf.html.
All performance measurements were made with AIX or AIX 5L operating systems unless otherwise indicated to have used Linux. For new and upgraded systems, AIX
Version 4.3, AIX 5L or AIX 6 were used. All other systems used previous versions of AIX. The SPEC CPU2006, SPEC2000, LINPACK, and Technical Computing
benchmarks were compiled using IBM's high performance C, C++, and FORTRAN compilers for AIX 5L and Linux. For new and upgraded systems, the latest versions of
these compilers were used: XL C Enterprise Edition V7.0 for AIX, XL C/C++ Enterprise Edition V7.0 for AIX, XL FORTRAN Enterprise Edition V9.1 for AIX, XL C/C++
Advanced Edition V7.0 for Linux, and XL FORTRAN Advanced Edition V9.1 for Linux. The SPEC CPU95 (retired in 2000) tests used preprocessors, KAP 3.2 for
FORTRAN and KAP/C 1.4.2 from Kuck & Associates and VAST-2 v4.01X8 from Pacific-Sierra Research. The preprocessors were purchased separately from these
vendors. Other software packages like IBM ESSL for AIX, MASS for AIX and Kazushige Goto’s BLAS Library for Linux were also used in some benchmarks.
For a definition/explanation of each benchmark and the full list of detailed results, visit the Web site of the benchmark consortium or benchmark vendor.
TPC
http://www.tpc.org
SPEC
http://www.spec.org
LINPACK
http://www.netlib.org/benchmark/performance.pdf
Pro/E
http://www.proe.com
GPC
http://www.spec.org/gpc
NotesBench
http://www.notesbench.org
VolanoMark
http://www.volano.com
STREAM
http://www.cs.virginia.edu/stream/
SAP
http://www.sap.com/benchmark/
Oracle Applications
http://www.oracle.com/apps_benchmark/
PeopleSoft - To get information on PeopleSoft benchmarks, contact PeopleSoft directly
Siebel
http://www.siebel.com/crm/performance_benchmark/index.shtm
Baan
http://www.ssaglobal.com
Microsoft Exchange
http://www.microsoft.com/exchange/evaluation/performance/default.asp
Veritest
http://www.veritest.com/clients/reports
Fluent
http://www.fluent.com/software/fluent/index.htm
TOP500 Supercomputers
http://www.top500.org/
Ideas International
http://www.ideasinternational.com/benchmark/bench.html
Storage Performance Council http://www.storageperformance.org/results
© 2014 International Business Machines Corporation
Revised January 15, 2008
255
Notes on HPC benchmarks and values
The IBM benchmarks results shown herein were derived using particular, well configured, development-level and generally-available computer systems. Buyers should
consult other sources of information to evaluate the performance of systems they are considering buying and should consider conducting application oriented testing. For
additional information about the benchmarks, values and systems tested, contact your local IBM office or IBM authorized reseller or access the Web site of the benchmark
consortium or benchmark vendor.
IBM benchmark results can be found in the IBM Power Systems Performance Report at http://www.ibm.com/systems/p/hardware/system_perf.html.
All performance measurements were made with AIX or AIX 5L operating systems unless otherwise indicated to have used Linux. For new and upgraded systems, AIX
Version 4.3 or AIX 5L were used. All other systems used previous versions of AIX. The SPEC CPU2000, LINPACK, and Technical Computing benchmarks were compiled
using IBM's high performance C, C++, and FORTRAN compilers for AIX 5L and Linux. For new and upgraded systems, the latest versions of these compilers were used:
XL C Enterprise Edition V7.0 for AIX, XL C/C++ Enterprise Edition V7.0 for AIX, XL FORTRAN Enterprise Edition V9.1 for AIX, XL C/C++ Advanced Edition V7.0 for Linux,
and XL FORTRAN Advanced Edition V9.1 for Linux. The SPEC CPU95 (retired in 2000) tests used preprocessors, KAP 3.2 for FORTRAN and KAP/C 1.4.2 from Kuck &
Associates and VAST-2 v4.01X8 from Pacific-Sierra Research. The preprocessors were purchased separately from these vendors. Other software packages like IBM
ESSL for AIX, MASS for AIX and Kazushige Goto’s BLAS Library for Linux were also used in some benchmarks.
For a definition/explanation of each benchmark and the full list of detailed results, visit the Web site of the benchmark consortium or benchmark vendor.
SPEC
http://www.spec.org
LINPACK
http://www.netlib.org/benchmark/performance.pdf
Pro/E
http://www.proe.com
GPC
http://www.spec.org/gpc
STREAM
http://www.cs.virginia.edu/stream/
Veritest
http://www.veritest.com/clients/reports
Fluent
http://www.fluent.com/software/fluent/index.htm
TOP500 Supercomputers
http://www.top500.org/
AMBER
http://amber.scripps.edu/
FLUENT
http://www.fluent.com/software/fluent/fl5bench/index.htm
GAMESS
http://www.msg.chem.iastate.edu/gamess
GAUSSIAN
http://www.gaussian.com
ABAQUS
http://www.abaqus.com/support/sup_tech_notes64.html
select Abaqus v6.4 Performance Data
ANSYS
http://www.ansys.com/services/hardware_support/index.htm
select “Hardware Support Database”, then benchmarks.
ECLIPSE
http://www.sis.slb.com/content/software/simulation/index.asp?seg=geoquest&
MM5
http://www.mmm.ucar.edu/mm5/
MSC.NASTRAN
http://www.mscsoftware.com/support/prod%5Fsupport/nastran/performance/v04_sngl.cfm
STAR-CD
www.cd-adapco.com/products/STAR-CD/performance/320/index/html
NAMD
http://www.ks.uiuc.edu/Research/namd
HMMER
http://hmmer.janelia.org/
Revised January 15, 2008
http://powerdev.osuosl.org/project/hmmerAltivecGen2mod
© 2014 International Business Machines Corporation
256
Notes on performance estimates
rPerf for AIX
rPerf (Relative Performance) is an estimate of commercial processing performance relative to other IBM UNIX systems.
It is derived from an IBM analytical model which uses characteristics from IBM internal workloads, TPC and SPEC
benchmarks. The rPerf model is not intended to represent any specific public benchmark results and should not be
reasonably used in that way. The model simulates some of the system operations such as CPU, cache and memory.
However, the model does not simulate disk or network I/O operations.
rPerf estimates are calculated based on systems with the latest levels of AIX and other pertinent software at the time of
system announcement. Actual performance will vary based on application and configuration specifics. The IBM
eServer pSeries 640 is the baseline reference system and has a value of 1.0. Although rPerf may be used to
approximate relative IBM UNIX commercial processing performance, actual system performance may vary and is
dependent upon many factors including system hardware configuration and software design and configuration.
Variations in incremental system performance may be observed in commercial workloads due to changes in the
underlying system architecture.
All performance estimates are provided "AS IS" and no warranties or guarantees are expressed or implied by IBM.
Buyers should consult other sources of information, including system benchmarks, and application sizing guides to
evaluate the performance of a system they are considering buying. For additional information about rPerf, contact
your local IBM office or IBM authorized reseller.
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CPW for IBM i
Commercial Processing Workload (CPW) is a relative measure of performance of processors running the IBM i
operating system. Performance in customer environments may vary. The value is based on maximum
configurations. More performance information is available in the Performance Capabilities Reference at:
www.ibm.com/systems/i/solutions/perfmgmt/resource.html
Revised April 2, 2007
© 2014 International Business Machines Corporation
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