Specification Sheet
EMC CLARiiON DC Power CX3 Model 20
Networked Storage System
Specifications
RAID Levels
RAID 0: Data striped across three to 16 drives
RAID 1: Mirrored pairs of two drives
RAID 1/0: Data mirrored, then striped across four to 16 drives
RAID 3: Independent data access on five or nine drives (with dedicated parity disk)
RAID 5: Independent data access on three to 16 drives (with striped parity)
RAID 6: Dual parity distributed across four to 16 drives
Any combination of these RAID levels can exist on a single DC Power CX3 model 20
RAID stripe depth configurable to 4, 16, 64, 128, or 256 sectors per disk
MetaLUNs: Storage virtualization via online LUN expansion through either striping or concatenation
Configurable global hot spares
Rebuild priority tuning: adjustment of minimum I/O reserved for server use during rebuild
Front-End (Host) Connectivity
EMC® CLARiiON® DC Power CX3 systems
can be integral elements of a comprehensive information lifecycle management
strategy—a strategy that helps your
enterprise attain the maximum value
from its information, at the lowest TCO,
at every point in the information lifecycle.
Information lifecycle management maps
the right service level to the right application at the right cost—at the right time.
Two storage processors per DC Power CX3 model 20
CX3-20 DC Power
Six 4 Gb Fibre Channel optical ports
Each storage processor has
FCP SCSI-3 protocol
FC-AL and FC-SW support
Maximum Cable Length
Shortwave Optical: 100 meters (4 Gb),
300 meters (2 Gb), 500 meters (1 Gb)
Command tag queuing up to 256 tags
Back-End (Disk) Connectivity
Each storage processor has one 4 Gb Fibre Channel Arbitrated Loop. Multiple RAID groups may be distributed across redundant loops to
maximize bandwidth to disks. DC Power CX3 model 20 supports a maximum of 120 disk drives.
Drive Interface
Failover from each storage processor to both Fibre Channel loops is possible.
Nominal Capacity
73 GB
146 GB
300 GB
(10,000)
(10,000)
(10,000)
73 GB 4 Gb/s
(15,000)
146 GB 4 Gb/s
(15,000)
135 GB
272 GB
67.7 GB
135 GB
67.7 GB
Formatted Capacity*
(520 bytes/sector, 1 MB = 1,048,576 bytes)
Form Factor
3.5”
3.5”
3.5”
3.5”
3.5”
Height
1.0”
1.0”
1.0”
1.0”
1.0”
Rotational Speed
10,000 rpm
10,000 rpm
10,000 rpm
15,000 rpm
15,000 rpm
Interface
Fibre Channel
Fibre Channel
Fibre Channel
Fibre Channel
Fibre Channel
Data Buffer
16 MB
32 MB
32 MB
32 MB
32 MB
Transfer Rates
Buffer to/from Media
59–118 MB/s
59–118 MB/s
59–118 MB/s
max. 93 MB/s
max. 93 MB/s
200 MB/s
200 MB/s
400 MB/s
400 MB/s
SP to/from Buffer (max.) 200 MB/s
Access Time
4.7 ms Read
4.7 ms Read
4.7 ms Read
3.6 ms Read
3.7 ms Read
Average Seek
5.4 ms Write
4.1 ms Write
4.2 ms Write
5.4 ms Write
5.4 ms Write
Rotational Latency
3 ms
3 ms
3 ms
2 ms
2 ms
* Note: The FLARE® storage operating environment requires 33 GB of disk space on each of the first five drives.
300 GB 4 Gb/s
(15,000)
272 GB
3.5”
1.0”
15,000 rpm
Fibre Channel
16 MB
120–201 MB/s
400 MB/s
3.5 ms Read
4.0 ms Write
2 ms
Available Software*
SnapView™: point-in-time view of information for nondisruptive backup and clones
MirrorView™: remote synchronous replication for disaster protection
RecoverPoint/SE: remote asynchronous replication for disaster protection
Online Upgrade: online upgrades of storage software and FLARE operating system
Navisphere® Manager: complete configuration, management, and event notification
Navisphere Analyzer: comprehensive performance, management, and trends analysis
Navisphere Quality of Service Manager: application service-level monitoring and management
CLARalert™: constant system monitoring, call-home notification, and remote diagnostics
PowerPath®: path failover for continuous data access and dynamic load balancing
SAN Copy™: enables local or long distance data movement between various arrays (e.g., CLARiiON, Symmetrix®, HP StorageWorks)
VisualSAN®/VisualSRM™: data protection, shared storage access, SAN management
Replication Manager Family: manages the replication process (host and replication software) to integrate SnapView and MirrorView operations
VMware®: enables server consolidation with CLARiiON storage
* Consult your EMC account manager for availability, software configuration, and compatibility information.
System Memory
Two Storage Processors per DC Power CX3 model 20
2 GB of Memory per Storage Processor
Dimensions (approximate)
Rackmount Processor Chassis
Height
3.5 in. (8.9 cm), 2 EIA units
Width
18.92 in. (48.06 cm)
Depth
24.0 in. (60.96 cm)
Rackmount 4 Gb Fibre Channel Point-to-Point Disk Expansion Chassis
Width
Depth
Height
17.72 in (45.0 cm)
14.00 in. (35.56 cm)
5.25 in. (13.33 cm), 3 EIA units
Weight
52.5 lb. (23.8 kg) max.
Weight
68 lb. (30.9 kg) max. configuration
Power
Processor Chassis
4 Gb Fibre Channel Point-to-Point Disk
Expansion Chassis
DC Line Voltage
-36 to -72 Vdc (Nominal -48V or -60V power systems)
-36 to -72 Vdc (Nominal -48V or -60V power systems)
DC Line Current
7.4 A max. at -36 Vdc, 5.5 A typ. at -48 Vdc
11.8 A max. at -36 Vdc, 8.9 A typ. at -48 Vdc
Power Consumption
265 W max.
425 W max.
Heat Dissipation
0.95 x 106 J/hr, (905 Btu/hr) max.
1.53 x 106 J/hr, (1,450 Btu/hr) max.
Inrush Current
24 A peak, per requirements in EN300 132-2
Sect. 4.7 limit curve.
20 A peak, per requirements in EN300 132-2
Sect. 4.7 limit curve
DC Protection
10 A fuse on each power supply
20 A fuse on each power supply
DC Inlet Type
Positronic Industries PLA06M4B0A1-436.0
Positronic Industries PLB3W3M1000
Mating DC Connector Positronic Industries PLA06F7050/AA
Positronic Industries PLB3W3F7100A1
Ride-through Time
10 ms min. at -48 V input
10 ms min. at -48 V input
Current Sharing
60% max., 40% min., between power supplies
60% max., 40% min., between power supplies
Operating Environment
Operating Temperature*:
41 to 104°F (5 to 40°C) up to 8,000 ft. (2,440 m) altitude
Short-Term Operating Temperature**: 23 to 122°F (-5 to 55°C) up to 5,900 ft. (1,800 m) altitude
Temperature Gradient:
54°F/hr (30°C/hr)
Operating Relative Humidity:
5% to 85%
Short-Term Relative Humidity**:
5% to 90%, not to exceed 0.024 kg water/kg of dry air
Altitude
Operational Altitude: 10,000 feet above sea level
Transit Altitude: 25,000 feet above sea level
*Maximum operating temperature shall be de-rated 1.1 degree C/1,000 feet above 7,500 feet.
**Short-term refers to a period of not more than 96 consecutive hours and not more than 15 days in 1 year.
(This is a total of 360 hours maximum, and not more than 15 occurrences in any given year.)
Electromagnetic Emissions and Immunity
FCC Class A
EN55022 Class A
CE Mark
VCCI Class A (for Japan)
ICES-003 Class A (for Canada)
AS/NZS 3548 Class A (for Australia/New Zealand)
EN55024 Immunity, ITEBSMI
Class A (for Taiwan)
Quality and Safety Standards
UL 60950; CSAC 22.2-60950, FN 60950
NEBS Level 3 Certification
EMC Corporation
Hopkinton
Massachusetts
01748-9103
1-508-435-1000
In North America 1-866-464-7381
ETSI EN 300 386
Manufactured under an ISO 9000-registered quality system
EMC2, EMC, CLARiiON, FLARE, Navisphere,
Symmetrix, PowerPath, VisualSAN, and where
information lives are registered trademarks and
SAN Manager, CLARalert, SnapView, MirrorView,
and VisualSRM are trademarks of EMC Corporation.
VMware is a registered trademark of VMware, Inc.
Other trademarks are the property of their respective owners.
© Copyright 2007 EMC Corporation.
All rights reserved. Published in the USA. 07/07
Specification Sheet
H2577.1
www.EMC.com