ADVANCED SYSTEM DESIGNS
Confidential
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Technology People. Business Results.
Getting iReady for Power 7
Sept 9, 2010
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Greg Kyburz
gkyburz@asd.net
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ADVANCED SYSTEM DESIGNS
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Why Power 7?
• Better price/performance $/CPW
• Better Efficiency – Power/Cooling
• Better Hardware and Software Maintenance Costs
• Better space efficiency – More CPW / “U”
•Maintain an upgrade path for your system
•Move up to ‘i’ Incentive/User licensing incentives
•Service Vouchers
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Where to Start?
• OS Compatibility with Applications
• Hardware Compatibility
• Cost Factors – IO replacement, maintenance
• Financial Status of Machine
• Migration Effort / Downtime
• Performance
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OS Compatibility with Applications
• Power 7 requires 6.1.1 or 7.1
• May require Application upgrade prior to or after OS upgrade
•ANZOBJCVN to determine whether objects are observable
•http://www-912.ibm.com/a_dir/as4ptf.nsf/$$search?openform
•Search on ANZOBJCVN to find the latest for your release
• Can get assessment done by IBM or IBM BP
•Obtain latest ‘resave’ of target release
•http://www-947.ibm.com/systems/support/i/planning/resave/v7r1.html
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OS Compatibility
• OS Jumping
• 5.2 to 5.4 then to 6.1.1 or 7.1 (no anzobjcvn for 5.2)
• 5.3 to 6.1.1 then to 7.1
•5.4 to 7.1
• Could do reload and jump releases also /additional risk, time and $$
•Reference material for release upgrades/recovery etc.
•http://www01.ibm.com/support/docview.wss?rs=0&dc=DB520&dc=D900&dc=D800&dc=DA900&dc=DA800&q1=V5R4M5
+AND+AS400KBXXYYZZRCH&uid=nas1b6c5ed39e84670648625740f007c74e3&loc=en_US&cs=UTF8&lang=all
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OS Compatibility
• Release Upgrade Pre-Install Verification tool
• https://www14.software.ibm.com/webapp/iwm/web/reg/download.do?source=ipvt&S_PKG=dl3&lang=en_US
• GUI that will guide you through the upgrade planning and preparation process
• More Doc! Getting ready for 6.1.1 and beyond!
•http://www.redbooks.ibm.com/redpieces/abstracts/redp4293.html?Open
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Hardware Compatibility
• Power 7 requires 6.1.1 or 7.1
• May Require a server firmware update on current machine to go to
5.4 or beyond
•http://www912.ibm.com/s_dir/slkbase.NSF/c32447c09fb9a1f186256a6c00504227/23c4789ba6f5321886256fd300586b7f
?OpenDocument
• May require a HMC code update also
•http://www-912.ibm.com/s_dir/slkbase.NSF/DocNumber/408316083
• Partition considerations – all must be at 6.1.1 or above on P7
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Hardware Compatibility
• NO HSL adapters or HSL attached towers supported on P7
• May require I/O replacement
•What isn’t supported?
•http://www-03.ibm.com/systems/power/hardware/sod2.html
•
Common things not supported on P7
• IOPs, QIC tape drives, twinax, IOP based IOAs, SCSI 10k RPM
drives and drives 35Gb and smaller
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Hardware Compatibility
• P5-P6 upgrades supported through year end
• P6-P7 upgrades supported now
Link for all planning hw/software and release planning information
http://www-947.ibm.com/systems/support/i/planning/upgrade/futurehdwr.html#power7
• Not sure what code is required? Use the ‘prerequisite’ checker
•https://www-912.ibm.com/e_dir/eserverprereq.nsf
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Cost Factors
• May have to replace some/all of the current IO to go to P7
• Application Vendors may charge for SW on the new system based
upon CPW not P group
• Might need a new HMC
•OS Licensing and 5250 Requirement
• Disposal cost of old system
•Economic Sales Replacement tool /Consolidate multiple servers
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Financial Status of Machine
•Is the machine on lease?
•Operating vs. Capital
• Purchased?
• Fully depreciated?
• Lease sellback
•Diminimous
•If you need it you need it
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Migration/Downtime
• If you are on a P5 or below – and want to maintain some of your I/O
consider P6
• If you have significant amount of unsupported hardware for P7 / consider
P6
• If you cant go to 6.1.1 – consider P6
• If you are on 5.2 or old hardware and can go to 6.1.1 – P7 might be a fit
•If you are on P6 and want to maintain an upgrade path go to P7
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Migration/Downtime
• If you want to take advantage of the P7 benefits – planning will be key
• If you can go to 7.1 consider P7
• If you want the latest and greatest – go to P7
•Migration Consideration: If you are replacing disk unless you use a Mimix
type product you will probably be reloading, make sure you have compatible
media types on source and target machine.
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Migration/Downtime
• The number of partitions will impact the downtime
• Skipping releases will increase the downtime
•The time to perform object conversion will effect downtime
• Time for saves/restore will effect the downtime
•Type of migration will impact the downtime – hardware/OS can be staged
ahead of time
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Performance
• Careful planning required
• In most cases CPW increases are significant
•Ensure a commensurate amount of memory is added
• Review I/O rates and model drive reduction with WLE or other tools
http://www-912.ibm.com/wle/EstimatorServlet
• Identify and document current bottlenecks to help justify a P7
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Preguntas?
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