IBM I 7.1 - Manual (Page 18)

© 2010 IBM Corporation
IBM Power Systems
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IBM i Storage Management and SSD
ƒ IBM i 6.1.1 and 7.1 adds
– Native support for IBM Systems Storage DS5100, DS5300,
DS8700
– Support for PCI-e Dual SAS disk controllers
– Concurrent disk remove and hot disk spare for mirroring
ƒ IBM i supports hierarchical storage management
– Now IBM i automatically collects I/O performance data and
moves most active data to Solid State Drives (SSD)
ƒ DB2 for i supports SSD as preferred media
– New DB2 Random Read Statistics
ƒ Additional enhancements for SSDs
– New “SSD-Aware” utilities
– Improved performance instrumentation
– Usability enhancements
ƒ SSD Analyzer Tool
– Designed to help determine if SSDs can help improve
application performance hot data
– Runs on IBM i 5.4, 6.1 or 7.1
http://www.ibm.com/support/techdocs/atsmastr.nsf/WebIndex/PRS3780
Batch Performance Runs
0
1
2
3
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Ho
u
rs
72 Drives 72 Drives + 8 SSD 60 Drives + 4 SSD
40% Reduction
Associated Bank Reduces Batch Run Time
by 40% with SSDs *
*
http://www.ibmsystemsmagpowersystemsibmidigital.com/nxtbooks/ibmsystemsmag/ibmsystems_power_200909/index.php#/16#
SSDs can improve performance of long
running batch jobs or queries. IBM i can
easily get the right data on the SSDs
72 Drives replaced by
60 Drives + 4 SSD