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IBM TotalStorage DS6000 Series: Performance Monitoring and Tuning
book

IBM TotalStorage DS6000 Series: Performance Monitoring and Tuning

by Cathy Warrick, Craig Gordon, Benoit Granier, Keitaro Imai, Rosemary McCutchen, Brannen Proctor, Jim Sedgwick, Paulus Usong, Mary Ann Vandermark, John Wickes
December 2005
Intermediate to advanced content levelIntermediate to advanced
530 pages
18h 34m
English
IBM Redbooks
Content preview from IBM TotalStorage DS6000 Series: Performance Monitoring and Tuning
428 IBM TotalStorage DS6000 Series: Performance Monitoring and Tuning
Figure 13-2 Allocating DB2 containers using a “spread your data” approach
In addition, consider the following:
򐂰 You may intermix data, indexes, and temp spaces on the DS6000 Ranks. Your I/O activity
will be more evenly spread and thus will avoid the skew effect, which you would otherwise
see if the components were isolated.
򐂰 For DPF systems, establish a policy that allows partitions and containers within partitions
to be spread evenly across DS6000 resources. You should choose a vertical mapping, in
which DB2 partitions are isolated to specific arrays, with containers spread ...
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ISBN: 0738494119Purchase book