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DS8800 Performance Monitoring and Tuning
book

DS8800 Performance Monitoring and Tuning

by Gero Schmidt, Bertrand Dufrasne, Jana Jamsek, Peter Kimmel, Hiroaki Matsuno, Flavio Morais, Lindsay Oxenham, Antonio Rainero, Denis Senin
July 2012
Intermediate to advanced content levelIntermediate to advanced
726 pages
26h 28m
English
IBM Redbooks
Content preview from DS8800 Performance Monitoring and Tuning
Chapter 9. Performance considerations for UNIX servers 387
LVM striping
An example of a striped logical volume is shown in Figure 9-13. The logical volume called
/dev/striped_lv uses the same capacity as /dev/inter-disk_lv (shown in Figure 9-12 on
page 386), but it is created differently.
Notice that /dev/striped_lv is also made up of eight 256 MB physical partitions, but each
partition is then subdivided into 64 chunks of 4 MB (only three of the 4 MB chunks are shown
per logical partition for space reasons).
Figure 9-13 Striped logical volume
As with LVM Distributed Allocation Policy, the first step is to initialize the PVs with the following ...
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Publisher Resources

ISBN: 0738436836Purchase book