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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
374 DS8800 Performance Monitoring and Tuning
Figure 9-10 Veritas Volume Manager (VxVM) overview
The DS8000 LUNs that are under the control of VxVM are called VM Disks. You can split
those VM Disks in smaller pieces that are called
subdisks. A plex looks like a mirror and
consists of a set of subdisks. It is at the plex level that you can configure RAID 0, RAID 5, or
simply concatenate the subdisks. A volume consists of one or more plexes. When you add
more than one plex to a volume, you can implement RAID 1. On top of that volume, you can
create a filesystem or simply use it as a raw device.
To set up the volume layout with the DS8000 LUNs, you ...
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Publisher Resources

ISBN: 0738436836Purchase book