December 2011
Intermediate to advanced
426 pages
13h 30m
English
book
Power Systems Enterprise Servers with PowerVM Virtualization and RAS
by Dino Quintero, JinHoon Baek, Guillermo Diez, Hassan Elsetohy, Debra Francis, Bing He, Rajesh Jeyapaul, Anil Kalavakolanu, Tejaswini Kaujalgi, David Kgabo, Ricardo Puig, Vani Ramagiri
Content preview from Power Systems Enterprise Servers with PowerVM Virtualization and RAS
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Chapter 3. Enhancing virtualization and RAS for higher availability 79
rootvg WPAR
In Figure 3-4, SAN disks are allocated to both Node A and Node B. The disks are shared
across both nodes. The SAN storage disks are assigned to the System WPARs while
creating the WPAR itself. The root file systems (/, /usr, /opt, /home, /tmp and /var file
systems) of the WPAR are created on the storage disks that are assigned to the WPAR.
Figure 3-4 SAN-based WPAR mobility
WPAR1 is assigned the disks from the SAN subsystem, and these disks are also seen by
Node B. Here, the migration can be done from NODE A to NODE B without needing NFS
services. This kind of ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.