June 2011
Intermediate to advanced
426 pages
15h 14m
English
book
Implementing the IBM General Parallel File System (GPFS) in a Cross Platform Environment
by Dino Quintero, Matteo Barzaghi, Randy Brewster, Wan Hee Kim, Steve Normann, Paulo Queiroz, Robert Simon, Andrei Vlad
Content preview from Implementing the IBM General Parallel File System (GPFS) in a Cross Platform Environment
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Chapter 7. IBM Power Systems virtualization and GPFS 283
When you set up a production environment, a good approach regarding processor allocation
is to define the LPAR as uncapped and to adjust the entitled (desirable) processor capacity
according to the utilization that is monitored through the lparstat command.
7.1.3 VSCSI and NPIV
VIOS provides two methods for delivering virtualized storage to the virtual machines (LPARs):
Virtual SCSI target adapters (VSCSI)
Virtual Fibre Channel adapters (NPIV)
7.1.4 Virtual SCSI target adapters (VSCSI)
This implementation is the most common and has been in use since the earlier Power5
servers. With VSCSI ...
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