October 2012
Intermediate to advanced
156 pages
3h 51m
English
book
IBM PowerVM Best Practices
by Adriano de Almeida, Rafael Antonioli, Urban Biel, Sylvain Delabarre, Bartłomiej Grabowski, Kristian Milos, Fray L Rodríguez
Content preview from IBM PowerVM Best Practices
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118 IBM PowerVM Best Practices
the partition profile. It requires 1 bit extra for every 16-byte page it allocates. For
instance, a partition with 10 Gb of memory needs a paging device with a
minimum size of 10.08 Gb defined in the partition profile.
Remember, some storage vendors do not support dynamically increasing the
size of a logical unit number (LUN). If this case, the paging device needs to be
removed and re-created. The following list outlines best practices to consider
when you configure paging devices:
Use physical volumes, where possible, over logical volumes.
If you use logical volumes, use a small stripe size.
Use thin provisioned LUNs.
Spread the I/O load across as much of the disk subsystem as possible.
Use a write cache, ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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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.