January 2006
Intermediate to advanced
226 pages
6h 11m
English
book
Linux for IBM System z9 and IBM zSeries
by Gregory Geiselhart, Robert Brenneman, Eli Dow, Klaus Egeler, Torsten Gutenberger, Bruce Hayden, Livio Sousa
Content preview from Linux for IBM System z9 and IBM zSeries
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4 Linux for IBM System z9 and IBM zSeries
1.4 Logical partition concepts
Processor Resource/System Manager (PR/SM) is a standard feature of all
zSeries CPCs. This allows a CPC to be divided into multiple logical partitions
(LPARs). LPARs allow workloads to be isolated in different system images, so
you can run production work separately from test work, or even consolidate
multiple servers into a single processor.
An LPAR has the following properties:
Each LPAR is a set of physical resources (processor, storage, and channels)
controlled by an operating system image (such as z/VM, z/OS, or Linux). An
LPAR is defined through IOCP/HCD. A Power-on-Reset ...
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