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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Chapter 3. Virtualization with z/VM 49
Specific IBM middleware product availability for can be found from the Web sites
listed in Table 3-2.
Table 3-2 IBM middleware available for Linux on zSeries
3.4 Running Linux under z/VM
In this section, we look at some of the factors to consider when running Linux
guests under z/VM.
3.4.1 Managing guest virtual memory
One of the major values of running Linux guests under z/VM is the ability to
overcommit real memory. With z/VM, the sum of virtual memory allocated to
Linux guests typically exceeds the amount of real memory in the LPAR. z/VM
paging algorithms are optimized to overcommit memory.
The extent to ...
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