z/VM release doesn't matter. Level of Linux doesn't matter. How big will your
linux servers be? How big would you expect your SGA? Total your linux servers
virtual storage sizes, plan on an overcommitt level of 3 if you have a
performance
monitor, 1.5 if you don't. so if your total linux servers take 10GB, you need
4gb
or 7gb based on your ability to manage it.
Chase, John wrote:
Hi, All,
I'm doing some "window shopping" for a possible future "server
consolidation" effort, and one of the initial questions that has arisen
is "how much central storage is needed" to run z/VM, Linux and possibly
Oracle? The initial hardware platform would likely be a z9BC that
currently runs two z/OS LPARs and an ICF. Given current workloads and
projects in progress, an initial foray into the z/VM + Linux world
probably would not occur before the GA date of z/VM 5.3, and two initial
Linux candidates are SLES 10 and RHEL 5. Oracle, if attempted, would
likely be the "most current" release. Specific questions:
1) What is the minimum central storage (memory) required to run z/VM
5.3 and "a handful" of Linux (and possibly Oracle) images?
2) What would be a "comfortable" allocation of central storage for #1?
TIA,
-jc-
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note:If you can't measure it, I'm just not interested
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