Ted MacNEIL wrote:
IMHO it is not very popular to run parallel
sysplex on single CPC. Usually the LPARs on CPC are not sysplexed (or
belong to different syplexes).
I totally and thoroughly disagree.
I have seen many shops with all LPARs in the same PLEX and there were fewer
footprints than images.
LPARs work when differing workloads peak at different times.
Ted,
You mean more members of sysplex than CPCs. That's right. Sometimes more
than one LPAR on CPC belong to given sysplex. Probably those LPARs have
different workloads.
However what I mean is: it is unpopular to have ALL members of sysplex
withing single CPC. Except having CF and software maintenance, there is
no real advantage of such configuration, but there's a cost (CPU cycles).
Of course IRD can manage subset of sysplex, but it's not big deal.
What's you observation regarding IRD ? Is it widely used ?
--
Radoslaw Skorupka
Lodz, Poland
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