Hi,

We're planning to acquire a z890 processor w/ 1 CP for a z/VM CMS workload
and 2 IFL engines for an eventual z/VM zLinux workload consisting largely
of Domino and WebSphere.

We're expecting to run 10 Domino email DPARs and possibly up to 10-20
WebSphere servers, although we don't know just yet what those applications
will be.

We're trying to determine how much real storage to include on this z890
processor.  z890 storage comes in 8Gb increments.  IBM tells us the HSA
will be 1Gb and we plan to reserve 2Gb for the CMS workload.  That
potentially leave 5Gb for the zLinux workload and I'm trying to determine
if thats enough, especially since I'll want to reserve a third or so of it
for expanded storage.

We haven't even tested Domino yet and have just one light WebSphere server
running currently, so we don't have much effective feedback on storage
requirements.  We're currently running z/VM v4.4 but will be migrating to
v5.1 soon.

For any of you who are running Domino and/or WebSphere, what do you think?

Thanks in advance for any advice you can provide.

Dennis Schaffer
Mutual of Omaha

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