[cisco-voip] Changing vCPU Quantities

[Anthony Holloway]

Hi Everyone,

I have been telling people on this list
<http://cisco-voip.markmail.org/thread/rrege2ktkvjha2oa> for a while now,
and for that matter, in person too, that you can just shutdown the VM and
modify the vCPU count per VM and then power it back on.

In fact, I know I've done this a half a dozen times in the past.  However,
for CUC, a colleague of mine just uncovered the following bullet point:


*"Adding vCPU is supported for all apps except Unity and Unity Connection,
but requires VM to be shutdown first."*

Source:
http://docwiki.cisco.com/wiki/Unified_Communications_VMware_Requirements#Resize_Virtual_Machine

So, with CUC being the exception, it would stand to reason that CUC
requires a DRS backup, new OVA deployment, then DRS restore to change the
vCPU count, correct?

To add to the confusion, PDI is even stating
<https://supportforums.cisco.com/discussion/12111866/changing-cpu-core-count-esxi-unity-connection-86>
in certain cases online that changing the vCPU count without a DRS
backup.restore is support.

So, what do you know about this?  Is CUC really different from the other
apps, or is this a case of bad documentation?

Thanks.
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