[cisco-voip] Unity 10.5.2 "promote" subscriber

Ryan Huff ryanhuff at outlook.com
Wed Apr 13 03:37:56 EDT 2016


So the quick answer is no; once an HA node, always an HA node (as far as that CUC HA pair is concerned).

Also, taking and running VM snapshots is not a supported for in UCOS (because as you mention, the longer the snapshot runs, the bigger it gets which can lead to resource issues).

At this point your best option may be to take a recent / updated DRS and restore onto a new CUC HA pair. If you don't have / can't get a recent DRS you may have to deal with COBRAS. Either way, I would make sure you have a very recent one of those, if you do not already.

What's the VM host issue that caused the primary to be shutdown in the first place? You mentioned trying to recover from a split brain; typically this issue comes about when both nodes are/were online at the same time; is this why the primary was shutdown?

Thanks,

Ryan

On Apr 12, 2016, at 11:09 PM, Natambu Obleton <nobleton at fasttrackcomm.net<mailto:nobleton at fasttrackcomm.net>> wrote:


I have run into an issue where my publisher was shutdown because of an issue with the VM Host and I have been running on the subscribe for about two weeks. I took snapshots first, then tried to do the split brain recovery, but after running the 12 hours.. it wasn't done so rolled back to my snapshots. It seems the longer I wait to recover the longer the recovery will take. Is there a way to promote the subscriber to be my new publisher and then add new subscriber for redundancy? Thanks.

?


--

Natambu Obleton
CISSP #370414 CCIE #38491
Network Architect
FastTrack Communications, Inc.
970.828.1009
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