[cisco-voip] Unity 4.x to 7.x with failover upgrade

[Jason Aarons (US)]

I'll be researching this myself next week and be doing some lab work to
test.  I have similar scenario in end of January.  

 

I plan to upgrade from Unity Unified Messaging (with Exchange) 4.0.5 to
4.1.2  then;

 

a)      New hardware install 4.1.2 and DIRT restore from old hardware,
then upgrade to 5.0.1 (they plan to use Exchange 2007 cluster)  I have
done this before but without failover

 

or 

 

b)      New Hardware install 5.0.1 (they plan to use Exchange 2007
cluster) and use COBRAS to move subscribers/call handlers from old 4.1.2
box (this is new I haven't tried this yet)

 

I understand there are issues with DiRT and 4.0.5X thus the 4.1.2
upgrade.

 

My customer is not using Viewmail for Outlook so I don't have to worry
about pushing that out.

 

From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Voice Noob
Sent: Thursday, January 01, 2009 10:45 PM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] Unity 4.x to 7.x with failover upgrade

 

I am getting ready to do an upgrade from Unity 4.x to 7.x with failover
in a UM setup. I have not done a failover upgrade but I have done
several Unity upgrades in both VM and UM. I will usually  take a DIRT
backup of the customer Unity server, upgrade it in VMware to the version
I want to go to. Do a new DIRT and then restore it to the new server
hardware. I have done this before in a UM setup and it can be done but
there are a few exchange issues you have to deal with. I am not
concerned with those and I can work through them. My question is do I
need to upgrade the failover server? Can I just upgrade the primary and
once it is up and working with version 7 do a fresh install of the
secondary server? Do the changes from the primary Unity server replicate
over to the secondary like call manager PUB and SUB? Thanks for any
help.

 

 




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