[cisco-voip] Unity 4.0 Messaging Failover

[Ed Leatherman]

Kenny,

First of all, i guess you know that you'll only have UMR service while your
exchange is down right?

In my limited experience with Unity failover... you may run into some
problems getting it setup and running over the WAN. I tried to set it up
with the failover server across our network core on the other side of town
at our backup site. Gig all the way through, but on a different IP
Subnet/broadcast domain. We could not get the failover wizard to even see
the other server.

TAC's suggestion was to pull the server out of the rack and bring it to the
main office, put it on the same network and Unity, set up failover, and move
it back across town again. Might be worth thinking about in your case. We
still haven't done it yet ourselves.

I agree with Justin, its a lot of reconfiguring just to move once. Are you
going to leave failover in place afterwards?

On 6/21/07, Kenny Marus <kbrain at gmail.com> wrote:
>
> Here is the scenario.
>
> Moving CallManager and Unity from a Data Center to Corporate Office. We
> are looking to plan this correctly with the least amount of downtime
> possible. The plan is to first move the CM Pub from the Data Center to the
> Corp Office. Then build a 2nd Unity box at the Corp office and set it to run
> in "Remote Failover" mode with the Primary Unity accross the WAN in the Data
> Center. This will be a temporary solution while the Exchage Cluster is shut
> down and moved from the Data Center to the Corp office. One thing to note
> regarding the "Remote Failover" mode is that we will not have the Cisco
> recommended 45 Mbps between sites however all we are trying to accomplish
> with this is a short term access to Unity while the Primary Unity and
> message store (Exchange Cluster) are being moved.
>
>
> What will be the user expierence for the users when the Unity and Exchange
> Cluster are shut down at the Data Center? Will they be able to access VM
> through the TUI?
>
>
> Data Center
>
>
> -CallManager Pub/Sub
> -Unity 4.0
> -Exchange Cluster
> -Domain Controller (Global Catalog Server)
>
>
>
> Corp Office
>
>
> -CallManager Pub (To be moved from Data Center)
> -Unity 4.0 (Remote Failover)
>
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>
>


-- 
Ed Leatherman
Senior Voice Engineer
West Virginia University
Telecommunications and Network Operations
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