[cisco-voip] CallManager Upgrade Procedures?

[Lemon]

On Thu, Nov 13, 2008 at 9:55 PM, Weigand, John V.
<jvw at medicineforthedefense.com> wrote:
> Serious Medicine for the Defense (R)
>
> In the past, we have always done CallManager upgrades for our 5.1.3 setup by
> first running the upgrade on the publisher, rebooting to the new partition,
> then on the subscriber, and rebooting to the new partition, which is how our
> integrator told us to do it. However, the question arose today: can we apply
> the upgrade to the inactive partition of both the pub and sub, at the same
> time, without interrupting call processing, and then reboot to the new
> partitions later?

Yes you can - install it on the Pub first and then on the Sub and
choose to reboot at your own earliest convenience.