[cisco-voip] Device pack installation methodology question

[Jeremy Bresley]

On 1/3/2015 2:11 PM, Ryan Huff wrote:
> I need to install a device pack on a 2 node 9.1(2) CCM cluster to get 
> support for some 88xx phones but I do not want to update the loads for 
> anything else.
>
> The approach I am going to use is:
>
> Drop the publisher out of the CM Group, forcing all phones to the 
> subscriber. Install the device pack on the publisher and reboot the 
> publisher. Once the publisher is backup, set all the device defaults 
> back to what I want them to be then add the publisher back to the CM 
> Group. Then drop the subscriber from the CM Group forcing all the 
> phones on the publisher and start the install process over for the 
> subscriber. Once everything is back up add the subscriber back to the 
> CM Group.
>
> Does that sound reasonable or is there an easier way?

Any time I've needed device support I just install it on all the nodes 
then reboot them one at a time during a maintenance window. As long as 
both nodes are running call processing, they'll fail over when the node 
reboots.  Not sure about on 9.X, but on 10.X this just shows as a blip 
on the phones of them reregistering, not a full reboot.  Obviously if 
you install new software for those phones, they'll upgrade software when 
they reboot.

Jeremy "TheBrez" Bresley
brez at brezworks.com
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