[cisco-voip] Disaster Recovery Procedure CUCM 5.1(2)

[Ruben Montes (Europe)]

Hello,

I had to do a Publisher replacement from a MCS7825 to a MCS7835 last
week. We had two additional subscribers. I followed step by step the
guide Wes has mentioned and all went fine (the whole change took us 9
hours).

The main problem is that you MUST reinstall also all the subscribers
from the cluster: this was confirmed by TAC and by the customer's SE
cisco engineer.

If you have any additional question about this just drop me an email...

Regards,

Ruben

-----Mensaje original-----
De: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] En nombre de Wes Sisk
Enviado el: viernes, 19 de octubre de 2007 19:03
Para: Patrick Diener
CC: cisco-voip at puck.nether.net
Asunto: Re: [cisco-voip] Disaster Recovery Procedure CUCM 5.1(2)

Hi Patrick,

Good stuff.  Most of this is finally covered in CM513 docs:
http://www.cisco.com/en/US/products/sw/voicesw/ps556/prod_installation_g
uide09186a00808be1dc.html



Patrick Diener wrote:
> I'm trying to put together a rough step by step procedure to do a
> disaster recovery for a cucm 5.1(2) cluster and there are some stuff I
> can't figure out how it should/will work...
>
> I based the steps on the DRS Admin Guide for Version 5.0 (5.1 not out
yet?!?)
>
> Important: I try to do a restore on a new server hw => new first node
MAC
>
> Step 1:
> perform fresh install of cucm sw
> !! set same hostname as before !!
>   
ws: same hostname, ip, and passwords
> Step 2:
> perform restore using DRS and restart server (worked like a charm in
the lab...)
>
> form now on I'm stuck...
>   
ws: you restored the pub only, correct? and rebooted?  after you 
reinstall sub will need to DRS restore it as well.
> Step 3:
> Licensing?!?
> all activated services will not start cause the .lic files are not
> valid for the new server hw (at least thats what happened in the
> lab..)
> => will TAC send me a new .lic equal to the old one?
> => do I need to contact licensing at cisco.com?
> => any experience how long it will take to get the new .lic files?
>   
ws: yep, new license files if replacing the pub. covered in the doc, 
licensing at cisco.com
> Step 4:
> move some phones to the restored publisher (assuming callmanager
> service is running) and test all features needed
> => will the phones register if security has been configured? I assume
> the new callmanager, tftp and capf certificates will not match the
> certificates stored in the phones ctl file (right?) how do I get out
> of this mess without touching each and every phone to delete the ctl
> file or perform a factory reset?
>   
ws: this comes later actually. check the doc, you will create new CTL 
files using same USB token.
> Step 5:
> restore sub (or subs)
>   
step5: reinstall subs, then restore subs, then perform post-replace 
checklist.
>
> all comments, experiences and remarks are appreciated!
>
> cheers
> Patrick
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>   
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