[Pacemaker] Change Hostname

[Thorsten Rehm]

Hi,

ohh, thanks, but I have heartbeat in use.
"Legacy cluster stack based on heartbeat"
http://www.clusterlabs.org/wiki/File:Stack-lha.png

So, there is no corosync.conf ;)

Regards,
Thorsten

On Tue, Sep 4, 2012 at 10:38 AM, Vit Pelcak <vpelcak at suse.cz> wrote:
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> Dne 4.9.2012 10:28, Thorsten Rehm napsal(a):
>> Hi everyone,
>>
>> I have a cluster with three nodes (stack: heartbeat) and I need to
>> change the hostname of all systems (only the hostname, not the ip
>> address or other network configuration). I have already made
>> several attempts, but so far I have not managed that resources are
>> available without interruption, after I changed the hostname. Is
>> there a procedure that allows me to change the hostname, without
>> loss of resources? If so, how would this look like? Is there a best
>> case?
>
>
> Hm. What about modifying corosync.conf to reflect hostname change on
> all nodes, restarting corosync on all one after another (so you always
> have at least 2 nodes running corosync and resources) and then
> changing that hostname on desired machine and restarting corosync on it?
>
> In general, do not stop corosync on more than 1 node at the time and
> you should be safe.
>
>> Cheers, Thorsten
>>
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>>
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>> http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs:
>> http://bugs.clusterlabs.org
>
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-- 
Mit freundlichen Gruessen / Kind regards
Thorsten Rehm