[Pacemaker] Change Hostname

Thorsten Rehm thorsten.rehm at gmail.com
Thu Sep 6 06:35:39 EDT 2012


Hi everyone,

nobody has an idea?
Have I missed something in the documentation?

Regards,
Thorsten


On Tue, Sep 4, 2012 at 10:55 AM, Thorsten Rehm <thorsten.rehm at gmail.com> wrote:
> 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
>>>
>>> _______________________________________________ Pacemaker mailing
>>> list: Pacemaker at oss.clusterlabs.org
>>> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>>>
>>> Project Home: http://www.clusterlabs.org Getting started:
>>> http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs:
>>> http://bugs.clusterlabs.org
>>
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>> _______________________________________________
>> Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
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>>
>> Project Home: http://www.clusterlabs.org
>> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
>> Bugs: http://bugs.clusterlabs.org
>
>
>
> --
> Mit freundlichen Gruessen / Kind regards
> Thorsten Rehm



-- 
Mit freundlichen Gruessen / Kind regards
Thorsten Rehm




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