[Pacemaker] Change of Domain

[Sébastien Han]

Hi,

It happened to me, I solved this by:

# crm node delete node-with-old-hostname

Simple as that, after that the [offline] node left.

OS: CentOS release 6.3 fully upgraded with the following packages:

# rpm -qa | egrep 'pacemaker|corosync'
corosync-1.4.1-7.el6.x86_64
corosynclib-1.4.1-7.el6.x86_64
pacemaker-cli-1.1.7-6.el6.x86_64
pacemaker-1.1.7-6.el6.x86_64
pacemaker-libs-1.1.7-6.el6.x86_64
pacemaker-cluster-libs-1.1.7-6.el6.x86_64


Cheers!

On Wed, Aug 1, 2012 at 2:21 PM, Stallmann, Andreas <AStallmann at conet.de>wrote:

>   **Ø  **Does anyone have no feedback on this ?****
>
> Hi!****
>
> ** **
>
> I’d first set all nodes “standby” with ****
>
> ** **
>
> crm node standby nodename (repeat for all nodes)****
>
> ** **
>
> Then I’d try to remove them with****
>
> ** **
>
> crm delete nodename (repeat for all nodes)****
>
> ** **
>
> Set the nodes online again after that.****
>
> ** **
>
> If this doesn’t work, try the following:****
>
> ** **
>
> cibadmin –Q >cib.xml****
>
> ** **
>
> Now shutdown corosync with****
>
> ** **
>
> service corosync stop (or heartbeat, if that’s what your using).****
>
> ** **
>
> Edit the file cib.xml and remove the old nodes from the
> <node></node>-Section within the <configuration></configuration>-Section.
> You might want to delete/edit any further occurences of the node names from
> the xml file, too.****
>
> ** **
>
> Now, do delete everything that’s within the <status></status>-Section (but
> not the section delimiters themselves). Be aware, that the cluster will
> begin with a fresh state afterwards.****
>
> ** **
>
> Finally, start up corosync (or heartbeat) again (service corosync start)
> and  replace the old CIB with the one you just edited:****
>
> ** **
>
> cibadmin –f –R cib.xml****
>
> ** **
>
> If this fails, you might have to increase the “epoche” (or num_updates,
> I’m not sure, so just try it... shouldn’t do much harm) value in your
> cib.xml and repeat the last step.****
>
> ** **
>
> Hope this helps,****
>
> ** **
>
> Andreas****
>
> ** **
>
> ** **
>
>
>
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