[Pacemaker] Online and Offline status when doing crm_mon

[Pavlos Parissis]

On 5 October 2010 22:12, Mike A Meyer <MMeyer at cds-global.com> wrote:

> We are setup in a two node active/passive cluster using pacemaker/corosync.
>  We shutdown the pacemaker/corosync on both nodes and changed the uname -n
> on our nodes to show the short name instead of the FQDN.  Started up
> pacemaker/corosync and ever since we done that, when we run the crm_mon
> command, we see this below.
>
> ============
> Last updated: Tue Oct  5 13:28:16 2010
> Stack: openais
> Current DC: e-magdb2 - partition with quorum
> Version: 1.0.9-89bd754939df5150de7cd76835f98fe90851b677
> 4 Nodes configured, 2 expected votes
> 2 Resources configured.
> ============
>
> Online: [ e-magdb2 e-magdb1 ]
> OFFLINE: [ e-magdb1.testingpcmk.com e-magdb2.testingpcmkr.com ]
>
> We did edit the crm configuration file to use short names for both nodes.
> We can ping both the short name and the FQDN on our internal network and
> both come back with the right IP address.  We are running on RHEL 5.
>  Anybody have any ideas why the FQDN shows offline since this change since
> we configured pacemaker/corosync to use short names?  Is it grabbing it from
> internal DNS from the IP address we have in the /etc/corosync.conf file?
>  Everything seems to be working correctly and failing over correctly.
>  Should this be something to worry about though or is it a display bug
> maybe?  Below is the corosync.conf file.
>

Did you follow this[1] procedure?

Changing the names on the conf file of corosync it not enough.


[1]
http://www.clusterlabs.org/doc/en-US/Pacemaker/1.0/html/Pacemaker_Explained/s-node-delete.html
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