[Pacemaker] Pacemaker restart resources when node joins cluster after failback

[José Alonso]

Hi all,

I removed apache from the init-process but still having the same behavior.
When a node rejoins the cluster, all resources are restarted again. Is
there any way to avoid that??

Best regards,

Jose

On Mon, Mar 5, 2012 at 2:53 PM, Arnold Krille <arnold at arnoldarts.de> wrote:

> Hi,
>
> On Monday 05 March 2012 12:58:16 José Alonso wrote:
> > I have 2 Debian nodes with heartbeat and pacemaker 1.1.6 installed, and
> > almost everything is working fine, I have only apache configured for
> > testing, when a node goes down the failover is done correctly, but
> there's
> > a problem when a node failbacks.
> >
> > For example, let's say that Node1 has the lead on apache resource, then I
> > reboot Node1, so Pacemaker detect it goes down, then apache is promoted
> to
> > the Node2 and it keeps there running fine, that's fine, but when Node1
> > recovers and joins the cluster again, apache is restarted on Node2 again.
> >
> > Anyone knows, why resources are restarted when a node rejoins a cluster ?
>
> Just a quick guess: Your node1 is starting apache from the init-process,
> pacemaker detects that. Since running two instances is not what pacemaker
> wants, it stops all of them and restarts the one it wants to see up.
>
> Have fun,
>
> Arnold
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