[ClusterLabs] Why Do All The Services Go Down When Just One Fails?
Eric Robinson
eric.robinson at psmnv.com
Sat Feb 16 17:23:17 EST 2019
I'm looking through the docs but I don't see how to set the on-fail value for a resource.
> -----Original Message-----
> From: Users <users-bounces at clusterlabs.org> On Behalf Of Eric Robinson
> Sent: Saturday, February 16, 2019 1:47 PM
> To: Cluster Labs - All topics related to open-source clustering welcomed
> <users at clusterlabs.org>
> Subject: Re: [ClusterLabs] Why Do All The Services Go Down When Just One
> Fails?
>
> > On Sat, Feb 16, 2019 at 09:33:42PM +0000, Eric Robinson wrote:
> > > I just noticed that. I also noticed that the lsb init script has a
> > > hard-coded stop timeout of 30 seconds. So if the init script waits
> > > longer than the cluster resource timeout of 15s, that would cause
> > > the
> >
> > Yes, you should use higher timeouts in pacemaker (45s for example).
> >
> > > resource to fail. However, I don't want cluster failover to be
> > > triggered by the failure of one of the MySQL resources. I only want
> > > cluster failover to occur if the filesystem or drbd resources fail,
> > > or if the cluster messaging layer detects a complete node failure.
> > > Is there a way to tell PaceMaker not to trigger cluster failover if
> > > any of the p_mysql resources fail?
> >
> > You can try playing with the on-fail option but I'm not sure how
> > reliably this whole setup will work without some form of fencing/stonith.
> >
> > https://clusterlabs.org/pacemaker/doc/en-
> >
> US/Pacemaker/1.1/html/Pacemaker_Explained/_resource_operations.html
>
> Thanks for the tip. It looks like on-fail=ignore or on-fail=stop may be what I'm
> looking for, at least for the MySQL resources.
>
> >
> > --
> > Valentin
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