[Pacemaker] Problems with SBD fencing

[Jan Christian Kaldestad]

It looks like pacemaker 1.1.10 fixes a few things related to crmd and
fencing failures, so I'd like to test 1.1.10. Unfortunately it's not
available for SLES yet, so I guess I just have to wait...


On Wed, Aug 21, 2013 at 9:02 PM, Lars Marowsky-Bree <lmb at suse.com> wrote:

> On 2013-08-21T18:15:39, Jan Christian Kaldestad <janck76 at gmail.com> wrote:
>
> > In my case I should mention that stonithing works occasionally when the
> SBD
> > resource is defined on one node only, but not too often. Unfortunately I
> > can't seem to find a pattern when it's working or failing. What I'm
> curious
> > about is the following lines in the log file:
>
> That looks as if you're hitting a pacemaker bug. Please file a bug
> report with NTS; I've not seen that in my testing.
>
> > Of course there is no route to the other host, as the network interface
> is
> > down on the other node. The SBD stonith operation shouldn't be dependent
> on
> > the network connection at all?
>
> Right. This is pacemaker/stonith-ng not knowing where to send the fence
> request, it has nothing to do with sbd.
>
> > I have also been testing another case where I define the SBD resource on
> > both nodes (which is not recommended as I understand). In this case
> > stonithing works just fine - always. Thus SBD messaging must be working
> as
> > it should. I also tested to fence the other node with the sbd command,
> and
> > it always works. So I'm still confused why SBD stonithing does not work
> > when the resource is defined on one node only.
>
> Pacemaker bug.
>
>
> Regards,
>     Lars
>
> --
> Architect Storage/HA
> SUSE LINUX Products GmbH, GF: Jeff Hawn, Jennifer Guild, Felix
> Imendörffer, HRB 21284 (AG Nürnberg)
> "Experience is the name everyone gives to their mistakes." -- Oscar Wilde
>
>
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-- 
mvh
Jan Christian
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