[Pacemaker] Question: Two Nodes - Mirrored SANs - SBD?

Dejan Muhamedagic dejanmm at fastmail.fm
Mon Aug 2 14:57:40 UTC 2010


Hi,

On Wed, Jul 21, 2010 at 08:08:30AM +0000, Rainer Lutz wrote:
> Hello all,
> 
> first the scenario:
> 
> Two Nodes connected to two SANs via fibre channel and 
> mirrored devices. Multipath Partitons are used.
> 
> So i have two disks ( one disk SAN A and one disk SAN B ) 
> combined to let`s say DM-0
> 
> Now i create a SBD Partition on the multipath device and 
> configure the SBD daemon, and the cluster is running. Only
> problem - if i hang out one disk of the multipath array one
> of the nodes ( the one where the SBD Daemon is not mounted )

SBD Daemon not mounted? If the disk is not accessible, the sbd is
going to reboot the node. Is that what you saw? Was that due to
multipathing? Otherwise, sbd must run on both nodes.

Thanks,

Dejan

> will reboot.
> 
> Is this normal? Or have i configured something wrong?
> 
> Kind regards,
> 
> Rainer
> 
> 
> 
> 
> 
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