lmb at suse
May 24, 2012, 2:10 AM
Views: 761
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[rfc] SBD with Pacemaker/Quorum integration
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Hi all,
I had to repeatedly deal with customer/partner scenarios where the SAN
was unreliable, and outages were correlated across fabrics. The desire
was to avoid the self-fence in such cases if the cluster is quorate and
the node is not unhealthy.
This required SBD to link against pacemaker's CIB and PE libraries, and
all that that implies. Which meant sbd had to move out of cluster-glue,
or else we'd face a build loop.
To give you a glance of the extended sbd code, you can check out
http://hg.linux-ha.org/sbd - the new Pacemaker integration is activated
using the "-P" option in /etc/sysconfig/sbd, otherwise sbd remains a
drop-in replacement for the previous versions.
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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[rfc] SBD with Pacemaker/Quorum integration
