[ClusterLabs] clvmd in rgmanager with self_fence="true"

[Digimer]

Hi all,

  Do to recent issues[1], I want to configure cman/rgmanager to
suicide/self-fence if clvmd fails for some reason. The RHBZ suggested
adding 'self_fence="true"' to the service, but this is not supported by
the 'script' RA.

  I decided to try and use the lvm RA, but despite there being
references to clvmd, it seems to insist on an active/passive setup. When
I start LVM service on the second node, it complains that the LV is
already activated on another node.

  I've been googling trying to find an example implementation of
active/active LVM in rgmanager but have come up frustratingly blank. If
anyone can give me a clue, I would be very grateful. :)

digimer

1. https://bugzilla.redhat.com/show_bug.cgi?id=1349755

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Digimer
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