[Cluster-devel] [fence-virt PATCH] backend plugin for Pacemaker
Lon Hohberger
lhh at redhat.com
Wed Oct 26 00:54:05 UTC 2011
On 09/20/2011 03:40 AM, Kazunori INOUE wrote:
> Hi,
>
> I created the backend "pm-fence" which has met the following
> configurations / requirements.
> - Both hosts and VMs, cluster (Pacemaker) have been configured.
> * This backend has STONITH (fencing) function of the VM cluster.
> - The VMs are managed as resources (RA is VirtualDomain) by the host cluster.
> * In this configuration, in order to stop a VM,
> it is necessary to stop the resource through the host cluster.
> When the VM was stopped without through the host cluster
> (e.g., run the 'virsh destory'), the host cluster considers that
> VM resource failed.
>
This patch is good, but the server/Makefile.in needs to use pkg-config
--cflags / --libs glib-2.0 rather than static definitions. I have
included an updated patch.
Otherwise, I do like this patch quite a lot.
The only question I had is why there needs to be an external STONITH
plugin; I was of the impression that fence_virt and fence_xvm work out
of the box with Pacemaker 1.1.x. That doesn't affect this particular
patch, as far as I can tell (it looks like just a glue wrapper between
pacemaker and fence_virt itself).
-- Lon
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