[Pacemaker] STONITH without mandatory success possible?

Vladislav Bogdanov bubble at hoster-ok.com
Thu Jun 20 06:52:14 CEST 2013

20.06.2013 00:36, Andrew Beekhof wrote:
> On 20/06/2013, at 6:33 AM, Doug Clow <doug.clow at dashbox.com> wrote:
>> Hello All,
>> I have some 2-node active-passive clusters that occasionally lose
>> Corosync connectivity. The connectivity is fixed with a reboot. They
>> don't have shared storage so stonith doesn't have to happen for another
>> node to take control of the resource. Also they are VMs so I can't use a
>> standard stonith method.
> fence_xvm works nicely for this most virt clusters, there was a vmware one floating around at one point

Unfortunately matahari and libvirt-qmf (part of a picture, which
connects hypervisor to fenced) are removed in 6.4.

>> I could use the vmware module, but then if the VM host was down,
>> no node would take control. Is there a way to make stonith success not
>> mandatory?
> You can turn it off...
>> That way the other node would always take control and then it would 'try' to reboot the other machine if possible.
>> On a related issue, CentOS 6.4 doesn't come with the null or ssh
>> devices. I've tried compiling from source but the resulting stonith
>> modules are not in the Red Hat type of format. Is there a way to get the
>> null or ssh device into CentOS?
> The RH ones are in the fence-agents package.
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