[Pacemaker] STONITH without mandatory success possible?

[Andrew Beekhof]

On 20/06/2013, at 2:52 PM, Vladislav Bogdanov <bubble at hoster-ok.com> wrote:

> 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 didnt think matahari had anything to do with fence_xvm

> 
>> 
>>> 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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> 
> 
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