[Pacemaker] Suicide fencing and watchdog questions

[Vladislav Bogdanov]

27.11.2014 03:43, Andrew Beekhof wrote:
> 
>> On 25 Nov 2014, at 10:37 pm, Vladislav Bogdanov <bubble at hoster-ok.com> wrote:
>>
>> Hi,
>>
>> Is there any information how watchdog integration is intended to work?
>> What are currently-evaluated use-cases for that?
>> It seems to be forcibly disabled id SBD is not detected...
> 
> Are you referring to no-quorum-policy=suicide?

That too.

But main intention was to understand what value that feature can bring
at all.
I tried to enable it without SBD or no-quorum-policy=suicide and
watchdog was not fired up. Then I looked at sources and realized that it
is enabled only when SBD is detected, and is not actually managed by the
cluster option.

> 
>>
>> Also, is there any way to make node (in one-node cluster ;) ) to suicide
>> if it detects fencing is required? Technically, that can be done with
>> IPMI 'power cycle' or 'power reset' commands - but node (and thus the
>> "whole" cluster) will not know about fencing is succeeded, because if it
>> received the answer, then fencing failed. But node will be hard reboot
>> and thus cleaned up otherwise.
>>
>> Best,
>> Vladislav
>>
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> 
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