> On 27 Nov 2014, at 4:24 pm, Vladislav Bogdanov <bub...@hoster-ok.com> wrote: > > 27.11.2014 03:43, Andrew Beekhof wrote: >> >>> On 25 Nov 2014, at 10:37 pm, Vladislav Bogdanov <bub...@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.
The only interaction with watchdog is via SBD. Suicide for no-quorum-policy has always relied on fencing. SBD will look for that value though and tailor its behaviour. > 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 >>> >>> _______________________________________________ >>> Pacemaker mailing list: Pacemaker@oss.clusterlabs.org >>> http://oss.clusterlabs.org/mailman/listinfo/pacemaker >>> >>> Project Home: http://www.clusterlabs.org >>> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf >>> Bugs: http://bugs.clusterlabs.org >> >> >> _______________________________________________ >> Pacemaker mailing list: Pacemaker@oss.clusterlabs.org >> http://oss.clusterlabs.org/mailman/listinfo/pacemaker >> >> Project Home: http://www.clusterlabs.org >> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf >> Bugs: http://bugs.clusterlabs.org >> > > > _______________________________________________ > Pacemaker mailing list: Pacemaker@oss.clusterlabs.org > http://oss.clusterlabs.org/mailman/listinfo/pacemaker > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: http://bugs.clusterlabs.org _______________________________________________ Pacemaker mailing list: Pacemaker@oss.clusterlabs.org http://oss.clusterlabs.org/mailman/listinfo/pacemaker Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org