On Wed, Nov 26, 2014 at 11:13:41AM +0100, emmanuel segura wrote: > But i would like to know if pacemaker needs to start sbd on the node > where sbd resource isnt running to fence the other nodes, because i > don't see any start action in the second node:
That's strange. I'd expect that a stonith resource needs to be started (enabled) first. Perhaps that changed, as it seems to be the case judging by the logs below. I cannot offer any more advice here, but would still like to know the circumstances and how it happened that the nodes shot each other. Thanks, Dejan > ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: > > message_2cd.txt:Nov 23 11:43:28 node01 sbd: [69794]: WARN: CIB: We do > NOT have quorum! > message_2cd.txt:Nov 23 11:43:28 node01 sbd: [69791]: WARN: Pacemaker > health check: UNHEALTHY > message_2cd.txt:Nov 23 11:43:28 node01 pengine: [69823]: notice: > LogActions: Leave stonith-sbd (Started node01) > message_2ch.txt:Nov 23 11:43:28 s02srv002ch sbd: [97640]: WARN: CIB: > We do NOT have quorum! > > ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: > > message_2ch.txt:Nov 23 11:43:28 node02 sbd: [97640]: WARN: CIB: We do > NOT have quorum! > message_2ch.txt:Nov 23 11:43:28 node02 sbd: [97637]: WARN: Pacemaker > health check: UNHEALTHY > message_2ch.txt:Nov 23 11:43:28 node02 pengine: [97679]: WARN: > custom_action: Action stonith-sbd_stop_0 on node01 is unrunnable > (offline) > message_2ch.txt:Nov 23 11:43:28 node02 sbd: [157717]: info: Delivery > process handling /dev/mapper/SBD01B0298700230 > message_2ch.txt:Nov 23 11:43:28 node02 sbd: [157717]: info: Writing > reset to node slot node01 > message_2ch.txt:Nov 23 11:43:28 node02 sbd: [157717]: info: Messaging delay: > 40 > > :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: > > Thanks > > 2014-11-26 10:26 GMT+01:00 Dejan Muhamedagic <deja...@fastmail.fm>: > > Hi, > > > > On Tue, Nov 25, 2014 at 04:20:32PM +0100, emmanuel segura wrote: > >> Hi list, > >> > >> The last night, i had a cluster in fencing race using sbd as stonith > > > > Can you give a bit more details. > > > >> device, i would like to know what is the effect to use start-delay in > >> my stonith resource in this way: > >> > >> primitive stonith-sbd stonith:external/sbd \ > >> params sbd_device="/dev/mapper/SBD \ > >> op start interval="0" start-delay="5" > > > > Yes, that could help with a stonith deathmatch. Normally, you > > have a stonith resource running on one node. On split brain, the > > other node also starts the resource in order to shoot the first > > node. That's where start-delay comes into play. > > > > Ultimate resource for the issue: http://ourobengr.com/ha/ > > > > Cheers, > > > > Dejan > > > >> Thanks > >> > >> _______________________________________________ > >> 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 > > > > -- > esta es mi vida e me la vivo hasta que dios quiera > > _______________________________________________ > 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
