>> On Thursday 28 July 2022 at 22:17:01, john tillman wrote: >> >>> I have a two cluster setup with a qdevice. 'pcs quorum status' from a >>> cluster node shows the qdevice casting a vote. On the qdevice node >>> 'corosync-qnetd-tool -s' says I have 2 connected clients and 1 cluster. >>> The vote count looks correct when I shutdown either one of the cluster >>> nodes or the qdevice. So the voting seems to be working at this point. >> >> Indeed - shutting down 1 of 3 nodes leaves quorum intact, therefore >> everything >> still awake knows what's going on. >> >>> From this state, if I reboot both my cluster nodes at the same time >> >> Ugh! >> >>> but leave the qdevice node running, the cluster will not see the >>> qdevice >>> when the nodes come back up: 'pcs quorum status' show 3 votes expected >>> but >>> only 2 votes cast (from the cluster nodes). >> >> I would think this is to be expected, since if you reboot 2 out of 3 >> nodes, >> you completely lose quorum, so the single node left has no idea what to >> trust >> when the other nodes return. > > No, no. I do have quorum after the reboots. It is courtesy of the 2 > cluster nodes casting their quorum votes. However, the qdevice is not > casting a vote so I am down to 2 out of 3 nodes. > > And the qdevice is not part of the cluster. It will never have any > resources running on it. Its job is just to vote. > > -John >
I thought maybe the problem was that the network wasn't ready when corosync.service started so I forced a "ExecStartPre=/usr/bin/sleep 10" into it but that didn't change anything. I could still use some advice with debugging this oddity. Or have I used up my quota of questions this year :-) -John >> >> Starting from a situation such as this, your only hope is to rebuilt the >> cluster from scratch, IMHO. >> >> >> Antony. >> >> -- >> Police have found a cartoonist dead in his house. They say that details >> are >> currently sketchy. >> >> Please reply to the >> list; >> please *don't* >> CC >> me. >> _______________________________________________ >> Manage your subscription: >> https://lists.clusterlabs.org/mailman/listinfo/users >> >> ClusterLabs home: https://www.clusterlabs.org/ >> >> > > > _______________________________________________ > Manage your subscription: > https://lists.clusterlabs.org/mailman/listinfo/users > > ClusterLabs home: https://www.clusterlabs.org/ > > _______________________________________________ Manage your subscription: https://lists.clusterlabs.org/mailman/listinfo/users ClusterLabs home: https://www.clusterlabs.org/