On 30/06/2013, at 10:09 PM, Lars Marowsky-Bree <l...@suse.com> wrote:
> Hi, > > sbd connects to the CIB and watches updates come in to see if pacemaker > considers the node healthy still, and if the cluster partition is > quorate according to the CIB. That's all working fine. > > But I've noticed that during start-up of a regular cluster, sbd would > get disconnected briefly: > > Jun 30 14:02:57 hex-1 sbd: [22662]: info: Node state: online > Jun 30 14:02:57 hex-1 sbd: [22654]: info: Pacemaker health check: OK > Jun 30 14:02:57 hex-1 pengine[22687]: notice: unpack_config: On loss of CCM > Quorum: Ignore > [... pengine, probing, initial resource start-up etc go here ] > Jun 30 14:03:34 hex-1 cib[22683]: notice: crm_ipc_prepare: Message exceeds > the configured ipc limit (51200 bytes), consider configuring PCMK_ipc_buffer > to 106180 or higher to avoid compression overheads > [...] > Jun 30 14:03:34 hex-1 crmd[22688]: notice: process_lrm_event: LRM operation > drbd-r0_monitor_31000 (call=142, rc=8, cib-update=1 > 61, confirmed=false) master > Jun 30 14:03:34 hex-1 crmd[22688]: notice: process_lrm_event: > hex-1-drbd-r0_monitor_31000:142 [ \n ] > Jun 30 14:03:34 hex-1 sbd: [22662]: WARN: Disconnected from CIB > [...] > Jun 30 14:03:36 hex-1 crmd[22688]: notice: run_graph: Transition 1 > (Complete=37, Pending=0, Fired=0, Skipped=20, Incomplete=2, > Source=/var/lib/pacemaker/pengine/pe-input-3829.bz2): Stopped > > The disconnect handler is installed via cib->cmds->set_connection_dnotify(cib, > mon_cib_connection_destroy); sbd is not self-disconnecting here. > > So I wonder if this is a normal occurrence? It doesn't seem to be related to > the IPC limit; those messages occur at other times and nothing happens. What > could cause the server side to disconnect from a CIB client? > > Anything I should worry about? I would say so, because I can't think of a valid reason for it to happen. You'll probably want to use the blackbox to diagnose this. Reproducible or random? _______________________________________________ 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