[DRBD-user] DRBD resource monitoring exits with code 8 on Pacemaker cluster

Giuseppe Ragusa giuseppe.ragusa at hotmail.com
Wed Jul 16 00:44:18 CEST 2014

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


Hi all,
I have a CMAN+Pacemaker cluster on CentOS 6.5 with DRBD primary/secondary resources backing some KVM VirtualDomain resources.

Recently I manually disabled all KVM resources (while leaving the DRBD ones untouched) then put both nodes in standby to apply some updates (nothing that could actually touch KVM/DRBD, but I took this course of actions for safety) and finally rebooted both nodes too.

After bootup I reverted with "pcs cluster unstandby --all" and re-enabled each KVM resource.
Everything came up correctly but I now have these recurring lines in my corosync.log (basically rc=8 for each and every DRBD resource):

drbd(DatabaseVMDisk)[19424]:    2014/07/16_00:24:04 DEBUG: database_vm: Exit code 0
drbd(ShareVMDisk)[19426]:       2014/07/16_00:24:04 DEBUG: share_vm: Exit code 0
drbd(ShareDataDisk)[19425]:     2014/07/16_00:24:04 DEBUG: share_data: Exit code 0
drbd(DatabaseVMDisk)[19424]:    2014/07/16_00:24:04 DEBUG: database_vm: Command output:
drbd(ShareVMDisk)[19426]:       2014/07/16_00:24:04 DEBUG: share_vm: Command output:
Jul 16 00:24:04 [6428] cluster1.verolengo.privatelan       lrmd:    debug: operation_finished:  DatabaseVMDisk_monitor_31000:19424 - exited with rc=8
Jul 16 00:24:04 [6428] cluster1.verolengo.privatelan       lrmd:    debug: operation_finished:  DatabaseVMDisk_monitor_31000:19424:stderr [ -- empty -- ]
Jul 16 00:24:04 [6428] cluster1.verolengo.privatelan       lrmd:    debug: operation_finished:  DatabaseVMDisk_monitor_31000:19424:stdout [  ]
Jul 16 00:24:04 [6428] cluster1.verolengo.privatelan       lrmd:    debug: log_finished:        finished - rsc:DatabaseVMDisk action:monitor call_id:254 pid:19424 exit-code:8 exec-time:0ms queue-time:0ms
Jul 16 00:24:04 [6428] cluster1.verolengo.privatelan       lrmd:    debug: operation_finished:  ShareVMDisk_monitor_31000:19426 - exited with rc=8
Jul 16 00:24:04 [6428] cluster1.verolengo.privatelan       lrmd:    debug: operation_finished:  ShareVMDisk_monitor_31000:19426:stderr [ -- empty -- ]
Jul 16 00:24:04 [6428] cluster1.verolengo.privatelan       lrmd:    debug: operation_finished:  ShareVMDisk_monitor_31000:19426:stdout [  ]
Jul 16 00:24:04 [6428] cluster1.verolengo.privatelan       lrmd:    debug: log_finished:        finished - rsc:ShareVMDisk action:monitor call_id:252 pid:19426 exit-code:8 exec-time:0ms queue-time:0ms
drbd(ShareDataDisk)[19425]:     2014/07/16_00:24:04 DEBUG: share_data: Command output:
Jul 16 00:24:04 [6428] cluster1.verolengo.privatelan       lrmd:    debug: operation_finished:  ShareDataDisk_monitor_31000:19425 - exited with rc=8
Jul 16 00:24:04 [6428] cluster1.verolengo.privatelan       lrmd:    debug: operation_finished:  ShareDataDisk_monitor_31000:19425:stderr [ -- empty -- ]
Jul 16 00:24:04 [6428] cluster1.verolengo.privatelan       lrmd:    debug: operation_finished:  ShareDataDisk_monitor_31000:19425:stdout [  ]
Jul 16 00:24:04 [6428] cluster1.verolengo.privatelan       lrmd:    debug: log_finished:        finished - rsc:ShareDataDisk action:monitor call_id:257 pid:19425 exit-code:8 exec-time:0ms queue-time:0ms
Jul 16 00:24:19 [6428] cluster1.verolengo.privatelan       lrmd:    debug: recurring_action_timer:      Scheduling another invokation of FirewallVMDisk_monitor_29000
Jul 16 00:24:19 [6428] cluster1.verolengo.privatelan       lrmd:    debug: recurring_action_timer:      Scheduling another invokation of DCVMDisk_monitor_29000
Jul 16 00:24:19 [6428] cluster1.verolengo.privatelan       lrmd:    debug: recurring_action_timer:      Scheduling another invokation of ApplicationVMDisk_monitor_29000
drbd(DCVMDisk)[19783]:  2014/07/16_00:24:19 DEBUG: dc_vm: Calling /usr/sbin/crm_master -Q -l reboot -v 10000
drbd(ApplicationVMDisk)[19784]: 2014/07/16_00:24:19 DEBUG: application_vm: Calling /usr/sbin/crm_master -Q -l reboot -v 10000
drbd(FirewallVMDisk)[19782]:    2014/07/16_00:24:19 DEBUG: firewall_vm: Calling /usr/sbin/crm_master -Q -l reboot -v 10000

>From some searching it seems to imply that DRBD came up outside of RA control, so I wonder how I could avoid this in the future and how I could clean it up now.

Many thanks in advance.

Regards,
Giuseppe Ragusa
 		 	   		  
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