[ClusterLabs] single node fails to start the ocfs2 resource

Muhammad Sharfuddin M.Sharfuddin at nds.com.pk
Mon Mar 12 01:28:44 EDT 2018 

On 3/12/2018 7:32 AM, Gang He wrote:
> Hello Muhammad,
>
> I think this problem is not in ocfs2, the cause looks like the cluster quorum is missed.
> For two-node cluster (does not three-node cluster), if one node is offline, the quorum will be missed by default.
> So, you should configure two-node related quorum setting according to the pacemaker manual.
> Then, DLM can work normal, and ocfs2 resource can start up.
Yes its configured accordingly, no-quorum is set to "ignore".

property cib-bootstrap-options: \
          have-watchdog=true \
          stonith-enabled=true \
          stonith-timeout=80 \
          startup-fencing=true \
          no-quorum-policy=ignore

>
> Thanks
> Gang
>
>
>> Hi,
>>
>> This two node cluster starts resources when both nodes are online but
>> does not start the ocfs2 resources
>>
>> when one node is offline. e.g if I gracefully stop the cluster resources
>> then stop the pacemaker service on
>>
>> either node, and try to start the ocfs2 resource on the online node, it
>> fails.
>>
>> logs:
>>
>> pipci001 pengine[17732]:   notice: Start   dlm:0#011(pipci001)
>> pengine[17732]:   notice: Start   p-fssapmnt:0#011(pipci001)
>> pengine[17732]:   notice: Start   p-fsusrsap:0#011(pipci001)
>> pipci001 pengine[17732]:   notice: Calculated transition 2, saving
>> inputs in /var/lib/pacemaker/pengine/pe-input-339.bz2
>> pipci001 crmd[17733]:   notice: Processing graph 2
>> (ref=pe_calc-dc-1520613202-31) derived from
>> /var/lib/pacemaker/pengine/pe-input-339.bz2
>> crmd[17733]:   notice: Initiating start operation dlm_start_0 locally on
>> pipci001
>> lrmd[17730]:   notice: executing - rsc:dlm action:start call_id:69
>> dlm_controld[19019]: 4575 dlm_controld 4.0.7 started
>> lrmd[17730]:   notice: finished - rsc:dlm action:start call_id:69
>> pid:18999 exit-code:0 exec-time:1082ms queue-time:1ms
>> crmd[17733]:   notice: Result of start operation for dlm on pipci001: 0 (ok)
>> crmd[17733]:   notice: Initiating monitor operation dlm_monitor_60000
>> locally on pipci001
>> crmd[17733]:   notice: Initiating start operation p-fssapmnt_start_0
>> locally on pipci001
>> lrmd[17730]:   notice: executing - rsc:p-fssapmnt action:start call_id:71
>> Filesystem(p-fssapmnt)[19052]: INFO: Running start for
>> /dev/mapper/sapmnt on /sapmnt
>> kernel: [ 4576.529938] dlm: Using TCP for communications
>> kernel: [ 4576.530233] dlm: BFA9FF042AA045F4822C2A6A06020EE9: joining
>> the lockspace group.
>> dlm_controld[19019]: 4629 fence work wait for quorum
>> dlm_controld[19019]: 4634 BFA9FF042AA045F4822C2A6A06020EE9 wait for quorum
>> lrmd[17730]:  warning: p-fssapmnt_start_0 process (PID 19052) timed out
>> kernel: [ 4636.418223] dlm: BFA9FF042AA045F4822C2A6A06020EE9: group
>> event done -512 0
>> kernel: [ 4636.418227] dlm: BFA9FF042AA045F4822C2A6A06020EE9: group join
>> failed -512 0
>> lrmd[17730]:  warning: p-fssapmnt_start_0:19052 - timed out after 60000ms
>> lrmd[17730]:   notice: finished - rsc:p-fssapmnt action:start call_id:71
>> pid:19052 exit-code:1 exec-time:60002ms queue-time:0ms
>> kernel: [ 4636.420628] ocfs2: Unmounting device (254,1) on (node 0)
>> crmd[17733]:    error: Result of start operation for p-fssapmnt on
>> pipci001: Timed Out
>> crmd[17733]:  warning: Action 11 (p-fssapmnt_start_0) on pipci001 failed
>> (target: 0 vs. rc: 1): Error
>> crmd[17733]:   notice: Transition aborted by operation
>> p-fssapmnt_start_0 'modify' on pipci001: Event failed
>> crmd[17733]:  warning: Action 11 (p-fssapmnt_start_0) on pipci001 failed
>> (target: 0 vs. rc: 1): Error
>> crmd[17733]:   notice: Transition 2 (Complete=5, Pending=0, Fired=0,
>> Skipped=0, Incomplete=6,
>> Source=/var/lib/pacemaker/pengine/pe-input-339.bz2): Complete
>> pengine[17732]:   notice: Watchdog will be used via SBD if fencing is
>> required
>> pengine[17732]:   notice: On loss of CCM Quorum: Ignore
>> pengine[17732]:  warning: Processing failed op start for p-fssapmnt:0 on
>> pipci001: unknown error (1)
>> pengine[17732]:  warning: Processing failed op start for p-fssapmnt:0 on
>> pipci001: unknown error (1)
>> pengine[17732]:  warning: Forcing base-clone away from pipci001 after
>> 1000000 failures (max=2)
>> pengine[17732]:  warning: Forcing base-clone away from pipci001 after
>> 1000000 failures (max=2)
>> pengine[17732]:   notice: Stop    dlm:0#011(pipci001)
>> pengine[17732]:   notice: Stop    p-fssapmnt:0#011(pipci001)
>> pengine[17732]:   notice: Calculated transition 3, saving inputs in
>> /var/lib/pacemaker/pengine/pe-input-340.bz2
>> pengine[17732]:   notice: Watchdog will be used via SBD if fencing is
>> required
>> pengine[17732]:   notice: On loss of CCM Quorum: Ignore
>> pengine[17732]:  warning: Processing failed op start for p-fssapmnt:0 on
>> pipci001: unknown error (1)
>> pengine[17732]:  warning: Processing failed op start for p-fssapmnt:0 on
>> pipci001: unknown error (1)
>> pengine[17732]:  warning: Forcing base-clone away from pipci001 after
>> 1000000 failures (max=2)
>> pipci001 pengine[17732]:  warning: Forcing base-clone away from pipci001
>> after 1000000 failures (max=2)
>> pengine[17732]:   notice: Stop    dlm:0#011(pipci001)
>> pengine[17732]:   notice: Stop    p-fssapmnt:0#011(pipci001)
>> pengine[17732]:   notice: Calculated transition 4, saving inputs in
>> /var/lib/pacemaker/pengine/pe-input-341.bz2
>> crmd[17733]:   notice: Processing graph 4 (ref=pe_calc-dc-1520613263-36)
>> derived from /var/lib/pacemaker/pengine/pe-input-341.bz2
>> crmd[17733]:   notice: Initiating stop operation p-fssapmnt_stop_0
>> locally on pipci001
>> lrmd[17730]:   notice: executing - rsc:p-fssapmnt action:stop call_id:72
>> Filesystem(p-fssapmnt)[19189]: INFO: Running stop for /dev/mapper/sapmnt
>> on /sapmnt
>> pipci001 lrmd[17730]:   notice: finished - rsc:p-fssapmnt action:stop
>> call_id:72 pid:19189 exit-code:0 exec-time:83ms queue-time:0ms
>> pipci001 crmd[17733]:   notice: Result of stop operation for p-fssapmnt
>> on pipci001: 0 (ok)
>> crmd[17733]:   notice: Initiating stop operation dlm_stop_0 locally on
>> pipci001
>> pipci001 lrmd[17730]:   notice: executing - rsc:dlm action:stop call_id:74
>> pipci001 dlm_controld[19019]: 4636 shutdown ignored, active lockspaces
>>
>>
>> resource configuration:
>>
>> primitive p-fssapmnt Filesystem \
>>           params device="/dev/mapper/sapmnt" directory="/sapmnt"
>> fstype=ocfs2 \
>>           op monitor interval=20 timeout=40 \
>>           op start timeout=60 interval=0 \
>>           op stop timeout=60 interval=0
>> primitive dlm ocf:pacemaker:controld \
>>           op monitor interval=60 timeout=60 \
>>           op start interval=0 timeout=90 \
>>           op stop interval=0 timeout=100
>> clone base-clone base-group \
>>           meta interleave=true target-role=Started
>>
>> cluster properties:
>> property cib-bootstrap-options: \
>>           have-watchdog=true \
>>           stonith-enabled=true \
>>           stonith-timeout=80 \
>>           startup-fencing=true \
>>
>>
>> Software versions:
>>
>> kernel version: 4.4.114-94.11-default
>> pacemaker-1.1.16-4.8.x86_64
>> corosync-2.3.6-9.5.1.x86_64
>> ocfs2-kmp-default-4.4.114-94.11.3.x86_64
>> ocfs2-tools-1.8.5-1.35.x86_64
>> dlm-kmp-default-4.4.114-94.11.3.x86_64
>> libdlm3-4.0.7-1.28.x86_64
>> libdlm-4.0.7-1.28.x86_64
>>
>>
>> -- 
>> Regards,
>> Muhammad Sharfuddin
>>
>>
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--
Regards,
Muhammad Sharfuddin

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