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[Linux-cluster] node fenced by dlm_controld on a clean shutdown



Hi,

I am setting up a cluster using:

Linux kernel 3.6.6
Corosync 2.1.0
DLM 4.0.0
CLVMD 2.02.98
Pacemaker 1.1.8
DRBD 8.3.13

Now I have stuck on the 'clean shutdown of a node' scenario.

It goes like that:
- resources using the shared storage are properly stopped by Pacemaker.
- DRBD is cleanly demoted and unconfigured by Pacemaker
- Pacemaker cleanly exits
- CLVMD is stopped.
– dlm_controld is stopped
– corosync is being stopped

and at this point the node is fenced (rebooted) by the dlm_controld on
the other node. I would expect it continue with a clean shutdown.

Any idea how to debug/fix it?
Is this '541 cpg_dispatch error 9' the problem?

Logs from the node being shut down (log file system mounted with the 'sync'
option, syslog shutdown delayed as much as possible):

Kernel:
Nov 19 09:49:40 dev1n2 kernel: : [  542.049407] block drbd0: worker terminated
Nov 19 09:49:40 dev1n2 kernel: : [  542.049412] block drbd0: Terminating drbd0_worker
Nov 19 09:49:43 dev1n2 kernel: : [  544.934390] dlm: clvmd: leaving the lockspace group...
Nov 19 09:49:43 dev1n2 kernel: : [  544.937584] dlm: clvmd: group event done 0 0
Nov 19 09:49:43 dev1n2 kernel: : [  544.937897] dlm: clvmd: release_lockspace final free
Nov 19 09:49:43 dev1n2 kernel: : [  544.961407] dlm: closing connection to node 2
Nov 19 09:49:43 dev1n2 kernel: : [  544.961431] dlm: closing connection to node 1

User space:
Nov 19 09:49:41 dev1n2 pacemakerd[1267]:   notice: stop_child: Stopping cib: Sent -15 to process 1279
Nov 19 09:49:41 dev1n2 notifyd[1139]: [notice] dev1n2[2] stonithd:1281:0x7fc423dfd5e0 is now disconnected from corosync
Nov 19 09:49:41 dev1n2 cib[1279]:   notice: terminate_cs_connection: Disconnecting from Corosync
Nov 19 09:49:41 dev1n2 corosync[1130]:  [TOTEM ] Retransmit List: 1db
Nov 19 09:49:41 dev1n2 notifyd[1139]: [notice] dev1n2[2] cib:1279:0x7fc4240008d0 is now disconnected from corosync
Nov 19 09:49:41 dev1n2 cib[1279]:   notice: terminate_cs_connection: Disconnecting from Corosync
Nov 19 09:49:41 dev1n2 corosync[1130]:  [TOTEM ] Retransmit List: 1dd
Nov 19 09:49:41 dev1n2 pacemakerd[1267]:   notice: pcmk_shutdown_worker: Shutdown complete
Nov 19 09:49:41 dev1n2 notifyd[1139]: [notice] dev1n2[2] pacemakerd:1267:0x7fc423bf8ed0 is now disconnected from corosync
Nov 19 09:49:41 dev1n2 notifyd[1139]: [notice] dev1n2[2] pacemakerd:1267:0x7fc423bf7660 is now disconnected from corosync
Nov 19 09:49:41 dev1n2 corosync[1130]:  [TOTEM ] Retransmit List: 1de
Nov 19 09:49:41 dev1n2 corosync[1130]:  [TOTEM ] Retransmit List: 1de
Nov 19 09:49:41 dev1n2 corosync[1130]:  [TOTEM ] Retransmit List: 1e1
Nov 19 09:49:41 dev1n2 corosync[1130]:  [TOTEM ] Retransmit List: 1e1
Nov 19 09:49:43 dev1n2 dlm_controld[1142]: 541 cpg_dispatch error 9
Nov 19 09:49:43 dev1n2 corosync[1130]:  [TOTEM ] Retransmit List: 1e7
Nov 19 09:49:43 dev1n2 corosync[1130]:  [TOTEM ] Retransmit List: 1e7
Nov 19 09:49:43 dev1n2 corosync[1130]:  [SERV  ] Unloading all Corosync service engines.
Nov 19 09:49:43 dev1n2 corosync[1130]:  [QB    ] withdrawing server sockets
Nov 19 09:49:43 dev1n2 corosync[1130]:  [SERV  ] Service engine unloaded: corosync vote quorum service v1.0
Nov 19 09:49:43 dev1n2 corosync[1130]:  [QB    ] withdrawing server sockets
Nov 19 09:49:43 dev1n2 corosync[1130]:  [SERV  ] Service engine unloaded: corosync configuration map access
Nov 19 09:49:43 dev1n2 corosync[1130]:  [QB    ] withdrawing server sockets
Nov 19 09:49:43 dev1n2 corosync[1130]:  [SERV  ] Service engine unloaded: corosync configuration service
Nov 19 09:49:43 dev1n2 corosync[1130]:  [QB    ] withdrawing server sockets
Nov 19 09:49:43 dev1n2 corosync[1130]:  [SERV  ] Service engine unloaded: corosync cluster closed process group service v1.01
Nov 19 09:49:43 dev1n2 corosync[1130]:  [QB    ] withdrawing server sockets
Nov 19 09:49:43 dev1n2 corosync[1130]:  [SERV  ] Service engine unloaded: corosync cluster quorum service v0.1
Nov 19 09:49:43 dev1n2 corosync[1130]:  [SERV  ] Service engine unloaded: corosync profile loading service
Nov 19 09:49:43 dev1n2 corosync[1130]:  [WD    ] magically closing the watchdog.
Nov 19 09:49:43 dev1n2 corosync[1130]:  [SERV  ] Service engine unloaded: corosync watchdog service
Nov 19 09:49:43 dev1n2 corosync[1130]:  [MAIN  ] Corosync Cluster Engine exiting normally


Logs from the surviving node:

Kernel:
Nov 19 09:49:39 dev1n1 kernel: : [80664.615988] block drbd0: conn( Unconnected -> WFConnection )
Nov 19 09:49:42 dev1n1 kernel: : [80667.497187] dlm: clvmd: dlm_recover 11
Nov 19 09:49:42 dev1n1 kernel: : [80667.497241] dlm: clvmd: dlm_clear_toss 1 done
Nov 19 09:49:42 dev1n1 kernel: : [80667.497291] dlm: clvmd: remove member 2
Nov 19 09:49:42 dev1n1 kernel: : [80667.497295] dlm: clvmd: dlm_recover_members 1 nodes
Nov 19 09:49:42 dev1n1 kernel: : [80667.497298] dlm: clvmd: generation 15 slots 1 1:1
Nov 19 09:49:42 dev1n1 kernel: : [80667.497300] dlm: clvmd: dlm_recover_directory
Nov 19 09:49:42 dev1n1 kernel: : [80667.497302] dlm: clvmd: dlm_recover_directory 0 in 0 new
Nov 19 09:49:42 dev1n1 kernel: : [80667.497304] dlm: clvmd: dlm_recover_directory 0 out 0 messages
Nov 19 09:49:42 dev1n1 kernel: : [80667.497307] dlm: clvmd: dlm_recover_masters
Nov 19 09:49:42 dev1n1 kernel: : [80667.497309] dlm: clvmd: dlm_recover_masters 0 of 1
Nov 19 09:49:42 dev1n1 kernel: : [80667.497311] dlm: clvmd: dlm_recover_locks 0 out
Nov 19 09:49:42 dev1n1 kernel: : [80667.497313] dlm: clvmd: dlm_recover_locks 0 in
Nov 19 09:49:42 dev1n1 kernel: : [80667.497314] dlm: clvmd: dlm_recover_rsbs 1 done
Nov 19 09:49:42 dev1n1 kernel: : [80667.497366] dlm: clvmd: dlm_recover 11 generation 15 done: 0 ms
Nov 19 09:49:43 dev1n1 kernel: : [80668.211818] dlm: closing connection to node 2
Nov 19 09:49:46 dev1n1 kernel: : [80670.779015] igb: p1p2 NIC Link is Down

User space:
Nov 19 09:49:40 dev1n1 pengine[1078]:   notice: stage6: Scheduling Node dev1n2 for shutdown
Nov 19 09:49:40 dev1n1 pengine[1078]:    error: rsc_expand_action: Couldn't expand vpbx_vg_cl_demote_0
Nov 19 09:49:40 dev1n1 pengine[1078]:    error: rsc_expand_action: Couldn't expand vpbx_vg_cl_demote_0
Nov 19 09:49:40 dev1n1 pengine[1078]:   notice: LogActions: Stop    stonith-dev1n1      (dev1n2)
Nov 19 09:49:40 dev1n1 pengine[1078]:   notice: process_pe_message: Calculated Transition 17: /var/lib/pacemaker/pengine/pe-input-1035.bz2
Nov 19 09:49:40 dev1n1 corosync[1004]:  [TOTEM ] Retransmit List: 1d1
Nov 19 09:49:40 dev1n1 crmd[1080]:   notice: run_graph: Transition 17 (Complete=2, Pending=0, Fired=0, Skipped=0, Incomplete=0, Source=/var/lib/pacemaker/pengine/pe-input-1035.bz2): Complete
Nov 19 09:49:40 dev1n1 crmd[1080]:   notice: do_state_transition: State transition S_TRANSITION_ENGINE -> S_IDLE [ input=I_TE_SUCCESS cause=C_FSA_INTERNAL origin=notify_crmd ]
Nov 19 09:49:40 dev1n1 corosync[1004]:  [TOTEM ] Retransmit List: 1d4 
Nov 19 09:49:40 dev1n1 corosync[1004]:  [TOTEM ] Retransmit List: 1d6 1d8 
Nov 19 09:49:40 dev1n1 corosync[1004]:  [TOTEM ] Retransmit List: 1d6 
Nov 19 09:49:40 dev1n1 corosync[1004]:  [TOTEM ] Retransmit List: 1d6 
Nov 19 09:49:40 dev1n1 crmd[1080]:   notice: peer_update_callback: do_shutdown of dev1n2 (op 63) is complete
Nov 19 09:49:40 dev1n1 corosync[1004]:  [TOTEM ] Retransmit List: 1df 
Nov 19 09:49:40 dev1n1 corosync[1004]:  [TOTEM ] Retransmit List: 1df 
Nov 19 09:49:40 dev1n1 corosync[1004]:  [TOTEM ] Retransmit List: 1e3  
Nov 19 09:49:40 dev1n1 corosync[1004]:  [TOTEM ] Retransmit List: 1e3 
Nov 19 09:49:42 dev1n1 corosync[1004]:  [TOTEM ] Retransmit List: 1e6 
Nov 19 09:49:42 dev1n1 corosync[1004]:  [TOTEM ] Retransmit List: 1e9 
Nov 19 09:49:43 dev1n1 corosync[1004]:  [QUORUM] Members[1]: 1
Nov 19 09:49:43 dev1n1 crmd[1080]:   notice: corosync_mark_unseen_peer_dead: Node 2/dev1n2 was not seen in the previous transition
Nov 19 09:49:43 dev1n1 crmd[1080]:   notice: crm_update_peer_state: corosync_mark_unseen_peer_dead: Node dev1n2[2] - state is now lost
Nov 19 09:49:43 dev1n1 corosync[1004]:  [TOTEM ] A processor joined or left the membership and a new membership (10.28.45.27:30736) was formed. 
Nov 19 09:49:43 dev1n1 corosync[1004]:  [MAIN  ] Completed service synchronization, ready to provide service.
Nov 19 09:49:43 dev1n1 dlm_controld[1014]: 80664 fence request 2 pid 27225 nodedown time 1353314983 fence_all dlm_stonith
Nov 19 09:49:43 dev1n1 notifyd[1010]: [notice] 192.168.1.2[2] ip:192.168.1.2 left
Nov 19 09:49:43 dev1n1 stonith-ng[1075]:   notice: stonith_command: Client stonith-api.27225.b5ff8f4d wants to fence (reboot) '2' with device '(any)'
Nov 19 09:49:43 dev1n1 stonith-ng[1075]:   notice: initiate_remote_stonith_op: Initiating remote operation reboot for dev1n2: 71447261-0e53-4b20-b628-d3f026a4ae24 (0)
Nov 19 09:49:44 dev1n1 external/ipmi[27242]: [27254]: debug: ipmitool output: Chassis Power Control: Reset
Nov 19 09:49:45 dev1n1 stonith-ng[1075]:   notice: log_operation: Operation 'reboot' [27234] (call 0 from stonith-api.27225) for host 'dev1n2' with device 'stonith-dev1n2' returned: 0 (OK)
Nov 19 09:49:45 dev1n1 stonith-ng[1075]:   notice: remote_op_done: Operation reboot of dev1n2 by dev1n1 for stonith-api 27225 dev1n1 71447261: OK
Nov 19 09:49:45 dev1n1 crmd[1080]:   notice: tengine_stonith_notify: Peer dev1n2 was terminated (st_notify_fence) by dev1n1 for dev1n1: OK (ref=71447261-0e53-4b20-b628-d3f026a4ae24) by client stonith-api.27225

Greets,
        Jacek


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