Re: RHEL Cluster node fencing and cluster membership

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Hi ,
 
Are you select don't fail back in cluster policy?
What tool you use for create cluster luci or system-config-cluster?
Do you have quorum disk?
 
Regards,
 
Somsak (Linux Specialist HP Thailand)

On Sat, Jun 26, 2010 at 10:39 PM, Rajkumar, Anoop <anoop_rajkumar@xxxxxxxxx> wrote:

Hi

I have two dl585 with shared storage from MSA 1000 in a two node rhel 5.3 cluster. Priority in cluster.conf are like below.

<failoverdomainnode name="usrylxap237.merck.com" priority="1"/>
                                <failoverdomainnode name="usrylxap238.merck.com" priority="2"/>

Whenever lower priority node usrylxap238 Is rebooted it kills cman on usrylxap237 (Higher priority node) and fence it causing reboot of it. Message I see in /var/log/messages of higher priority node is

Jun 26 11:02:36 usrylxap237 openais[4750]: [CMAN ] cman killed by node 2 because we rejoined the cluster without a full restart

Jun 26 11:03:57 usrylxap237 openais[27373]: [CMAN ] cman killed by node 1 because we were killed by cman_tool or other application

After reboot when higher priority node usrylxap237 comes up it tranfers services from lower priority node to itself and everything works fine for some time. Then I see following message in /var/log/messages of higher priority node running services.

Jun 26 09:24:26 usrylxap237 openais[5792]: [TOTEM] The token was lost in the OPERATIONAL state.
Jun 26 09:24:26 usrylxap237 openais[5792]: [TOTEM] Receive multicast socket recv buffer size (2880
00 bytes).
Jun 26 09:24:26 usrylxap237 openais[5792]: [TOTEM] Transmit multicast socket send buffer size (288
000 bytes).
Jun 26 09:24:26 usrylxap237 openais[5792]: [TOTEM] entering GATHER state from 2.
Jun 26 09:24:26 usrylxap237 openais[5792]: [TOTEM] Creating commit token because I am the rep.
Jun 26 09:24:26 usrylxap237 openais[5792]: [TOTEM] Saving state aru 17 high seq received 17
Jun 26 09:24:26 usrylxap237 openais[5792]: [TOTEM] Storing new sequence id for ring 420
Jun 26 09:24:26 usrylxap237 openais[5792]: [TOTEM] entering COMMIT state.
Jun 26 09:24:36 usrylxap237 openais[5792]: [TOTEM] The token was lost in the COMMIT state.
Jun 26 09:24:36 usrylxap237 openais[5792]: [TOTEM] entering GATHER state from 4.
Jun 26 09:24:36 usrylxap237 openais[5792]: [TOTEM] Creating commit token because I am the rep.
Jun 26 09:24:36 usrylxap237 openais[5792]: [TOTEM] Storing new sequence id for ring 424
Jun 26 09:24:36 usrylxap237 openais[5792]: [TOTEM] entering COMMIT state.
Jun 26 09:24:46 usrylxap237 openais[5792]: [TOTEM] The token was lost in the COMMIT state.
Jun 26 09:24:46 usrylxap237 openais[5792]: [TOTEM] entering GATHER state from 4.
Jun 26 09:24:46 usrylxap237 openais[5792]: [TOTEM] Creating commit token because I am the rep.
Jun 26 09:24:46 usrylxap237 openais[5792]: [TOTEM] Storing new sequence id for ring 428
Jun 26 09:24:46 usrylxap237 openais[5792]: [TOTEM] entering COMMIT state.
Jun 26 09:24:54 usrylxap237 openais[5792]: [TOTEM] entering RECOVERY state.
Jun 26 09:24:54 usrylxap237 openais[5792]: [TOTEM] position [0] member 54.3.254.237:
Jun 26 09:24:54 usrylxap237 openais[5792]: [TOTEM] previous ring seq 1052 rep 54.3.254.237
Jun 26 09:24:54 usrylxap237 openais[5792]: [TOTEM] aru 17 high delivered 17 received flag 1
Jun 26 09:24:54 usrylxap237 openais[5792]: [TOTEM] position [1] member 54.3.254.238:
Jun 26 09:24:54 usrylxap237 openais[5792]: [TOTEM] previous ring seq 1052 rep 54.3.254.237
Jun 26 09:24:54 usrylxap237 openais[5792]: [TOTEM] aru 17 high delivered 17 received flag 1
Jun 26 09:24:54 usrylxap237 openais[5792]: [TOTEM] Did not need to originate any messages in recov
ery.
Jun 26 09:24:54 usrylxap237 openais[5792]: [TOTEM] Sending initial ORF token
Jun 26 09:24:54 usrylxap237 openais[5792]: [CLM  ] CLM CONFIGURATION CHANGE
Jun 26 09:24:54 usrylxap237 openais[5792]: [CLM  ] New Configuration:
Jun 26 09:24:54 usrylxap237 openais[5792]: [CLM  ]      r(0) ip(54.3.254.237)
Jun 26 09:24:54 usrylxap237 openais[5792]: [CLM  ]      r(0) ip(54.3.254.238)
Jun 26 09:24:54 usrylxap237 openais[5792]: [CLM  ] Members Left:
Jun 26 09:24:54 usrylxap237 openais[5792]: [CLM  ] Members Joined:
Jun 26 09:24:54 usrylxap237 openais[5792]: [CLM  ] CLM CONFIGURATION CHANGE
Jun 26 09:24:54 usrylxap237 openais[5792]: [CLM  ] New Configuration:
Jun 26 09:24:54 usrylxap237 openais[5792]: [CLM  ]      r(0) ip(54.3.254.237)
Jun 26 09:24:54 usrylxap237 openais[5792]: [CLM  ]      r(0) ip(54.3.254.238)
Jun 26 09:24:54 usrylxap237 openais[5792]: [CLM  ] Members Left:
Jun 26 09:24:54 usrylxap237 openais[5792]: [CLM  ] Members Joined:
Jun 26 09:24:54 usrylxap237 openais[5792]: [SYNC ] This node is within the primary component and w
ill provide service.
Jun 26 09:24:54 usrylxap237 openais[5792]: [TOTEM] entering OPERATIONAL state.
Jun 26 09:24:54 usrylxap237 openais[5792]: [CLM  ] got nodejoin message 54.3.254.237
Jun 26 09:24:54 usrylxap237 openais[5792]: [CLM  ] got nodejoin message 54.3.254.238
Jun 26 09:24:54 usrylxap237 openais[5792]: [CPG  ] got joinlist message from node 1
Jun 26 09:24:54 usrylxap237 openais[5792]: [CPG  ] got joinlist message from node 2
Jun 26 09:25:23 usrylxap237 openais[5792]: [TOTEM] The token was lost in the OPERATIONAL state.
Jun 26 09:25:23 usrylxap237 openais[5792]: [TOTEM] Receive multicast socket recv buffer size (2880
00 bytes).
Jun 26 09:25:23 usrylxap237 openais[5792]: [TOTEM] Transmit multicast socket send buffer size (288
000 bytes).
Jun 26 09:25:23 usrylxap237 openais[5792]: [TOTEM] entering GATHER state from 2.
Jun 26 09:25:23 usrylxap237 openais[5792]: [TOTEM] Creating commit token because I am the rep.
Jun 26 09:25:23 usrylxap237 openais[5792]: [TOTEM] Saving state aru 17 high seq received 17
Jun 26 09:25:23 usrylxap237 openais[5792]: [TOTEM] Storing new sequence id for ring 42c
Jun 26 09:25:23 usrylxap237 openais[5792]: [TOTEM] entering COMMIT state.
Jun 26 09:25:33 usrylxap237 openais[5792]: [TOTEM] Creating commit token because I am the rep.
Jun 26 09:25:33 usrylxap237 openais[5792]: [TOTEM] Storing new sequence id for ring 430
Jun 26 09:25:33 usrylxap237 openais[5792]: [TOTEM] entering COMMIT state.
Jun 26 09:25:33 usrylxap237 openais[5792]: [TOTEM] entering GATHER state from 13.
Jun 26 09:25:33 usrylxap237 openais[5792]: [TOTEM] Creating commit token because I am the rep.
Jun 26 09:25:33 usrylxap237 openais[5792]: [TOTEM] Storing new sequence id for ring 434
Jun 26 09:25:33 usrylxap237 openais[5792]: [TOTEM] entering COMMIT state.
Jun 26 09:25:43 usrylxap237 openais[5792]: [TOTEM] Creating commit token because I am the rep.
Jun 26 09:25:43 usrylxap237 openais[5792]: [TOTEM] Storing new sequence id for ring 438
Jun 26 09:25:43 usrylxap237 openais[5792]: [TOTEM] entering COMMIT state.
Jun 26 09:25:43 usrylxap237 openais[5792]: [TOTEM] entering GATHER state from 13.
Jun 26 09:25:43 usrylxap237 openais[5792]: [TOTEM] Creating commit token because I am the rep.


On the second node I can see

Jun 26 09:24:26 usrylxap238 openais[5725]: [TOTEM] entering GATHER state from 12.
Jun 26 09:24:26 usrylxap238 openais[5725]: [TOTEM] Saving state aru 17 high seq received 17
Jun 26 09:24:26 usrylxap238 openais[5725]: [TOTEM] Storing new sequence id for ring 420
Jun 26 09:24:26 usrylxap238 openais[5725]: [TOTEM] entering COMMIT state.
Jun 26 09:24:36 usrylxap238 openais[5725]: [TOTEM] entering GATHER state from 13.
Jun 26 09:24:36 usrylxap238 openais[5725]: [TOTEM] Storing new sequence id for ring 424
Jun 26 09:24:36 usrylxap238 openais[5725]: [TOTEM] entering COMMIT state.
Jun 26 09:24:46 usrylxap238 openais[5725]: [TOTEM] The token was lost in the COMMIT state.
Jun 26 09:24:46 usrylxap238 openais[5725]: [TOTEM] entering GATHER state from 4.
Jun 26 09:24:46 usrylxap238 openais[5725]: [TOTEM] Storing new sequence id for ring 428
Jun 26 09:24:46 usrylxap238 openais[5725]: [TOTEM] entering COMMIT state.
Jun 26 09:24:54 usrylxap238 openais[5725]: [TOTEM] entering RECOVERY state.
Jun 26 09:24:54 usrylxap238 openais[5725]: [TOTEM] position [0] member 54.3.254.237:
Jun 26 09:24:54 usrylxap238 openais[5725]: [TOTEM] previous ring seq 1052 rep 54.3.254.237
Jun 26 09:24:54 usrylxap238 openais[5725]: [TOTEM] aru 17 high delivered 17 received flag 1
Jun 26 09:24:54 usrylxap238 openais[5725]: [TOTEM] position [1] member 54.3.254.238:
Jun 26 09:24:54 usrylxap238 openais[5725]: [TOTEM] previous ring seq 1052 rep 54.3.254.237
Jun 26 09:24:54 usrylxap238 openais[5725]: [TOTEM] aru 17 high delivered 17 received flag 1
Jun 26 09:24:54 usrylxap238 openais[5725]: [TOTEM] Did not need to originate any messages in re
covery.
Jun 26 09:24:54 usrylxap238 openais[5725]: [CLM  ] CLM CONFIGURATION CHANGE
Jun 26 09:24:54 usrylxap238 openais[5725]: [CLM  ] New Configuration:
Jun 26 09:24:54 usrylxap238 openais[5725]: [CLM  ]      r(0) ip(54.3.254.237)
Jun 26 09:24:54 usrylxap238 openais[5725]: [CLM  ]      r(0) ip(54.3.254.238)
Jun 26 09:24:54 usrylxap238 openais[5725]: [CLM  ] Members Left:
Jun 26 09:24:54 usrylxap238 openais[5725]: [CLM  ] Members Joined:
Jun 26 09:24:54 usrylxap238 openais[5725]: [CLM  ] CLM CONFIGURATION CHANGE
Jun 26 09:24:54 usrylxap238 openais[5725]: [CLM  ] New Configuration:
Jun 26 09:24:54 usrylxap238 openais[5725]: [CLM  ]      r(0) ip(54.3.254.237)
Jun 26 09:24:54 usrylxap238 openais[5725]: [CLM  ]      r(0) ip(54.3.254.238)
Jun 26 09:24:54 usrylxap238 openais[5725]: [CLM  ] Members Left:
Jun 26 09:24:54 usrylxap238 openais[5725]: [CLM  ] Members Joined:
Jun 26 09:24:54 usrylxap238 openais[5725]: [SYNC ] This node is within the primary component an
d will provide service.
Jun 26 09:24:54 usrylxap238 openais[5725]: [TOTEM] entering OPERATIONAL state.
Jun 26 09:24:54 usrylxap238 openais[5725]: [CLM  ] got nodejoin message 54.3.254.237
Jun 26 09:24:54 usrylxap238 openais[5725]: [CLM  ] got nodejoin message 54.3.254.238
Jun 26 09:24:54 usrylxap238 openais[5725]: [CPG  ] got joinlist message from node 1
Jun 26 09:24:54 usrylxap238 openais[5725]: [CPG  ] got joinlist message from node 2
Jun 26 09:25:23 usrylxap238 openais[5725]: [TOTEM] entering GATHER state from 12.
Jun 26 09:25:23 usrylxap238 openais[5725]: [TOTEM] Saving state aru 17 high seq received 17
Jun 26 09:25:23 usrylxap238 openais[5725]: [TOTEM] Storing new sequence id for ring 42c
Jun 26 09:25:23 usrylxap238 openais[5725]: [TOTEM] entering COMMIT state.
Jun 26 09:25:33 usrylxap238 openais[5725]: [TOTEM] The token was lost in the COMMIT state.
Jun 26 09:25:33 usrylxap238 openais[5725]: [TOTEM] entering GATHER state from 4.
Jun 26 09:25:33 usrylxap238 openais[5725]: [TOTEM] Storing new sequence id for ring 430
Jun 26 09:25:33 usrylxap238 openais[5725]: [TOTEM] entering COMMIT state.
Jun 26 09:25:33 usrylxap238 openais[5725]: [TOTEM] entering GATHER state from 13.
Jun 26 09:25:33 usrylxap238 openais[5725]: [TOTEM] Storing new sequence id for ring 434
Jun 26 09:25:33 usrylxap238 openais[5725]: [TOTEM] entering COMMIT state.
Jun 26 09:25:43 usrylxap238 openais[5725]: [TOTEM] The token was lost in the COMMIT state.
Jun 26 09:25:43 usrylxap238 openais[5725]: [TOTEM] entering GATHER state from 4.
Jun 26 09:25:43 usrylxap238 openais[5725]: [TOTEM] Storing new sequence id for ring 438
Jun 26 09:25:43 usrylxap238 openais[5725]: [TOTEM] entering COMMIT state.
Jun 26 09:25:43 usrylxap238 openais[5725]: [TOTEM] entering GATHER state from 13.
Jun 26 09:25:43 usrylxap238 openais[5725]: [TOTEM] Storing new sequence id for ring 43c
Jun 26 09:25:43 usrylxap238 openais[5725]: [TOTEM] entering COMMIT state.
Jun 26 09:25:53 usrylxap238 openais[5725]: [TOTEM] The token was lost in the COMMIT state.
Jun 26 09:25:53 usrylxap238 openais[5725]: [TOTEM] entering GATHER state from 4.
Jun 26 09:25:53 usrylxap238 openais[5725]: [TOTEM] Storing new sequence id for ring 440
Jun 26 09:25:53 usrylxap238 openais[5725]: [TOTEM] entering COMMIT state.
Jun 26 09:25:54 usrylxap238 openais[5725]: [TOTEM] entering RECOVERY state.
Jun 26 09:25:54 usrylxap238 openais[5725]: [TOTEM] position [0] member 54.3.254.237:
Jun 26 09:25:54 usrylxap238 openais[5725]: [TOTEM] previous ring seq 1064 rep 54.3.254.237
Jun 26 09:25:54 usrylxap238 openais[5725]: [TOTEM] aru 17 high delivered 17 received flag 1
Jun 26 09:25:54 usrylxap238 openais[5725]: [TOTEM] position [1] member 54.3.254.238:
Jun 26 09:25:54 usrylxap238 openais[5725]: [TOTEM] previous ring seq 1064 rep 54.3.254.237
Jun 26 09:25:54 usrylxap238 openais[5725]: [TOTEM] aru 17 high delivered 17 received flag 1
Jun 26 09:25:54 usrylxap238 openais[5725]: [TOTEM] Did not need to originate any messages in re
covery.
Jun 26 09:25:54 usrylxap238 openais[5725]: [CLM  ] CLM CONFIGURATION CHANGE
Jun 26 09:25:54 usrylxap238 openais[5725]: [CLM  ] New Configuration:
Jun 26 09:25:54 usrylxap238 openais[5725]: [CLM  ]      r(0) ip(54.3.254.237)
Jun 26 09:25:54 usrylxap238 openais[5725]: [CLM  ]      r(0) ip(54.3.254.238)
Jun 26 09:25:54 usrylxap238 openais[5725]: [CLM  ] Members Left:
Jun 26 09:25:54 usrylxap238 openais[5725]: [CLM  ] Members Joined:
Jun 26 09:25:54 usrylxap238 openais[5725]: [CLM  ] CLM CONFIGURATION CHANGE
Jun 26 09:25:54 usrylxap238 openais[5725]: [CLM  ] New Configuration:
Jun 26 09:25:54 usrylxap238 openais[5725]: [CLM  ]      r(0) ip(54.3.254.237)
Jun 26 09:25:54 usrylxap238 openais[5725]: [CLM  ]      r(0) ip(54.3.254.238)
Jun 26 09:25:54 usrylxap238 openais[5725]: [CLM  ] Members Left:
Jun 26 09:25:54 usrylxap238 openais[5725]: [CLM  ] Members Joined:
Jun 26 09:25:54 usrylxap238 openais[5725]: [SYNC ] This node is within the primary component an
d will provide service.
Jun 26 09:25:54 usrylxap238 openais[5725]: [TOTEM] entering OPERATIONAL state.
Jun 26 09:25:54 usrylxap238 openais[5725]: [CLM  ] got nodejoin message 54.3.254.237
Jun 26 09:25:54 usrylxap238 openais[5725]: [CLM  ] got nodejoin message 54.3.254.238
Jun 26 09:25:54 usrylxap238 openais[5725]: [CPG  ] got joinlist message from node 1
Jun 26 09:25:54 usrylxap238 openais[5725]: [CPG  ] got joinlist message from node 2

Now my cluster is messed up. Even though clustat and cman_tool show everything is fine. As I can not move services between the node (they are running fine on present node). It even does not give any error message when I try to move them using clusvcadm.

[root@usrylxap238 ~]# clustat
Cluster Status for cluster1 @ Sat Jun 26 11:25:12 2010
Member Status: Quorate

 Member Name                             ID   Status
 ------ ----                             ---- ------
 usrylxap237.merck.com                       1 Online, rgmanager
 usrylxap238.merck.com                       2 Online, Local, rgmanager

 Service Name                   Owner (Last)                   State
 ------- ----                   ----- ------                   -----
 service:http-service           usrylxap237.merck.com          started
 service:mysql                  usrylxap237.merck.com          started
[root@usrylxap238 ~]# cman_tool status
Version: 6.1.0
Config Version: 32
Cluster Name: cluster1
Cluster Id: 26777
Cluster Member: Yes
Cluster Generation: 1276
Membership state: Cluster-Member
Nodes: 2
Expected votes: 1
Total votes: 2
Quorum: 1
Active subsystems: 9
Flags: 2node Dirty
Ports Bound: 0 11 177
Node name: usrylxap238.merck.com
Node ID: 2
Multicast addresses: 239.192.104.2
Node addresses: 54.3.254.238

I have clvmd running with locking_type = 3 and gfs2 file system mounted (using dlm) which now is hanging on higher priority node but is fine on lower priority node (Which seems is not part of cluster now).

[root@usrylxap237 ~]# service gfs2 status
Active GFS2 mountpoints:
/oracluster1

[root@usrylxap238 ~]# service gfs2 status
Configured GFS2 mountpoints:
/oracluster1
Active GFS2 mountpoints:
/oracluster1

Not sure why cluster is loosing membership and getting staled and GFS file system is not accessible.

Thanks
Anoop 

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