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[Linux-cluster] Fencing node automatically...



Hi,

 

On my two node cluster which got configured inRHEL 6.2 (with ctdb + gfs2 + rgmanager + cman), primary node fences the secondary node automatically ( in random). During this fence the message appears in the primary server is as follows:

 

Dec 30 05:23:49 filesrv1 corosync[9065]:   [TOTEM ] A processor failed, forming new configuration.

Dec 30 05:23:51 filesrv1 corosync[9065]:   [QUORUM] Members[1]: 1

Dec 30 05:23:51 filesrv1 corosync[9065]:   [TOTEM ] A processor joined or left the membership and a new membership was formed.

Dec 30 05:23:51 filesrv1 kernel: dlm: closing connection to node 2

Dec 30 05:23:51 filesrv1 corosync[9065]:   [CPG   ] chosen downlist: sender r(0) ip(10.0.0.10) ; members(old:2 left:1)

Dec 30 05:23:51 filesrv1 corosync[9065]:   [MAIN  ] Completed service synchronization, ready to provide service.

Dec 30 05:23:51 filesrv1 rgmanager[12491]: State change: clustsrv2 DOWN

Dec 30 05:23:51 filesrv1 fenced[9122]: fencing node clustsrv2

Dec 30 05:23:51 filesrv1 kernel: GFS2: fsid=samba:ctdb.1: jid=0: Trying to acquire journal lock...

Dec 30 05:23:51 filesrv1 kernel: GFS2: fsid=samba:gen01.1: jid=0: Trying to acquire journal lock...

Dec 30 05:23:57 filesrv1 kernel: bnx2 0000:04:00.0: eth4: NIC Copper Link is Down

Dec 30 05:23:57 filesrv1 kernel: bnx2 0000:03:00.1: eth3: NIC Copper Link is Down

Dec 30 05:23:57 filesrv1 kernel: bonding: bond1: link status definitely down for interface eth3, disabling it

Dec 30 05:23:57 filesrv1 kernel: bonding: bond1: now running without any active interface !

Dec 30 05:23:57 filesrv1 kernel: bonding: bond1: link status definitely down for interface eth4, disabling it

Dec 30 05:23:58 filesrv1 kernel: bnx2 0000:03:00.1: eth3: NIC Copper Link is Up, 100 Mbps full duplex, receive & transmit flow control ON

Dec 30 05:23:58 filesrv1 kernel: bnx2 0000:04:00.0: eth4: NIC Copper Link is Up, 100 Mbps full duplex, receive & transmit flow control ON

Dec 30 05:23:58 filesrv1 kernel: bond1: link status definitely up for interface eth3, 100 Mbps full duplex.

Dec 30 05:23:58 filesrv1 kernel: bonding: bond1: making interface eth3 the new active one.

Dec 30 05:23:58 filesrv1 kernel: bonding: bond1: first active interface up!

Dec 30 05:23:58 filesrv1 kernel: bond1: link status definitely up for interface eth4, 100 Mbps full duplex.

Dec 30 05:23:59 filesrv1 kernel: bnx2 0000:04:00.0: eth4: NIC Copper Link is Down

Dec 30 05:23:59 filesrv1 kernel: bnx2 0000:03:00.1: eth3: NIC Copper Link is Down

Dec 30 05:23:59 filesrv1 kernel: bonding: bond1: link status definitely down for interface eth3, disabling it

Dec 30 05:23:59 filesrv1 kernel: bonding: bond1: now running without any active interface !

Dec 30 05:23:59 filesrv1 kernel: bonding: bond1: link status definitely down for interface eth4, disabling it

Dec 30 05:24:00 filesrv1 fenced[9122]: fence clustsrv2 success

 

Can anyone please help why this is happening.

 

 

Thanks

 

Sathya Narayanan V

Solution Architect   

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