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[Linux-cluster] AS 4.0 with GFS 6.1 cluster not working



 
Hello,
 
We have lot of AS 4.0 GFS 6.0 clusters in our firm working fine.
However recently we are upgrading our clusters to GFS 6.1
 
From what we have seen so far is once we upgraded to GFS 6.1 our failover test is failing.
 
So far we have conducted failover tests using 2 scenario
1.) Manually reboot one of the node in cluster using HP-iLO interface sending fence_ilo command from one of the nodes - the command works fine and host does reboot.
2.) Pulling out network cables of one of the host in the cluster.
 
We have 4 node cluster.
 
Problem is with either of the above tests, gfs hangs and clustat starts reporting only member information. No service information.
Clustat displays following message:
"Timeout : Resource Manager not responding"
 
The gfs just keeps hanging for untill we manually intervene and bring the halted node up.
 
It seems fencing is not working or rgmanager is flawed and cannot process/parse information.
 
Has anybody experienced this situation? Any remedy?
 
-Thanks
Tushar
 
 

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