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Shared disk hang when doing EMS Server failover

Bruce Yip

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I have setup a Redhat Linux Cluster for EMS FT. However, when doing a failover test of unplug power of a machine, the shared GFS2 file system hang so that the standby EMS Server unable to become active.


1. Two Redhat Linux machines with configured Redhat Linux Cluster (Corosync) with shared SAN of GFS2 file system

2. After doing a unplug power of the machine with active EMS Server running, the standby EMS Server at another machine cannot become active due to the shared directory is hang. i.e. When doing a "ls" command on the shared directory, no result return and it hang there.

See anyone has met this issue before or any idea on that



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