During system shutdown or reboot , clvmd service fails with the error "Can't deactivate volume group" on RHEL 5.5
Issue
- System shutdown order for clvmd and gfs/gfs2 seems incorrect.
- The systems would hang during a reboot because they couldn't deactivate the clustered logical volume groups when stopping the clvmd system service.While the 5.5 system reboots, the deactivation of a volume group with a GFS filesystem fails, because the system first tries to deactivate the volume group before unmounting the GFS filesystem. Subsequentially, stopping of the cman system service fails.

Environment
-
Red Hat Enterprise Linux Server release 5.5 (Tikanga)
-
lvm2-cluster-2.02.56-7.el5
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