How can I test whether rgmanager will restart any resources when I update my cluster configuration in RHEL 5 or 6?

Solution Unverified - Updated -

Issue

  • I need to update my cluster.conf, but I want to check if rgmanager will restart any critical resources.

  • When updating the cluster.conf to change the dependency tree, the service stopped all the resources causing an unexpected outage

Apr 27 15:07:34 node1 ccsd[10432]: Update of cluster.conf complete (version 42 -> 43).
Apr 27 15:07:43 node1 clurgmgrd[20916]: <notice> Reconfiguring
Apr 27 15:07:43 node1 clurgmgrd[20916]: <info> Loading Service Data
Apr 27 15:07:43 node1 clurgmgrd[20916]: <info> Applying new configuration #43
Apr 27 15:07:43 node1 clurgmgrd[20916]: <info> Stopping changed resources.
Apr 27 15:07:44 node1 clurgmgrd: [20916]: <info> unmounting /data1
Apr 27 15:07:44 node1 multipathd: dm-84: umount map (uevent)
Apr 27 15:07:44 node1 clurgmgrd: [20916]: <info> unmounting /data2

Environment

  • Red Hat Enterprise Linux (RHEL) 5 or 6 with the High Availability Add On

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