Installation guide

# gfs_tool sb /dev/my_vg/gfs1 proto lock_dlm

You shouldn't change any of these values if the filesystem is mounted.

Are you sure? [y/n] y

current lock protocol name = "lock_gulm"

new lock protocol name = "lock_dlm"

Done

6. Update the software in the cluster nodes to RHEL 5 and Red Hat Cluster Suite for RHEL 5.

You can acquire and update software through Red Hat Network channels for RHEL 5 and

Red Hat Cluster Suite for RHEL 5.

7. Run lvmconf --enable-cluster.

8. Enable cluster software to start upon reboot. At each node run /sbin/chkconfig as follows:

# chkconfig --level 2345 rgmanager on

# chkconfig --level 2345 gfs on

# chkconfig --level 2345 clvmd on

# chkconfig --level 2345 cman on

9. Reboot the nodes. The RHEL 5 cluster software should start while the nodes reboot. Upon

verification that the Red Hat cluster is running, the upgrade is complete.

<gulm>

</gulm>

Example C.1. GULM XML Elements and Content

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