Red Hat CLUSTER FOR ENTERPRISE LINUX 5.0 Configuration Manual page 111

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
# 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>
<lockserver name="gulmserver1"/>
<lockserver name="gulmserver2"/>
<lockserver name="gulmserver3"/>
</gulm>
Example C.1. GULM XML Elements and Content
.
as follows:
/sbin/chkconfig
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