Getting message "/etc/cluster/cluster.conf contains malformed XML" while generating sosreport in Red Hat Enterprise Linux 5.

Issue

• Getting message "/etc/cluster/cluster.conf contains malformed XML" while generating sosreport even though the cluster has not been configured, gfs2 fs is not in use nor cluster or gfs2 rpms are installed.

[root@dhcp233-52 ~]# sosreport 

sosreport (version 1.7)

This command will collect diagnostic and configuration information from
this Red Hat Enterprise Linux system and installed applications.

An archive containing the collected information will be generated in
/tmp and may be provided to a Red Hat support representative.

Any information provided to Red Hat will be treated in accordance with
the published support policies at:

  https://access.redhat.com/support/

The generated archive may contain data considered sensitive and its
content should be reviewed by the originating organization before being
passed to any third party.

No changes will be made to system configuration.

Press ENTER to continue, or CTRL-C to quit.

One or more plugins have detected a problem in your configuration.
Please review the following messages:

gfs2:
    * /etc/cluster/cluster.conf contains malformed XML   <<<<<<<<<<<<<<<<<<<<<<<<

Are you sure you would like to continue (y/n) ? n
[root@dhcp233-52 ~]#