Snapshots are valid for non-clustered volumes. Conga does not stop an administrator from trying to create a cluster snap. Then the operation fails with an ugly error message. Ideally, Conga would check for the validity of the operation before offering as an option to the user; perhaps during the storage scan.
Moving to 4.6 request, did not get into 4.5 release.
An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on the solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHBA-2007-0982.html