Red Hat GFS 6.1 Administrator's Manual page 79

Appendix A. Upgrading GFS
8. At the first node to mount a GFS file system, run the
option as shown in the following example:
upgrade
# mount -t gfs -o upgrade /dev/pool/argus /mnt/gfs1
Note
This step only needs to be done once — on the first mount of the GFS file system.
Note
If static minor numbers were used on
using LVM2 for other purposes (root file system) there may be problems activating
the
pool
to the following Bugzilla report for more information:
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=146035
volumes under GFS 6.1. That is because of static minor conflicts. Refer
mount
volumes and the GFS 6.1 nodes are
pool
65
command with the