Red Hat GFS 6.1 -, Administrator'S Manual

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Appendix A.
Upgrading GFS
To upgrade a node to Red Hat GFS 6.1 from earlier versions of Red Hat GFS, you must
convert the GFS cluster configuration archive (CCA) to a Red Hat Cluster Suite cluster con-
figuration system (CCS) configuration file (
/etc/cluster/cluster.conf
) and convert
GFS
pool
volumes to LVM2 volumes.
This appendix contains instructions for upgrading from GFS 6.0 (or GFS 5.2.1) to Red Hat
GFS 6.1, using GULM as the lock manager.
Note
You must retain GULM lock management for the upgrade to Red Hat GFS 6.1; that is,
you cannot change from GULM lock management to DLM lock management during the
upgrade to Red Hat GFS 6.1. However, after the upgrade to GFS 6.1, you can change
lock managers. Refer to Red Hat Cluster Suite Configuring and Managing a Cluster for
information about changing lock managers.
The following procedure demonstrates upgrading to Red Hat GFS 6.1 from a GFS 6.0 (or
GFS 5.2.1) configuration with an example
pool
configuration for a pool volume named
argus (refer to Example A-1).
poolname argus
subpools 1
subpool 0 512 1 gfs_data
pooldevice 0 0 /dev/sda1
Example A-1. Example
pool
Configuration Information for Pool Volume Named ar-
gus
1. Halt the GFS nodes and the lock server nodes as follows:
a. Unmount GFS file systems from all nodes.
b. Stop the lock servers; at each lock server node, stop the lock server as follows:
#
service lock_gulmd stop
c. Stop
ccsd
at all nodes; at each node, stop
ccsd
as follows:
#
service ccsd stop