Red Hat GFS 5.2.1 -, Administrator'S Manual

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124 Appendix A. Upgrading GFS
Difference GFS 5.1.x GFS 5.2.x
Configuration File Device CIDEV CCA Device
Configuration Tool
gfs_conf ccs_tool
Configuration Files
gfs.cf license.ccs
,
cluster.ccs
,
nodes.ccs
,
fence.ccs
Table A-1. Configuration Differences
A.1.2. GFS License
In GFS 5.1.x, the license file had to be installed using
gfs_tool
when the file system was first
mounted after creation. In GFS 5.2.x, the license file,
license.ccs
, is one of the CCS configuration
files saved on the CCA device. There is no step needed to install the license after the CCS files have
been written to the CCA device.
Table A-2 summarizes the GFS license installation difference between GFS 5.1.x and GFS 5.2.x.
Difference GFS 5.1.x GFS 5.2.x
License Installation
gfs_tool
and
setlicense
commands used for installing
license
license.ccs
file is among
configuration files on CCA
device
Table A-2. GFS License Installation Differences
A.1.3. GFS LockProto
If the LOCK_GULM locking method was used with GFS 5.1.x, the
LockProto
field in the GFS
superblock does not need to be changed. If the LOCK_DMEP locking method was used with GFS
5.1.x, the
LockProto
field in the superblock needs to be changed to begin using LOCK_GULM.
(Although LOCK_DMEP is still supported in GFS 5.2.x, LOCK_GULM is the recommended locking
method.)
A.1.4. GFS LockTable
The string used as the GFS
LockTable
when a file system is created (the
gfs_mkfs
command with
the
-t
option) has been changed. In GFS 5.1.x, the
LockProto
field is
FSName
for LOCK_GULM,
and
CIDEVName
for LOCK_DMEP. In GFS 5.2.x, the
LockProto
field is a compound expression,
ClusterName:FSName
. (A colon with no spaces separates
ClusterName
and
FSName
.)
Table A-3 summarizes the differences in command usage for
LockTable
between GFS 5.1.x and
GFS 5.2.x.
Difference GFS 5.1.x GFS 5.2.x
LOCK_GULM
Command Usage
gfs_mkfs -t FSName... gfs_mkfs -t ClusterName:FSName
LOCK_DMEP
Command Usage
gfs_mkfs -t
CIDEVName...
gfs_mkfs -t ClusterName:FSName
Table A-3. GFS LockTable Installation Differences