Red Hat GFS 5.2.1 -, Administrator'S Manual

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Chapter 9. Managing GFS 105
n01#
ls /gfs/log/
fileA
n02#
ls /gfs/log/
fileB
n03#
ls /gfs/log/
fileC
9.14. Shutting Down a GFS Cluster
To cleanly shut down a GFS cluster, perform the following steps:
1. Unmount all GFS file systems on all nodes. Refer to Section 9.3 Unmounting a File System for
more information.
2. Shut down all LOCK_GULM servers. Refer to Section 8.2.5 Shutting Down a LOCK_GULM
Server for more information.
3. Kill the CCS daemon on all nodes.
4. Deactivate all pools on all nodes. Refer to Section 5.6
Activating/Deactivating a Pool Volume
for more information.
9.15. Restarting a GFS Cluster
When restarting a GFS cluster, perform the following steps.
Tip
You may want to automate some of the steps in the system’s startup scripts.
Note
The GFS kernel modules must be loaded prior to performing these steps. Refer to Section 3.2.3
Loading the GFS Kernel Modules for more information.
1. At each node, activate pools. Refer to Section 5.6 Activating/Deactivating a Pool Volume for
more information.
Command usage:
pool_assemble
2. At each node, start the CCS daemon, specifying the CCA device on at the command line. Refer
to Section 7.2 Starting CCS in the Cluster for more information.
Command usage:
ccsd -d CCADevice