Red Hat Cluster Suite, Руководство пользователя

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Chapter 4. Cluster Administration 71
To monitor the cluster and display status at specific time intervals from a shell prompt,
invoke
clustat
with the
-i
time
option, where
time
specifies the number of seconds
between status snapshots. The following example causes the
clustat
utility to display
cluster status every 10 seconds:
#
clustat -i 10
4.3. Starting and Stopping the Cluster Software
To start the cluster software on a member, type the following commands in this order:
1.
service ccsd start
2.
service lock_gulmd start
or
service cman start
according to the type
of lock manager used
3.
service fenced start
(DLM clusters only)
4.
service clvmd start
5.
service gfs start
, if you are using Red Hat GFS
6.
service rgmanager start
To stop the cluster software on a member, type the following commands in this order:
1.
service rgmanager stop
2.
service gfs stop
, if you are using Red Hat GFS
3.
service clvmd stop
4.
service fenced stop
(DLM clusters only)
5.
service lock_gulmd stop
or
service cman stop
according to the type of
lock manager used
6.
service ccsd stop
Stopping the cluster services on a member causes its services to fail over to an active
member.
4.4. Modifying the Cluster Configuration
To modify the cluster configuration (the cluster configuration file
(
/etc/cluster/cluster.conf
), use the
Cluster Configuration Tool
. For more
information about using the Cluster Configuration Tool , refer to Chapter 3 Installing
and Configuring Red Hat Cluster Suite Software .