Red Hat CLUSTER FOR ENTERPRISE LINUX 5.0, Руководство по настройке

Страница: 75 / 114

2. Click Send to Cluster to propagate the updated configuration to other running nodes in the
cluster.
3. Use the
scp
command to send the updated
/etc/cluster/cluster.conf
file from one of
the existing cluster nodes to the new node.
4. Start cluster services on the new node by running the following commands in this order:
a.
service cman start
b.
service clvmd start
, if CLVM has been used to create clustered volumes
c.
service gfs start
, if you are using Red Hat GFS
d.
service rgmanager start
5. Start the Red Hat Cluster Suite management GUI. At the Cluster Configuration Tool tab,
verify that the configuration is correct. At the Cluster Status Tool tab verify that the nodes
and services are running as expected.
5.3. Deleting a Member from a Cluster
To delete a member from an existing cluster that is currently in operation, follow these steps:
1. At one of the running nodes (not to be removed), run the Red Hat Cluster Suite management
GUI. At the Cluster Status Tool tab, under Services, disable or relocate each service that is
running on the node to be deleted.
2. Stop the cluster software on the node to be deleted by running the following commands at
that node in this order:
a.
service rgmanager stop
b.
service gfs stop
, if you are using Red Hat GFS
c.
service clvmd stop
, if CLVM has been used to create clustered volumes
d.
service cman stop
3. At the Cluster Configuration Tool (on one of the running members), delete the member as
follows:
a. If necessary, click the triangle icon to expand the Cluster Nodes property.
b. Select the cluster node to be deleted. At the bottom of the right frame (labeled
Properties), click the Delete Node button.
c. Clicking the Delete Node button causes a warning dialog box to be displayed requesting
confirmation of the deletion ( Figure 5.6, “Confirm Deleting a Member” ).
Deleting a Member from a Cluster
65