Deleting A Member From A Cluster - Red Hat ENTERPRISE LINUX 5 - ADMINISTRATION Manual

Chapter 5. Configuring Red Hat Cluster With system-config-cluster
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.

5.5.3. 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
d. At that dialog box, click Yes to confirm deletion.
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(Figure 5.6, "Confirm Deleting a Member").