Deleting A Member From A Dlm Cluster - Red Hat ENTERPRISE LINUX 4 - ADMINISTRATION Manual

Chapter 5. Configuring Red Hat Cluster With system-config-cluster
c. service fenced start
d. service clvmd start, if CLVM has been used to create clustered volumes
e. service gfs start, if you are using Red Hat GFS
f. service rgmanager start, if the cluster is running high-availability services (rgmanager)
5. Start system-config-cluster (refer to
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.
Note
Make sure to configure other parameters that may be affected by changes in this section.
Section 5.1, "Configuration
Refer to

5.5.3. Deleting a Member from a DLM Cluster

To delete a member from an existing DLM cluster that is currently in operation, follow these steps:
1. At one of the running nodes (not at a node to be deleted), start system-config-cluster (refer
Section 5.2, "Starting the Cluster Configuration
to
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, if the cluster is running high-availability services (rgmanager)
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 fenced stop
e. service cman stop
f.
service ccsd stop
3. At system-config-cluster (running on a node that is not to be deleted), in the Cluster
Configuration Tool tab, 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
58
Section 5.2, "Starting the Cluster Configuration
Tasks".
Tool"). At the Cluster Status Tool tab, under
(Figure 5.7, "Confirm Deleting a Member").
Tool").