Managing Red Hat Cluster With System-Config-Cluster; Starting And Stopping The Cluster Software; Managing High-Availability Services - Red Hat Cluster for Enterprise Linux 5 Configuration

Chapter 5. Managing Red Hat Cluster
This chapter describes various administrative tasks for managing a Red Hat Cluster and con-
sists of the following sections:
• Section 1, "Starting and Stopping the Cluster Software"
• Section 2, "Managing High-Availability Services"
• Section 4, "Backing Up and Restoring the Cluster Database"
• Section 5, "Disabling the Cluster Software"
• Section 6, "Diagnosing and Correcting Problems in a Cluster"
1. Starting and Stopping the Cluster Soft-
ware
To start the cluster software on a member, type the following commands in this order:
1.
service cman start
2.
service clvmd start
3.
service gfs start
4.
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
3.
service clvmd stop
4.
service cman stop
Stopping the cluster services on a member causes its services to fail over to an active member.

2. Managing High-Availability Services

You can manage cluster services with the Cluster Status Tool (Figure 5.1, "Cluster Status
Tool") through the Cluster Management tab in Cluster Administration GUI.
With
system-config-cluster
, if you are using Red Hat GFS
, if you are using Red Hat GFS
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