Red Hat ENTERPRISE LINUX 5 - ADMINISTRATION Manual page 4

Cluster Administration
4. Managing Red Hat Cluster With Conga
4.1. Starting, Stopping, and Deleting Clusters ..................................................................... 43
4.2. Managing Cluster Nodes ............................................................................................ 44
4.3. Managing High-Availability Services ............................................................................ 45
4.4. Diagnosing and Correcting Problems in a Cluster ......................................................... 46
5. Configuring Red Hat Cluster With system-config-cluster
5.1. Configuration Tasks .................................................................................................... 47
5.2. Starting the Cluster Configuration Tool ..................................................................... 48
5.3. Configuring Cluster Properties ..................................................................................... 53
5.4. Configuring Fence Devices ......................................................................................... 54
5.5. Adding and Deleting Members .................................................................................... 55
5.5.1. Adding a Member to a Cluster .......................................................................... 55
5.5.2. Adding a Member to a Running Cluster ............................................................ 56
5.5.3. Deleting a Member from a Cluster .................................................................... 58
5.6. Configuring a Failover Domain .................................................................................... 59
5.6.1. Adding a Failover Domain ................................................................................ 60
5.6.2. Removing a Failover Domain ........................................................................... 62
5.6.3. Removing a Member from a Failover Domain .................................................... 63
5.7. Adding Cluster Resources .......................................................................................... 63
5.8. Adding a Cluster Service to the Cluster ....................................................................... 64
5.9. Propagating The Configuration File: New Cluster ......................................................... 67
5.10. Starting the Cluster Software ..................................................................................... 67
6. Managing Red Hat Cluster With system-config-cluster
6.1. Starting and Stopping the Cluster Software .................................................................. 69
6.2. Managing High-Availability Services ............................................................................ 69
6.3. Modifying the Cluster Configuration ............................................................................. 71
6.4. Backing Up and Restoring the Cluster Database .......................................................... 72
6.5. Disabling the Cluster Software .................................................................................... 73
6.6. Diagnosing and Correcting Problems in a Cluster ......................................................... 74
A. Example of Setting Up Apache HTTP Server
A.1. Apache HTTP Server Setup Overview ........................................................................ 75
A.2. Configuring Shared Storage ........................................................................................ 75
A.3. Installing and Configuring the Apache HTTP Server ..................................................... 76
B. Fence Device Parameters
C. HA Resource Parameters
D. HA Resource Behavior
D.1. Parent, Child, and Sibling Relationships Among Resources .......................................... 96
D.2. Sibling Start Ordering and Resource Child Ordering ..................................................... 96
D.2.1. Typed Child Resource Start and Stop Ordering ................................................. 97
D.2.2. Non-typed Child Resource Start and Stop Ordering ........................................... 99
D.3. Inheritance, the <resources> Block, and Reusing Resources ...................................... 101
D.4. Failure Recovery and Independent Subtrees ............................................................. 102
D.5. Debugging and Testing Services and Resource Ordering ............................................ 102
E. Upgrading A Red Hat Cluster from RHEL 4 to RHEL 5
F. Revision History
Index
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43
47
69
75
79
85
95
105
109
111