Introduction .............................................................................................................. vii
1. Document Conventions ................................................................................ viii
2. Feedback ......................................................................................................ix
1. Red Hat Cluster Configuration and Management Overview ....................................... 1
1. Configuration Basics ...................................................................................... 1
1.1. Setting Up Hardware ........................................................................... 1
1.2. Installing Red Hat Cluster software ....................................................... 2
1.3. Configuring Red Hat Cluster Software .................................................. 2
2. Conga ........................................................................................................... 4
3. system-config-cluster Cluster Administration GUI ....................................... 7
3.1. Cluster Configuration Tool ................................................................ 8
3.2. Cluster Status Tool ...........................................................................10
4. Command Line Administration Tools ..............................................................11
2. Before Configuring a Red Hat Cluster .....................................................................13
1. Compatible Hardware ....................................................................................13
2. Enabling IP Ports ..........................................................................................13
2.1. Enabling IP Ports on Cluster Nodes .....................................................13
2.2. Enabling IP Ports on Computers That Run luci ....................................14
2.3. Examples of iptables Rules ..............................................................15
3. Configuring ACPI For Use with Integrated Fence Devices ................................17
3.1. Disabling ACPI Soft-Off with chkconfig Management ..........................18
3.2. Disabling ACPI Soft-Off with the BIOS .................................................19
3.3. Disabling ACPI Completely in the grub.conf File .................................21
4. Considerations for Configuring HA Services ....................................................22
5. Configuring max_luns ....................................................................................23
6. Considerations for Using Quorum Disk ...........................................................23
7. Multicast Addresses ......................................................................................24
8. Considerations for Using Conga ....................................................................25
9. General Configuration Considerations ............................................................25
3. Configuring Red Hat Cluster With Conga ...............................................................27
1. Configuration Tasks ......................................................................................27
2. Starting luci and ricci ...................................................................................28
3. Creating A Cluster .........................................................................................29
4. Global Cluster Properties ...............................................................................30
5. Configuring Fence Devices ............................................................................32
5.1. Creating a Shared Fence Device .........................................................34
5.2. Modifying or Deleting a Fence Device ..................................................36
6. Configuring Cluster Members .........................................................................36
6.1. Initially Configuring Members ..............................................................36
6.2. Adding a Member to a Running Cluster ...............................................37
6.3. Deleting a Member from a Cluster .......................................................38
7. Configuring a Failover Domain .......................................................................39
7.1. Adding a Failover Domain ...................................................................41
7.2. Modifying a Failover Domain ...............................................................41
8. Adding Cluster Resources .............................................................................43
9. Adding a Cluster Service to the Cluster ..........................................................43
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