Jump To Close Expand all Collapse all Table of contents Cluster Administration Introduction Expand section "Introduction" Collapse section "Introduction" 1. Feedback 1. Red Hat Cluster Configuration and Management Overview Expand section "1. Red Hat Cluster Configuration and Management Overview" Collapse section "1. Red Hat Cluster Configuration and Management Overview" 1.1. Configuration Basics Expand section "1.1. Configuration Basics" Collapse section "1.1. Configuration Basics" 1.1.1. Setting Up Hardware 1.1.2. Installing Red Hat Cluster software 1.1.3. Configuring Red Hat Cluster Software 1.2. Conga 1.3. system-config-cluster Cluster Administration GUI Expand section "1.3. system-config-cluster Cluster Administration GUI" Collapse section "1.3. system-config-cluster Cluster Administration GUI" 1.3.1. Cluster Configuration Tool 1.3.2. Cluster Status Tool 1.4. Command Line Administration Tools 2. Before Configuring a Red Hat Cluster Expand section "2. Before Configuring a Red Hat Cluster" Collapse section "2. Before Configuring a Red Hat Cluster" 2.1. General Configuration Considerations 2.2. Compatible Hardware 2.3. Enabling IP Ports Expand section "2.3. Enabling IP Ports" Collapse section "2.3. Enabling IP Ports" 2.3.1. Enabling IP Ports on Cluster Nodes 2.3.2. Enabling IP Ports on Computers That Run luci 2.4. Configuring ACPI For Use with Integrated Fence Devices Expand section "2.4. Configuring ACPI For Use with Integrated Fence Devices" Collapse section "2.4. Configuring ACPI For Use with Integrated Fence Devices" 2.4.1. Disabling ACPI Soft-Off with chkconfig Management 2.4.2. Disabling ACPI Soft-Off with the BIOS 2.4.3. Disabling ACPI Completely in the grub.conf File 2.5. Considerations for Configuring HA Services 2.6. Configuring max_luns 2.7. Considerations for Using Quorum Disk 2.8. Red Hat Cluster Suite and SELinux 2.9. Multicast Addresses 2.10. Configuring the iptables Firewall to Allow Cluster Components 2.11. Considerations for Using Conga 2.12. Configuring Virtual Machines in a Clustered Environment 3. Configuring Red Hat Cluster With Conga Expand section "3. Configuring Red Hat Cluster With Conga" Collapse section "3. Configuring Red Hat Cluster With Conga" 3.1. Configuration Tasks 3.2. Starting luci and ricci 3.3. Creating A Cluster 3.4. Global Cluster Properties 3.5. Configuring Fence Devices Expand section "3.5. Configuring Fence Devices" Collapse section "3.5. Configuring Fence Devices" 3.5.1. Creating a Shared Fence Device 3.5.2. Modifying or Deleting a Fence Device 3.6. Configuring Cluster Members Expand section "3.6. Configuring Cluster Members" Collapse section "3.6. Configuring Cluster Members" 3.6.1. Initially Configuring Members 3.6.2. Adding a Member to a Running Cluster 3.6.3. Deleting a Member from a Cluster 3.7. Configuring a Failover Domain Expand section "3.7. Configuring a Failover Domain" Collapse section "3.7. Configuring a Failover Domain" 3.7.1. Adding a Failover Domain 3.7.2. Modifying a Failover Domain 3.8. Adding Cluster Resources 3.9. Adding a Cluster Service to the Cluster 3.10. Configuring Cluster Storage 4. Managing Red Hat Cluster With Conga Expand section "4. Managing Red Hat Cluster With Conga" Collapse section "4. Managing Red Hat Cluster With Conga" 4.1. Starting, Stopping, and Deleting Clusters 4.2. Managing Cluster Nodes 4.3. Managing High-Availability Services 4.4. Backing Up and Restoring the luci Configuration 4.5. Diagnosing and Correcting Problems in a Cluster 5. Configuring Red Hat Cluster With system-config-cluster Expand section "5. Configuring Red Hat Cluster With system-config-cluster" Collapse section "5. Configuring Red Hat Cluster With system-config-cluster" 5.1. Configuration Tasks 5.2. Starting the Cluster Configuration Tool 5.3. Configuring Cluster Properties 5.4. Configuring Fence Devices 5.5. Adding and Deleting Members Expand section "5.5. Adding and Deleting Members" Collapse section "5.5. Adding and Deleting Members" 5.5.1. Adding a Member to a Cluster 5.5.2. Adding a Member to a Running Cluster 5.5.3. Deleting a Member from a Cluster 5.6. Configuring a Failover Domain Expand section "5.6. Configuring a Failover Domain" Collapse section "5.6. Configuring a Failover Domain" 5.6.1. Adding a Failover Domain 5.6.2. Removing a Failover Domain 5.6.3. Removing a Member from a Failover Domain 5.7. Adding Cluster Resources 5.8. Adding a Cluster Service to the Cluster Expand section "5.8. Adding a Cluster Service to the Cluster" Collapse section "5.8. Adding a Cluster Service to the Cluster" 5.8.1. Relocating a Service in a Cluster 5.9. Propagating The Configuration File: New Cluster 5.10. Starting the Cluster Software 6. Managing Red Hat Cluster With system-config-cluster Expand section "6. Managing Red Hat Cluster With system-config-cluster" Collapse section "6. Managing Red Hat Cluster With system-config-cluster" 6.1. Starting and Stopping the Cluster Software 6.2. Managing High-Availability Services 6.3. Modifying the Cluster Configuration 6.4. Backing Up and Restoring the Cluster Database 6.5. Disabling Resources of a Clustered Service for Maintenance 6.6. Disabling the Cluster Software 6.7. Diagnosing and Correcting Problems in a Cluster A. Example of Setting Up Apache HTTP Server Expand section "A. Example of Setting Up Apache HTTP Server" Collapse section "A. Example of Setting Up Apache HTTP Server" A.1. Apache HTTP Server Setup Overview A.2. Configuring Shared Storage A.3. Installing and Configuring the Apache HTTP Server B. Fence Device Parameters C. HA Resource Parameters D. HA Resource Behavior Expand section "D. HA Resource Behavior" Collapse section "D. HA Resource Behavior" D.1. Parent, Child, and Sibling Relationships Among Resources D.2. Sibling Start Ordering and Resource Child Ordering Expand section "D.2. Sibling Start Ordering and Resource Child Ordering" Collapse section "D.2. Sibling Start Ordering and Resource Child Ordering" D.2.1. Typed Child Resource Start and Stop Ordering D.2.2. Non-typed Child Resource Start and Stop Ordering D.3. Inheritance, the <resources> Block, and Reusing Resources D.4. Failure Recovery and Independent Subtrees D.5. Debugging and Testing Services and Resource Ordering E. Cluster Service Resource Check and Failover Timeout Expand section "E. Cluster Service Resource Check and Failover Timeout" Collapse section "E. Cluster Service Resource Check and Failover Timeout" E.1. Modifying the Resource Status Check Interval E.2. Enforcing Resource Timeouts E.3. Changing Consensus Timeout F. High Availabilty LVM (HA-LVM) Expand section "F. High Availabilty LVM (HA-LVM)" Collapse section "F. High Availabilty LVM (HA-LVM)" F.1. Configuring HA-LVM Failover with CLVM (preferred, Red Hat Enterprise Linux 5.6 and later) F.2. Configuring HA-LVM Failover with Tagging G. Upgrading A Red Hat Cluster from RHEL 4 to RHEL 5 H. Revision History Index Legal Notice Settings Close Language: English Format: Multi-page Single-page PDF Format: Multi-page Single-page PDF Language and Page Formatting Options Language: English Format: Multi-page Single-page PDF Format: Multi-page Single-page PDF Red Hat Training A Red Hat training course is available for Red Hat Enterprise Linux 4.5. Diagnosing and Correcting Problems in a Cluster For information about diagnosing and correcting problems in a cluster, contact an authorized Red Hat support representative. Previous Next