Jump To Close Expand all Collapse all Table of contents High Availability Add-On Reference 1. Red Hat High Availability Add-On Configuration and Management Reference Overview Expand section "1. Red Hat High Availability Add-On Configuration and Management Reference Overview" Collapse section "1. Red Hat High Availability Add-On Configuration and Management Reference Overview" 1.1. New and Changed Features Expand section "1.1. New and Changed Features" Collapse section "1.1. New and Changed Features" 1.1.1. New and Changed Features for Red Hat Enterprise Linux 7.1 1.1.2. New and Changed Features for Red Hat Enterprise Linux 7.2 1.1.3. New and Changed Features for Red Hat Enterprise Linux 7.3 1.1.4. New and Changed Features for Red Hat Enterprise Linux 7.4 1.1.5. New and Changed Features for Red Hat Enterprise Linux 7.5 1.1.6. New and Changed Features for Red Hat Enterprise Linux 7.8 1.2. Installing Pacemaker configuration tools 1.3. Configuring the iptables Firewall to Allow Cluster Components 1.4. The Cluster and Pacemaker Configuration Files 1.5. Cluster Configuration Considerations 1.6. Updating a Red Hat Enterprise Linux High Availability Cluster 1.7. Issues with Live Migration of VMs in a RHEL cluster 2. The pcsd Web UI Expand section "2. The pcsd Web UI" Collapse section "2. The pcsd Web UI" 2.1. pcsd Web UI Setup 2.2. Creating a Cluster with the pcsd Web UI Expand section "2.2. Creating a Cluster with the pcsd Web UI" Collapse section "2.2. Creating a Cluster with the pcsd Web UI" 2.2.1. Advanced Cluster Configuration Options 2.2.2. Setting Cluster Management Permissions 2.3. Configuring Cluster Components Expand section "2.3. Configuring Cluster Components" Collapse section "2.3. Configuring Cluster Components" 2.3.1. Cluster Nodes 2.3.2. Cluster Resources 2.3.3. Fence Devices 2.3.4. Configuring ACLs 2.3.5. Cluster Properties 2.4. Configuring a High Availability pcsd Web UI 3. The pcs Command Line Interface Expand section "3. The pcs Command Line Interface" Collapse section "3. The pcs Command Line Interface" 3.1. The pcs Commands 3.2. pcs Usage Help Display 3.3. Viewing the Raw Cluster Configuration 3.4. Saving a Configuration Change to a File 3.5. Displaying Status 3.6. Displaying the Full Cluster Configuration 3.7. Displaying The Current pcs Version 3.8. Backing Up and Restoring a Cluster Configuration 4. Cluster Creation and Administration Expand section "4. Cluster Creation and Administration" Collapse section "4. Cluster Creation and Administration" 4.1. Cluster Creation Expand section "4.1. Cluster Creation" Collapse section "4.1. Cluster Creation" 4.1.1. Starting the pcsd daemon 4.1.2. Authenticating the Cluster Nodes 4.1.3. Configuring and Starting the Cluster Nodes 4.2. Configuring Timeout Values for a Cluster 4.3. Configuring Redundant Ring Protocol (RRP) 4.4. Managing Cluster Nodes Expand section "4.4. Managing Cluster Nodes" Collapse section "4.4. Managing Cluster Nodes" 4.4.1. Stopping Cluster Services 4.4.2. Enabling and Disabling Cluster Services 4.4.3. Adding Cluster Nodes 4.4.4. Removing Cluster Nodes 4.4.5. Standby Mode 4.5. Setting User Permissions Expand section "4.5. Setting User Permissions" Collapse section "4.5. Setting User Permissions" 4.5.1. Setting Permissions for Node Access Over a Network 4.5.2. Setting Local Permissions Using ACLs 4.6. Removing the Cluster Configuration 4.7. Displaying Cluster Status 4.8. Cluster Maintenance 5. Fencing: Configuring STONITH Expand section "5. Fencing: Configuring STONITH" Collapse section "5. Fencing: Configuring STONITH" 5.1. Available STONITH (Fencing) Agents 5.2. General Properties of Fencing Devices 5.3. Displaying Device-Specific Fencing Options 5.4. Creating a Fencing Device 5.5. Displaying Fencing Devices 5.6. Modifying and Deleting Fencing Devices 5.7. Managing Nodes with Fence Devices 5.8. Additional Fencing Configuration Options 5.9. Configuring Fencing Levels 5.10. Configuring Fencing for Redundant Power Supplies 5.11. Configuring ACPI For Use with Integrated Fence Devices Expand section "5.11. Configuring ACPI For Use with Integrated Fence Devices" Collapse section "5.11. Configuring ACPI For Use with Integrated Fence Devices" 5.11.1. Disabling ACPI Soft-Off with the BIOS 5.11.2. Disabling ACPI Soft-Off in the logind.conf file 5.11.3. Disabling ACPI Completely in the GRUB 2 File 5.12. Testing a Fence Device 6. Configuring Cluster Resources Expand section "6. Configuring Cluster Resources" Collapse section "6. Configuring Cluster Resources" 6.1. Resource Creation 6.2. Resource Properties 6.3. Resource-Specific Parameters 6.4. Resource Meta Options 6.5. Resource Groups Expand section "6.5. Resource Groups" Collapse section "6.5. Resource Groups" 6.5.1. Group Options 6.5.2. Group Stickiness 6.6. Resource Operations Expand section "6.6. Resource Operations" Collapse section "6.6. Resource Operations" 6.6.1. Configuring Resource Operations 6.6.2. Configuring Global Resource Operation Defaults 6.7. Displaying Configured Resources 6.8. Modifying Resource Parameters 6.9. Multiple Monitoring Operations 6.10. Enabling and Disabling Cluster Resources 6.11. Cluster Resources Cleanup 7. Resource Constraints Expand section "7. Resource Constraints" Collapse section "7. Resource Constraints" 7.1. Location Constraints Expand section "7.1. Location Constraints" Collapse section "7.1. Location Constraints" 7.1.1. Basic Location Constraints 7.1.2. Advanced Location Constraints 7.1.3. Using Rules to Determine Resource Location 7.1.4. Location Constraint Strategy Expand section "7.1.4. Location Constraint Strategy" Collapse section "7.1.4. Location Constraint Strategy" 7.1.4.1. Configuring an "Opt-In" Cluster 7.1.4.2. Configuring an "Opt-Out" Cluster 7.1.5. Configuring a Resource to Prefer its Current Node 7.2. Order Constraints Expand section "7.2. Order Constraints" Collapse section "7.2. Order Constraints" 7.2.1. Mandatory Ordering 7.2.2. Advisory Ordering 7.2.3. Ordered Resource Sets 7.2.4. Removing Resources From Ordering Constraints 7.3. Colocation of Resources Expand section "7.3. Colocation of Resources" Collapse section "7.3. Colocation of Resources" 7.3.1. Mandatory Placement 7.3.2. Advisory Placement 7.3.3. Colocating Sets of Resources 7.3.4. Removing Colocation Constraints 7.4. Displaying Constraints 8. Managing Cluster Resources Expand section "8. Managing Cluster Resources" Collapse section "8. Managing Cluster Resources" 8.1. Manually Moving Resources Around the Cluster Expand section "8.1. Manually Moving Resources Around the Cluster" Collapse section "8.1. Manually Moving Resources Around the Cluster" 8.1.1. Moving a Resource from its Current Node 8.1.2. Moving a Resource to its Preferred Node 8.2. Moving Resources Due to Failure 8.3. Moving Resources Due to Connectivity Changes 8.4. Enabling, Disabling, and Banning Cluster Resources 8.5. Disabling a Monitor Operation 8.6. Managed Resources 9. Advanced Configuration Expand section "9. Advanced Configuration" Collapse section "9. Advanced Configuration" 9.1. Resource Clones Expand section "9.1. Resource Clones" Collapse section "9.1. Resource Clones" 9.1.1. Creating and Removing a Cloned Resource 9.1.2. Clone Constraints 9.1.3. Clone Stickiness 9.2. Multistate Resources: Resources That Have Multiple Modes Expand section "9.2. Multistate Resources: Resources That Have Multiple Modes" Collapse section "9.2. Multistate Resources: Resources That Have Multiple Modes" 9.2.1. Monitoring Multi-State Resources 9.2.2. Multistate Constraints 9.2.3. Multistate Stickiness 9.3. Configuring a Virtual Domain as a Resource 9.4. The pacemaker_remote Service Expand section "9.4. The pacemaker_remote Service" Collapse section "9.4. The pacemaker_remote Service" 9.4.1. Host and Guest Authentication 9.4.2. Guest Node Resource Options 9.4.3. Remote Node Resource Options 9.4.4. Changing Default Port Location 9.4.5. Configuration Overview: KVM Guest Node 9.4.6. Configuration Overview: Remote Node (Red Hat Enterprise Linux 7.4) 9.4.7. Configuration Overview: Remote Node (Red Hat Enterprise Linux 7.3 and earlier) 9.4.8. System Upgrades and pacemaker_remote 9.5. Pacemaker Support for Docker Containers (Technology Preview) Expand section "9.5. Pacemaker Support for Docker Containers (Technology Preview)" Collapse section "9.5. Pacemaker Support for Docker Containers (Technology Preview)" 9.5.1. Configuring a Pacemaker Bundle Resource Expand section "9.5.1. Configuring a Pacemaker Bundle Resource" Collapse section "9.5.1. Configuring a Pacemaker Bundle Resource" 9.5.1.1. Docker Parameters 9.5.1.2. Bundle Network Parameters 9.5.1.3. Bundle Storage Parameters 9.5.2. Configuring a Pacemaker Resource in a Bundle Expand section "9.5.2. Configuring a Pacemaker Resource in a Bundle" Collapse section "9.5.2. Configuring a Pacemaker Resource in a Bundle" 9.5.2.1. Node Attributes and Bundle Resources 9.5.2.2. Metadata Attributes and Bundle Resources 9.5.3. Limitations of Pacemaker Bundles 9.5.4. Pacemaker Bundle Configuration Example 9.6. Utilization and Placement Strategy Expand section "9.6. Utilization and Placement Strategy" Collapse section "9.6. Utilization and Placement Strategy" 9.6.1. Utilization Attributes 9.6.2. Placement Strategy 9.6.3. Resource Allocation Expand section "9.6.3. Resource Allocation" Collapse section "9.6.3. Resource Allocation" 9.6.3.1. Node Preference 9.6.3.2. Node Capacity 9.6.3.3. Resource Allocation Preference 9.6.4. Resource Placement Strategy Guidelines 9.6.5. The NodeUtilization Resource Agent (Red Hat Enterprise Linux 7.4 and later) 9.7. Configuring Startup Order for Resource Dependencies not Managed by Pacemaker (Red Hat Enterprise Linux 7.4 and later) 9.8. Querying a Pacemaker Cluster with SNMP (Red Hat Enterprise Linux 7.5 and later) 9.9. Configuring Resources to Remain Stopped on Clean Node Shutdown (Red Hat Enterprise Linux 7.8 and later) Expand section "9.9. Configuring Resources to Remain Stopped on Clean Node Shutdown (Red Hat Enterprise Linux 7.8 and later) " Collapse section "9.9. Configuring Resources to Remain Stopped on Clean Node Shutdown (Red Hat Enterprise Linux 7.8 and later) " 9.9.1. Cluster Properties to Configure Resources to Remain Stopped on Clean Node Shutdown 9.9.2. Setting the shutdown-lock Cluster Property 10. Cluster Quorum Expand section "10. Cluster Quorum" Collapse section "10. Cluster Quorum" 10.1. Configuring Quorum Options 10.2. Quorum Administration Commands (Red Hat Enterprise Linux 7.3 and Later) 10.3. Modifying Quorum Options (Red Hat Enterprise Linux 7.3 and later) 10.4. The quorum unblock Command 10.5. Quorum Devices Expand section "10.5. Quorum Devices" Collapse section "10.5. Quorum Devices" 10.5.1. Installing Quorum Device Packages 10.5.2. Configuring a Quorum Device 10.5.3. Managing the Quorum Device Service 10.5.4. Managing the Quorum Device Settings in a Cluster Expand section "10.5.4. Managing the Quorum Device Settings in a Cluster" Collapse section "10.5.4. Managing the Quorum Device Settings in a Cluster" 10.5.4.1. Changing Quorum Device Settings 10.5.4.2. Removing a Quorum Device 10.5.4.3. Destroying a Quorum Device 11. Pacemaker Rules Expand section "11. Pacemaker Rules" Collapse section "11. Pacemaker Rules" 11.1. Node Attribute Expressions 11.2. Time/Date Based Expressions 11.3. Date Specifications 11.4. Durations 11.5. Configuring Rules with pcs 12. Pacemaker Cluster Properties Expand section "12. Pacemaker Cluster Properties" Collapse section "12. Pacemaker Cluster Properties" 12.1. Summary of Cluster Properties and Options 12.2. Setting and Removing Cluster Properties 12.3. Querying Cluster Property Settings 13. Triggering Scripts for Cluster Events Expand section "13. Triggering Scripts for Cluster Events" Collapse section "13. Triggering Scripts for Cluster Events" 13.1. Pacemaker Alert Agents (Red Hat Enterprise Linux 7.3 and later) Expand section "13.1. Pacemaker Alert Agents (Red Hat Enterprise Linux 7.3 and later)" Collapse section "13.1. Pacemaker Alert Agents (Red Hat Enterprise Linux 7.3 and later)" 13.1.1. Using the Sample Alert Agents 13.1.2. Alert Creation 13.1.3. Displaying, Modifying, and Removing Alerts 13.1.4. Alert Recipients 13.1.5. Alert Meta Options 13.1.6. Alert Configuration Command Examples 13.1.7. Writing an Alert Agent 13.2. Event Notification with Monitoring Resources 14. Configuring Multi-Site Clusters with Pacemaker A. OCF Return Codes B. Cluster Creation in Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7 Expand section "B. Cluster Creation in Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7" Collapse section "B. Cluster Creation in Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7" B.1. Cluster Creation with rgmanager and with Pacemaker B.2. Pacemaker Installation in Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7 C. Revision History Index Legal Notice Settings Close Language: 日本語 English 简体中文 Language: 日本語 English 简体中文 Format: Multi-page Single-page PDF Format: Multi-page Single-page PDF Language and Page Formatting Options Language: 日本語 English 简体中文 Language: 日本語 English 简体中文 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 6.10. Enabling and Disabling Cluster Resources The following command enables the resource specified by resource_id. pcs resource enable resource_id The following command disables the resource specified by resource_id. pcs resource disable resource_id Previous Next