RHEL High Availability Documentation: Fence Device Configuration
Updated
NOTE: For a general overview of the documentation available for the Red Hat High Availability Add-On, see the Red Hat High Availability Add-On Documentation Guide.
A key aspect of Red Hat cluster design is that a system must be configured with at least one fencing device to ensure that the services that the cluster provides remain available when a node in the cluster encounters a problem.
General overview of fencing in a Red Hat High Availability Cluster
- Exploring Concepts of RHEL High Availability Clusters - Fencing/STONITH
- Fencing in a Red Hat High Availability Cluster
- Available Fencing Types and Fencing Agents for a Red Hat High-Availability Cluster
- Configuring fencing in a Red Hat High Availability cluster (RHEL 10).
- Configuring fencing in a Red Hat High Availability cluster (RHEL 9).
- Configuring fencing in a Red Hat High Availability cluster (RHEL 8).
- How to test fence devices and fencing configuration in a Red Hat High Availability cluster?
Additional fencing documentation
- Are there fence-agents that support passwordless authentication?
- Delaying Fencing in a Two Node Cluster to Prevent Fence Races or "Fence Death" Scenarios
- What user permissions/roles are required for the VMware vCenter user account to perform fence action using fence_vmware_soap?
- How to set stonith-enabled to true in a Pacemaker cluster
- Should I specify an action when creating stonith devices in my High Availability cluster with pacemaker?
- How to configure/manage STONITH 'levels' in RHEL cluster with pacemaker?
- What format should I use to specify node mappings to stonith devices in pcmk_host_list and pcmk_host_map in a RHEL 6, 7, or 8 High Availability cluster? Hostname or IP address? FQDN or shortname?
- How do I hide the fence device password specified in the cluster configuration?
- Is there a way to store secrets in pacemaker?
sbd fencing
- Exploring RHEL High Availability's Components - sbd and fence_sbd
- Support Policies for RHEL High Availability Clusters - sbd and fence_sbd
- Design Guidance for RHEL High Availability Clusters - sbd Considerations
- Administrative Procedures for RHEL High Availability clusters - Enabling sbd fencing in RHEL 7 and 8
- Administrative Procedures for RHEL High Availability Clusters - Validating a Watchdog Timer Device (WDT) to Use with sbd
- Presenting a Watchdog Device to RHV Virtual Machines to Use for sbd Fencing
fence_scsi
- Support Policies for RHEL High Availability Clusters - fence_scsi and fence_mpath
- Using SCSI Persistent Reservation Fencing (fence_scsi) with pacemaker in a Red Hat High Availability cluster
- Is there a watchdog script for fence_scsi to reboot a RHEL High Availability or Resilient Storage cluster node?
Fencing agents and virtual fencing
- Acknowledging manual fencing in a RHEL 6 7 or 8 pacemaker cluster
- Configuring z/VM SMAPI Fencing with fence_zvmip for RHEL 7 or8 IBM z Systems Cluster Members
- Administrative Procedures for RHEL High Availability Clusters - Configuring RHV-M REST API Power Fencing for RHEL 7, 8 RHV Virtual Machine Cluster Members
- How to configure fence agent 'fence_xvm' in RHEL cluster
- How to configure stonith agent
fence_xvmin pacemaker cluster when cluster nodes are KVM guests and are on different KVM hosts. - How to setup fencing for Cisco UCS blades with the fence agent fence_cisco_ucs?
- How to setup/create/configure fence_mpath
- How to configure fence agent "fence_ilo*_ssh" with pacemaker in a RHEL High Availability cluster with Pacemaker
- How to configure fence_ipmilan with Red Hat Enterprise Linux High Availability Pacemaker Add On
- How do I configure a stonith device using agent fence_vmware_soap in a Red Hat High Availability cluster with pacemaker?
- Configuring a RHEL HA Cluster Fence Agent for an IBM Power Systems Virtual Server
- Configuring a RHEL HA Cluster Fence Agent for an IBM Cloud Virtual Private Cloud (VPC) server
Troubleshooting
- How can I diagnose fence_ipmilan failures in RHEL 5, 6, 7, or 8?
- How can I diagnose fence_vmware_soap failures in RHEL 5, 6, 7, or 8?
- A stonith resource attempts to fence a cluster node while it is in stopped state on a pacemaker cluster
- RHEL High Availability cluster nodes on IBM z Systems experience STONITH-device timeouts around midnight on a nightly basis
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