Support Policies for RHEL High Availability Clusters - IBM Power Servers as Cluster Members

Updated -

Contents

Overview

Applicable Environments

  • Red Hat Enterprise Linux (RHEL) with the High Availability Add-On

Useful References and Guides

Introduction

This guide offers Red Hat's policies, requirements, and conditions for use of RHEL High Availability components on IBM Power platforms. Users of RHEL High Availability software components should adhere to these policies in order to be eligible to receive support from Red Hat with the appropriate product support subscriptions.

Policies

Supported RHEL High Availability releases on IBM Power architectures: Red Hat provides support for the following combinations of RHEL High Availability running on IBM Power architectures:

  • IBM Power8:
    • Supported with RHEL 8
    • Supported with RHEL 7.4 or later - usingcorosync-2.4.0-9.el7 or later and pacemaker-1.1.16-8.el7 or later.
  • IBM Power9:
    • Supported with RHEL 8
  • IBM Power10:
    • Supported with RHEL 8.4 or later

Other combinations or releases of RHEL or IBM Power than what are listed above are not supported by Red Hat.

Support for RHEL High Availability on IBM PowerVM LPARs: Red Hat supports RHEL High Availability clusters running on IBM PowerVM LPARs on the releases noted above.

Support for RHEL High Availability on IBM Power bare-metal servers: Red Hat supports RHEL High Availability clusters running on IBM Power bare-metal running OPAL firmware under the following conditions:

  • RHEL 8: Supported by Red Hat
  • RHEL 7: Supported by Red Hat with RHEL 7.5 or later - with corosync-2.4.3-2.el7 or later and pacemaker-1.1.18-11.el7 or later.

No support for RHEL High Availability on IBM PowerKVM: Red Hat does not provide support for RHEL High Availability on PowerKVM virtualized systems. [1]

KVM VMs (cluster nodes) running on IBM Power host (hypervisor) is not supported: Virtual machines hosted by KVM on IBM Power host is not supported. [1]

[1]: IBM Power KVM and IBM Power hosts that are KVM hypervisors are not the same product. IBM Power KVM and IBM Power hosts that is a KVM hypervisor are different products.

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