Chapter 2. RHEV for IBM Power

With the Red Hat Enterprise Virtualization 3.4.3 release, you can now install a RHEL-based Hypervisor on IBM Power 8 hardware for your Red Hat Enterprise Virtualization environment. For more information on installation, see https://access.redhat.com/articles/1247773.
Unsupported Features
The following Red Hat Enterprise Virtualization features are not supported:
  • Hot-Plug CPU
  • Spice display
  • SmartCard
  • Memory Balloon
  • Sound device
  • Watchdog
  • Guest SSO
  • OpenStack Neutron integration
  • Self-Hosted Engine
Known Issues with workarounds
BZ#1154630
Hotplug or unplug NIC fails on a running virtual machine.
Workaround: Ensure powerpc-utils is on a version 1.2.19 or higher and is being used in the Red Hat Enterprise Linux guest operating system.
BZ#1149235
Power Management configuration for fencing and high availability requires additional parameters to be set for it to work for Power hosts
Workaround: In the Administration Portal, go to HostsEditPower Management, select the power management type ipmilan, and add lanplus=1,cipher=1 to the Options field.
BZ#1150008
iSCSI datacenters may become non-responsive when managing both x86_64 and Power hosts.
Workaround: Configure x86_64 hosts and Power hosts in different datacenters due to potential Sanlock issues.
BZ#1157185
SELinux booleans needs to be set manually after ISO installation on Power hosts. VDSM does not set SELinux booleans during installation when SELinux is disabled.
Workaround: Users must manually run the following command on a Power host upon the completion of the ISO installation: vdsm-tool sebool-config command.
Known Issues without workarounds
BZ#1155223
Hotplug or unplug disk is not supported on Power hosts.
BZ#1148092
CPU pinning does not work for virtual machines running on a Power host.
BZ#1142733
VNC in text mode is unreadable on Power hosts for Red Hat Enterprise Linux 6 guest operating systems.
BZ#1152560
Users cannot import virtual machines from an export domain to a Power host.
BZ#1152659
Users cannot create a new virtual machine from a snapshot on a Power host.
BZ#1158560
Users will not be able to run Cloud-Init for guest configuration of Red Hat Enterprise Linux 6 or Red Hat Enterprise Linux 7 guest operating systems running on a Power host.