1920364 Added explanation of High Performance VMs.

Implemented SME comments

Author: stoobie

modules/installation-configuration-parameters.adoc

@@ -1022,7 +1022,11 @@ Additional {rh-virtualization} configuration parameters for machine pools are de
 |Number
 
 |`<machine-pool>.platform.ovirt.vmType`
-|Optional. The VM workload type, such as `high-performance`, `server`, or `desktop`.
+|Optional. The VM workload type, such as `high-performance`, `server`, or `desktop`.  By default, master nodes use `high-performance`, and worker nodes use `server`. For details, see link:https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.4/html-single/virtual_machine_management_guide/index#Virtual_Machine_General_settings_explained[Explanation of Settings in the New Virtual Machine and Edit Virtual Machine Windows] and link:https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.4/html-single/virtual_machine_management_guide/index#Configuring_High_Performance_Virtual_Machines_Templates_and_Pools[Configuring High Performance Virtual Machines, Templates, and Pools] in the _Virtual Machine Management Guide_.
+[NOTE]
+====
+`high_performance` improves performance on the VM, but there are limitations. For example, you cannot access the VM with a graphical console. For more information see link:https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.4/html-single/virtual_machine_management_guide/index#Configuring_High_Performance_Virtual_Machines_Templates_and_Pools[Configuring High Performance Virtual Machines, Templates, and Pools] in the _Virtual Machine Management Guide_.
+====
 |String
 
 |`<machine-pool>.platform.ovirt.affinityGroupsNames`

modules/machineset-yaml-rhv.adoc

@@ -102,7 +102,8 @@ $ oc get -o jsonpath='{.status.infrastructureName}{"\n"}' infrastructure cluster
 <17> Optional: Specify the vNIC profile ID.
 
 <18> Specify the name of the secret that holds the {rh-virtualization} credentials.
-<19> Optional: Specify the workload type for which the instance is optimized. This value affects the `{rh-virtualization} VM` parameter. Supported values: `desktop`, `server`, `high_performance`.
+
+<19> Optional: Specify the workload type for which the instance is optimized. This value affects the `{rh-virtualization} VM` parameter. Supported values: `desktop`, `server` (default), `high_performance`. `high_performance` improves performance on the VM, but there are limitations. For example, you cannot access the VM with a graphical console. For more information see link:https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.4/html-single/virtual_machine_management_guide/index#Configuring_High_Performance_Virtual_Machines_Templates_and_Pools[Configuring High Performance Virtual Machines, Templates, and Pools] in the _Virtual Machine Management Guide_.
 <20> A list of affinity group names that should be applied to the VMs. The affinity groups must exist in oVirt.
 
 [NOTE]