Adding types parameter

Author: Shubha Narayanan

modules/installation-configuration-parameters.adoc

@@ -911,17 +911,25 @@ Additional {rh-openstack} configuration parameters are described in the followin
 |For compute machines, the size in gigabytes of the root volume. If you do not set this value, machines use ephemeral storage.
 |Integer, for example `30`.
 
+|`compute.platform.openstack.rootVolume.types`
+|For compute machines, the root volume types.
+|A list of strings, for example, {`performance-host1`, `performance-host2`, `performance-host3`}. ^[1]^
+
 |`compute.platform.openstack.rootVolume.type`
-|For compute machines, the root volume's type.
-|String, for example `performance`.
+|For compute machines, the root volume's type. This property is deprecated and is replaced by `compute.platform.openstack.rootVolume.types`.
+|String, for example, `performance`. ^[2]^
 
 |`controlPlane.platform.openstack.rootVolume.size`
 |For control plane machines, the size in gigabytes of the root volume. If you do not set this value, machines use ephemeral storage.
 |Integer, for example `30`.
 
+|`controlPlane.platform.openstack.rootVolume.types`
+|For control plane machines, the root volume types.
+|A list of strings, for example, {`performance-host1`, `performance-host2`, `performance-host3`}. ^[1]^
+
 |`controlPlane.platform.openstack.rootVolume.type`
-|For control plane machines, the root volume's type.
-|String, for example `performance`.
+|For control plane machines, the root volume's type. This property is deprecated and is replaced by `compute.platform.openstack.rootVolume.types`.
+|String, for example, `performance`. ^[2]^
 
 |`platform.openstack.cloud`
 |The name of the {rh-openstack} cloud to use from the list of clouds in the
@@ -940,6 +948,11 @@ This property is deprecated. To use a flavor as the default for all machine pool
 |String, for example `m1.xlarge`.
 |====
 
+. If the machine pool defines `zones`, the count of types can either be a single item or match the number of items in `zones`. For example, the count of types cannot be 2 if there are 3 items in `zones`.
+
+. If you have any existing reference to this property, the installer populates the corresponding value in the `controlPlane.platform.openstack.rootVolume.types` field.
+
+
 [id="installation-configuration-parameters-optional-osp_{context}"]
 == Optional {rh-openstack} configuration parameters