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13 changes: 12 additions & 1 deletion modules/installation-requirements-user-infra.adoc
Original file line number Diff line number Diff line change
Expand Up @@ -129,12 +129,23 @@ ifndef::ibm-power[|4]
|16 GB
|120 GB

ifndef::openshift-origin[]
|Compute
ifdef::ibm-z,ibm-power[|{op-system}]
ifndef::ibm-z,ibm-power[|{op-system} or RHEL 7.8 - 7.9]
|2
|8 GB
|120 GB
endif::openshift-origin[]

ifdef::openshift-origin[]
|Compute
ifdef::ibm-z,ibm-power[|{op-system}]
ifndef::ibm-z,ibm-power[|{op-system} or RHEL 7.7 - 7.8]
ifndef::ibm-z,ibm-power[|{op-system}]
|2
|8 GB
|120 GB
endif::openshift-origin[]

5+a|
^1^ 1 physical core provides 2 vCPUs when hyper-threading is enabled. 1 physical core provides 1 vCPU when hyper-threading is not enabled.
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2 changes: 1 addition & 1 deletion modules/rhel-compute-requirements.adoc
Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,7 @@ The Red Hat Enterprise Linux (RHEL) compute machine hosts, which are also known
* Each system must meet the following hardware requirements:
** Physical or virtual system, or an instance running on a public or private IaaS.
ifdef::openshift-origin[]
** Base OS: Fedora 21, CentOS 7.4, or link:https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html-single/installation_guide/index[RHEL 7.7-7.8] with "Minimal" installation option.
** Base OS: CentOS 7.4.
endif::[]
ifdef::openshift-enterprise,openshift-webscale[]
** Base OS: link:https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html-single/installation_guide/index[RHEL 7.7-7.8] with "Minimal" installation option.
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2 changes: 2 additions & 0 deletions post_installation_configuration/node-tasks.adoc
Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@ toc::[]
After installing {product-title}, you can further expand and customize your
cluster to your requirements through certain node tasks.

ifndef::openshift-origin[]
[id="post-install-config-adding-rhel-compute"]
== Adding RHEL compute machines to an {product-title} cluster
Understand and work with RHEL compute nodes.
Expand All @@ -19,6 +20,7 @@ include::modules/rhel-preparing-node.adoc[leveloffset=+2]
include::modules/rhel-adding-node.adoc[leveloffset=+2]
include::modules/rhel-ansible-parameters.adoc[leveloffset=+2]
include::modules/rhel-removing-rhcos.adoc[leveloffset=+2]
endif::[]

[id="post-install-config-adding-fcos-compute"]
== Adding {op-system} compute machines to an {product-title} cluster
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