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codyhoag merged 1 commit into from
Oct 15, 2020
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RNs for IBM Z and LinuxONE #26476

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185 changes: 115 additions & 70 deletions release_notes/ocp-4-6-release-notes.adoc
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Original file line number Diff line number Diff line change
Expand Up @@ -287,6 +287,121 @@ You no longer need floating IP addresses to complete a {product-title} installat

For more information, see the {product-title} on {rh-openstack} installation documentation.

[id="ocp-4-6-ibm-z"]
==== IBM Z and LinuxONE

With this release, IBM Z and LinuxONE is now compatible with {product-title} {product-version}. See xref:../installing/installing_ibm_z/installing-ibm-z.adoc#installing-ibm-z[Installing a cluster on IBM Z and LinuxONE] for installation instructions.

[discrete]
===== Restrictions

Note the following restrictions for {product-title} on IBM Z and LinuxONE:

* {product-title} for IBM Z does not include the following Technology Preview features:
** Log forwarding
** Precision Time Protocol (PTP) hardware
** CSI volume snapshots
** OpenShift Pipelines

* The following {product-title} features are unsupported:
** {product-title} Virtualization
** Red Hat OpenShift Service Mesh
** CodeReady Containers (CRC)
** {product-title} Metering
** Multus CNI plug-in
** FIPS cryptography
** Encrypting data stored in etcd
** Automatic repair of damaged machines with machine health checking
** Tang mode disk encryption during {product-title} deployment
** {product-title} Serverless
** Helm command-line interface (CLI) tool
** Controlling overcommit and managing container density on nodes
** etcd cluster Operator
** CSI volume cloning
** NVMe
** Persistent storage using Fibre Channel

* Worker nodes must run {op-system-first}.
* Persistent shared storage must be provisioned using NFS.
* Persistent non-shared storage must be provisioned using local storage, like iSCSI, FC, or LSO with DASD/FCP.
* These features are available only for {product-title} on IBM Z for {product-version}:
** HyperPAV enabled on IBM System Z /LinuxONE for the virtual machines for FICON attached ECKD storage

[discrete]
===== Supported features

With this release, the following features are supported on IBM Z and LinuxONE:

* Persistent storage using iSCSI
* Persistent storage using local volumes (Local Storage Operator)
* OpenShift Do (odo)

[id="ocp-4-6-ibm-power"]
==== IBM Power Systems

With this release, IBM Power Systems are now compatible with {product-title} {product-version}. See xref:../installing/installing_ibm_power/installing-ibm-power.adoc#installing-ibm-power_installing-ibm-power[Installing a cluster on IBM Power] or xref:../installing/installing_ibm_power/installing-restricted-networks-ibm-power.adoc#installing-restricted-networks-ibm-power_installing-restricted-networks-ibm-power[Installing a cluster on IBM Power in a restricted network].

[discrete]
===== Restrictions

Note the following restrictions for {product-title} on IBM Power:

* {product-title} for IBM Power Systems does not include the following Technology Preview features:
+
** OpenShift Virtualization
** OpenShift Serverless (knative, FaaS integrations)

* The following {product-title} features are unsupported:
** Red Hat OpenShift Service Mesh (istio, jaeger, kiali)
** CodeReady Workspaces
** CodeReady Containers (CRC)
** OpenShift Pipelines based on Tekton
** {product-title} Metering
** Multus Plugins (SR-IOV, IPVAN, Bridge with VLAN, Static IPAM)
** SR-IOV CNI plug-in
** Red Hat Single Sign-On
** OpenShift Metering (Presto, Hive)

* Worker nodes must run {op-system-first}.
* Persistent storage must be of the `Filesystem` mode using local volumes, Network File System (NFS), OpenStack Cinder, or Container Storage Interface (CSI).
* Networking must use either DHCP or static addressing with Red Hat Openshift SDN.
* AdoptOpenJDK with OpenJ9
* Installer-provisioned infrastructure
* Device Manager for NVIDIA GPUs
* Special Resources Operator
* OpenShift Ansible Service Broker Operator (deprecated)
* dotNET on RHEL

[discrete]
===== Supported Features

* Currently, four Operators are supported:
** Cluster-Logging-Operator
** Cluster-NFD-Operator
** Elastic Search-Operator
** Local Storage Operator

* User-provisioned infrastructure deployment scenario on bare-metal
* OpenShift Cluster Monitoring
* Node Tuning Operator
* OpenShift Jenkins
* OpenShift Logging
* OpenShift Do (odo)
* Machine Configuration Operator, which is used in installations with installer-provisioned infrastructure
* Node Feature Discovery Operator
* {product-title} core (CVO Operators)
* Installation program for clusters that use user-provisioned infrastructure
* OVS/OVN
* RHEL8 Based container support
* RHEL CoreOS
* Ansible Engine
* Red Hat Software Collections
* Fibre Channel
* HostPath
* Raw Block
* iSCSI
* 4k Disk support

[id="ocp-4-6-security"]
=== Security and compliance

Expand Down Expand Up @@ -1296,76 +1411,6 @@ In the table below, features are marked with the following statuses:

|====

[id="ocp-4-6-4-ibm-power"]
===== IBM Power Systems

With this release, IBM Power Systems are now compatible with {product-title} {product-version}. See xref:../installing/installing_ibm_power/installing-ibm-power.adoc#installing-ibm-power_installing-ibm-power[Installing a cluster on IBM Power] or xref:../installing/installing_ibm_power/installing-restricted-networks-ibm-power.adoc#installing-restricted-networks-ibm-power_installing-restricted-networks-ibm-power[Installing a cluster on IBM Power in a restricted network].

[discrete]
====== Restrictions

Note the following restrictions for {product-title} on IBM Power:

* {product-title} for IBM Power Systems does not include the following Technology Preview features:
+
** OpenShift Virtualization
** OpenShift Serverless (knative, FaaS integrations)

* The following {product-title} features are unsupported:
** Red Hat OpenShift Service Mesh (istio, jaeger, kiali)
** CodeReady Workspaces
** CodeReady Containers (CRC)
** OpenShift Pipelines based on Tekton
** {product-title} Metering
** Multus Plugins (SR-IOV, IPVAN, Bridge with VLAN, Static IPAM)
** SR-IOV CNI plug-in
** Red Hat Single Sign-On
** OpenShift Metering (Presto, Hive)


* Worker nodes must run {op-system-first}.
* Persistent storage must be of the `Filesystem` mode using local volumes, Network File System (NFS), OpenStack Cinder, or Container Storage Interface (CSI).
* Networking must use either DHCP or static addressing with Red Hat Openshift SDN.
* AdoptOpenJDK with OpenJ9
* Installer-provisioned infrastructure
* Device Manager for NVIDIA GPUs
* Special Resources Operator
* OpenShift Ansible Service Broker Operator (deprecated)
* dotNET on RHEL



[discrete]
====== Supported Features

* Currently, four Operators are supported:
** Cluster-Logging-Operator
** Cluster-NFD-Operator
** Elastic Search-Operator
** Local Storage Operator

* User-provisioned infrastructure deployment scenario on bare-metal
* OpenShift Cluster Monitoring
* Node Tuning Operator
* OpenShift Jenkins
* OpenShift Logging
* OpenShift Do (odo)
* Machine Configuration Operator, which is used in installations with installer-provisioned infrastructure
* Node Feature Discovery Operator
* {product-title} core (CVO Operators)
* Installation program for clusters that use user-provisioned infrastructure
* OVS/OVN
* RHEL8 Based container support
* RHEL CoreOS
* Ansible Engine
* Red Hat Software Collections
* Fibre Channel
* HostPath
* Raw Block
* iSCSI
* 4k Disk support


[id="ocp-4-6-known-issues"]
== Known issues

Expand Down