From b53b6eec5a56a5d34830738a8021bb6a24af2d42 Mon Sep 17 00:00:00 2001 From: Jonathan Lebon Date: Fri, 19 Mar 2021 15:16:53 -0400 Subject: [PATCH] Bug 1886229: Clarify multipath support in release notes Make it clearer that multipathing is only supported when activated using the documented MachineConfig and that it must not be enabled before this. --- release_notes/ocp-4-7-release-notes.adoc | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/release_notes/ocp-4-7-release-notes.adoc b/release_notes/ocp-4-7-release-notes.adoc index 4b0047545dd1..2f03bb440d0c 100644 --- a/release_notes/ocp-4-7-release-notes.adoc +++ b/release_notes/ocp-4-7-release-notes.adoc @@ -53,8 +53,7 @@ This release adds improvements related to the following components and concepts. * Native Ignition support for LUKS disk encryption provides additional configurability for encrypted root filesystems, as well as support for encryption of additional data filesystems. * {op-system} now supports boot disk mirroring, except on s390x, providing redundancy in the case of disk failure. For more information, see xref:../installing/install_config/installing-customizing.adoc#installation-special-config-mirrored-disk_installing-customizing[Mirroring disks during installation]. * {op-system} on s390x can be installed onto fixed-block architecture (FBA)-type direct access storage device (DASD) disks. - -* Multipathing is now supported during initial deployment and early boot for storage devices when attached to clusters that are created using {product-title} 4.7 or higher. +* {op-system} now supports the primary disk being multipathed. [NOTE] ==== @@ -93,6 +92,13 @@ Previously, {op-system} DHCP kernel parameters were not working as expected beca {op-system} now supports multipath on the primary disk, allowing stronger resilience to hardware failure so that you can set up {op-system} on top of multipath to achieve higher host availability. See link:https://bugzilla.redhat.com/show_bug.cgi?id=1886229[*BZ#1886229*] for more information. +[IMPORTANT] +==== +Only enable multipathing with kernel arguments within a machine config as documented. Do not enable multipathing during installation. + +For more information, see "Enabling multipath with kernel arguments" in xref:../post_installation_configuration/machine-configuration-tasks.adoc#rhcos-enabling-multipath_post-install-machine-configuration-tasks[Post-installation machine configuration tasks]. +==== + [id="ocp-4-7-rhcos-fetching-aws-from-imdsv2"] ==== Fetching configs on AWS from Instance Metadata Service Version 2 (IMDSv2) @@ -2336,4 +2342,4 @@ link:https://access.redhat.com/solutions/6001181[{product-title} 4.7.9 container To upgrade an existing {product-title} 4.7 cluster to this latest release, see xref:../updating/updating-cluster-cli.adoc#update-service-overview_updating-cluster-cli[Updating a cluster by using the CLI] for instructions. -the operator could modify \ No newline at end of file +the operator could modify