Merge pull request #85379 from openshift-cherrypick-robot/cherry-pick-85235-to-enterprise-4.16

[enterprise-4.16] TELCODOCS-2112: Update IBU doc prechaching partition label

Author: dfitzmau

edge_computing/image_based_upgrade/preparing_for_image_based_upgrade/cnf-image-based-upgrade-shared-container-partition.adoc

@@ -6,7 +6,7 @@ include::_attributes/common-attributes.adoc[]
 
 toc::[]
 
-Your {sno} clusters need to have a shared `var/lib/containers` partition for the image-based upgrade.
+Your {sno} clusters need to have a shared `/var/lib/containers` partition for the image-based upgrade.
 You can do this at install time.
 
 include::modules/cnf-image-based-upgrade-shared-container-partition.adoc[leveloffset=+1]

modules/cnf-image-based-upgrade-shared-container-partition.adoc

@@ -32,11 +32,11 @@ spec:
       disks:
         - device: /dev/disk/by-path/pci-<root_disk> <1>
           partitions:
-            - label: varlibcontainers
+            - label: var-lib-containers
               startMiB: <start_of_partition> <2>
               sizeMiB: <partition_size> <3>
       filesystems:
-        - device: /dev/disk/by-partlabel/varlibcontainers
+        - device: /dev/disk/by-partlabel/var-lib-containers
           format: xfs
           mountOptions:
             - defaults
@@ -49,12 +49,12 @@ spec:
             # Generated by Butane
             [Unit]
             Before=local-fs.target
-            Requires=systemd-fsck@dev-disk-by\x2dpartlabel-varlibcontainers.service
-            After=systemd-fsck@dev-disk-by\x2dpartlabel-varlibcontainers.service
+            Requires=systemd-fsck@dev-disk-by\x2dpartlabel-var\x2dlib\x2dcontainers.service
+            After=systemd-fsck@dev-disk-by\x2dpartlabel-var\x2dlib\x2dcontainers.service
 
             [Mount]
             Where=/var/lib/containers
-            What=/dev/disk/by-partlabel/varlibcontainers
+            What=/dev/disk/by-partlabel/var-lib-containers
             Type=xfs
             Options=defaults,prjquota