Section Number and Name:
Upgrading Cluster (probably both automated and manual upgrade sections)
Describe the issue:
Engineering have suggested validate 3.7 storage migration the day before the upgrade using
oc adm migrate storage --include=* --loglevel=2
This would ensure some potential problems can be spotted early and can be resolved before going into outage window for upgrade to 3.9.
Suggestions for improvement:
Include suggestion as per above.
This is a general suggestion applicable to all upgrades.
Work in progress: https://github.com/openshift/openshift-docs/pull/11484
BTW, it's a good idea to run this migration prior to all upgrades whether it's a 3.y.z to 3.y.z+1 upgrade or 3.y 3.y+1 upgrade. Lets add this to 3.9 and 3.10 docs too.
For all, it's better to add "--config /etc/origin/master/admin.kubeconfig" for the command.
For pr 11484, seems no need to specify "3.7 ", refer to other two prs.
For pr 11505, miss "--confirm" for the command and wrong version of "3.7".
Thanks! I made some updates. Please review.
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