[Bugs] [Bug 1687051] gluster volume heal failed when online upgrading from 3.12 to 5.x and when rolling back online upgrade from 4.1.4 to 3.12.15

bugzilla at redhat.com bugzilla at redhat.com
Wed Apr 24 11:56:03 UTC 2019


--- Comment #67 from Sanju <srakonde at redhat.com> ---

Did you change your op-version after downgrading node? If you're performing a
downgrade you need to manually edit the op-version to a lesser op-version in
glusterd.info file in all machines and restart glusterd's. So that glusterd
will run with lower op-version. You can't set lower op-version using volume set

and, I would like to mention that, we can't promise anything about downgrade as
we don't test/support downgrades. If you are going forward and performing a
downgrade, I suggest you to perform a offline downgrade. After the downgrade,
you should manually edit op-version in glusterd.info file and restart glusterd.
After doing this also, things might go wrong as it is not something tested and


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