On 23.02.2017 00:47, Brian Mathis wrote:
I have a 3-node cluster running FreeIPA 4.2 on RHEL 7.2. I would like
to upgrade to RHEL 7.3 / IPA 4.4, and I want to make VM snapshots that
I can rollback to in case there are issues. What is the recommended
approach to this?
Should services already be started when running the yum update?
It doesn't matter, updater will stop/start services as needed
You have to rollback all snapshots for the whole topology and then you
can start IPA, otherwise replication conflicts may happen.
Can I shut down each ipa service one by one, snapshot, then upgrade?
How would replication be affected if I had to rollback to the older
snapshot after other nodes had been upgraded?
So I suggest to have snapshots of all servers before upgrade.
This is the best for integrity, but in case there is no/low activity on
servers, then one by one snapshots may work too.
Or is it better to shut down all ipa services on all nodes, make
snapshots, then perform the upgrade? Obviously that would bring down
the domain during the upgrade, but it would better ensure integrity.
~ Brian Mathis
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