Ok, I've got the plan:
1. unmount volume on all clients
2. shut down glusterd on all nodes
3. set old op.version (310xx) via /var/lib/glusterd/glusterd.info on all nodes
4. downgrade rpm packages everywhere
5. start glusterd & mount volume
Does it look fine?
Also is there any way to roll back without downtime?
Thanks.
2018-01-13 4:51 GMT+03:00 Pavel Znamensky <kompastver@xxxxxxxxx>:
Hi,I want to roll back a distributed replicated cluster from 3.12 to 3.10 because of performance issues which appeared after upgrade.But I didn't find any docs which could help me.Is it even possible?
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