Details
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Task
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Resolution: Unresolved
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Major
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DOC-2023-S2, DOC-2023-S3
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1
Description
The doc states:
Once an upgrade of a Couchbase-Server cluster has started, downgrade to the earlier version of Couchbase Server can be performed, provided that one node continues to run the earlier version. However, once all nodes are running the later version, downgrade can no longer be performed: therefore, once all nodes are running the later version, should application-support require the earlier version, an entirely new cluster must be created, running the earlier version.
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https://docs.couchbase.com/server/current/install/upgrade.html#downgrade
It should be mentioned that after all nodes are upgraded, to downgrade a node the existing linux package should be removed, then package for older version should be installed.