Ah, we need to do a better job documenting this for sure. I think you _cannot_ do an in-place downgrade because the on-disk header format changed to v7 to include some metadata needed for the purge feature that was re-introduced in 2.3.0:
https://github.com/apache/couchdb/commit/78a388d <https://github.com/apache/couchdb/commit/78a388d> Bill’s suggestion of replication is probably going to be the way to go here. Someone more familiar with the disk format version changes and upgrade / downgrade logic might correct me, but this is my current understanding. Adam > On Feb 4, 2019, at 3:21 PM, Bill Stephenson <b...@cherrypc.com.INVALID> wrote: > > Have you tried replicating your data to the 2.2.1 DB? > > > Bill > > > >> On Feb 4, 2019, at 2:19 PM, Compu Net <compu...@48th.com> wrote: >> >> Can a couched 2.3.0 be downgraded to 2.1.1 without changes to the data ? >
