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Reverting Back to OrientDB

The migration process is one-way: the migrator utility extracts configuration and component metadata from OrientDB and moves it to H2 or PostgreSQL. The OrientDB remains as a restoration point.

Once you start a Nexus Repository instance, database and blob storage contents will diverge. After this, reverting to Orient will require restoring the blobstore(s) from the backup.

Use the following steps to revert to OrientDB:

  1. Shut down Nexus Repository

  2. Delete the following from the $data-dir/etc/nexus.properties file:

    nexus.datastore.enabled=true

  3. Restart Nexus Repository

We recommend running the blob store reconciliation task after reverting to reconcile changes to the blob store with the database with any binaries that you may have made since the migration.