If manually deleted, the DSEFS keyspace (dsefs) is not automatically recreated by a node restart. Workarounds for recovering from manual deletion of DSEFS keyspaces.
Troubleshooting starting and installing DataStax Enterprise
Troubleshooting problems when starting or installing DataStax Enterprise.
DSE does not start after the DSEFS keyspace is dropped If manually deleted, the DSEFS keyspace (dsefs) is not automatically recreated by a node restart. Workarounds for recovering from manual deletion of DSEFS keyspaces.