Improvements

Rook v1.4.1 is a patch release limited in scope and focusing on small feature additions and bug fixes.

Ceph

• Integrated Ceph-CSI 3.1 with CephFS snapshotting and cloning. To enable this feature, if you had already updated to v1.4.0, re-apply upgrade-from-v1.3-apply.yaml in the upgrade guide. (#6017, @humblec)
• Enabled encryption of metadata OSDs on PVCs (#5977, @leseb)
• Fix psp clusterrole name for helm chart (#6028, @travisn)
• Mon failover should first scale down the failed mon before starting the new mon (#6029, @travisn)
• Use version of lvm command compatible with older versions of lvm (#6060, @leseb)
• Enable the object store in the Ceph dashboard (#4676, @thotz)
• Remove crash collector daemon on removed nodes (#6063, @leseb)
• Add support for wal device for OSDs on PVCs (#5580, @silverhandy)
• Check channel is open before closing during shutdown (#6033, @Madhu-1)
• Skip object validation for external clusters (#6039, @leseb)
• Add crushRoot to the pool CRD schema (#6014, @mridulv)
• Removed the storage provisioners usage from prometheus rules (#6019, @anmolsachan)
• Fix the health check for external clusters (#6018, @leseb)

Cassandra

• Fix a crash when applying annotations (#6056, @travisn)