:ref:`The Raft upgrade procedure <verify-raft-procedure>`
or `the procedure for enabling consistent topology changes <https://opensource.docs.scylladb.com/branch-6.0/upgrade/upgrade-opensource/upgrade-guide-from-5.4-to-6.0/enable-consistent-topology.html>`_
got stuck because one of the nodes failed in the middle of the procedure and is irrecoverable.