[5.0] Admin Guide - POWERING DOWN AND REBOOTING RED HAT CEPH STORAGE CLUSTER Some of the steps that are mentioned in this section are not relevant for RHCS 5.0 ceph mds deactivate FS_NAME:1 # rank 2 of 2 - deactivate command is not working // ceph fs set FS_NAME cluster_down true - cluster_down is degraded. https://docs.ceph.com/en/latest/cephfs/administration/#taking-the-cluster-down
verified.