Ceph: Tracking the version of clients connecting to the cluster

This Article is valid for RHCS 5.x (Pacific) and higher

Checking the client version of the Ceph Services:

[root@edon-0 ~]# ceph features
{
    "mon": [
        {
            "features": "0x3f01cfbf7ffdffff",
            "release": "luminous",
            "num": 5
        }
    ],
    "mds": [
        {
            "features": "0x3f01cfbf7ffdffff",
            "release": "...