[ceph-users] Luminous cluster - how to find out which clients are still jewel?

Linh Vu vul at unimelb.edu.au
Mon May 28 23:39:04 PDT 2018

Hi all,

I have a Luminous 12.2.4 cluster. This is what `ceph features` tells me:


    "client": {
        "group": {
            "features": "0x7010fb86aa42ada",
            "release": "jewel",
            "num": 257
        "group": {
            "features": "0x1ffddff8eea4fffb",
            "release": "luminous",
            "num": 820

How do I find out which clients (IP/hostname/IDs) are actually on jewel feature set?


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