Jewel clients on recent cluster

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Hi all,

we have a cluster starting from jewel to octopus nowadays. We would like
to enable Upmap but unfortunately  there are some old Jewel clients
active. We cannot force Upmap by:  ceph osd
set-require-min-compat-client luminous    Because of production state,
we must not lose any client. ;-)

    "client": [
        {
            "features": "0x27018fb86aa42ada",
            "release": "jewel",
            "num": 7
        },
        {
            "features": "0x3f01cfb8ffadffff",
            "release": "luminous",
            "num": 6
        }

The cluster and all clients are v15.2.3 and my assumtion was, that
Centos7 with kernel 3.10 have backported kernel modules. Am i wrong?

  
I also checked Centos7 client with 4.20-ml kernel without success.
Clients always appear as Jewel clients...  Fresh Centos8 run as Luminous
client as expected.

BTW: Is there a trick to identify Jewel clients by IP address / Hostname?

Thank you much,

Christoph


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Christoph Ackermann | System Engineer


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