Re: krbd / kcephfs - jewel client features question

[Lei Liu <liul.stone@xxxxxxxxx>]

Hello  llya and paul,

Thanks for your reply. Yes, you are right, 0x7fddff8ee8cbffb is come from kernel upgrade, it's reported by a docker container (digitalocean/ceph_exporter) use for ceph monitoring.

Now upmap mode is enabled, client features:

"client": {
        "group": {
            "features": "0x7010fb86aa42ada",
            "release": "jewel",
            "num": 6
        },
        "group": {
            "features": "0x3ffddff8eea4fffb",
            "release": "luminous",
            "num": 6
        }
    }

Thanks again.

Ilya Dryomov <idryomov@xxxxxxxxx> 于2019年10月21日周一 下午6:38写道：

On Sat, Oct 19, 2019 at 2:00 PM Lei Liu <liul.stone@xxxxxxxxx> wrote:
>
> Hello llya,
>
> After updated client kernel version to 3.10.0-862 , ceph features shows:
>
> "client": {
>         "group": {
>             "features": "0x7010fb86aa42ada",
>             "release": "jewel",
>             "num": 5
>         },
>         "group": {
>             "features": "0x7fddff8ee8cbffb",
>             "release": "jewel",
>             "num": 1
>         },
>         "group": {
>             "features": "0x3ffddff8eea4fffb",
>             "release": "luminous",
>             "num": 6
>         },
>         "group": {
>             "features": "0x3ffddff8eeacfffb",
>             "release": "luminous",
>             "num": 1
>         }
>     }
>
> both 0x7fddff8ee8cbffb and 0x7010fb86aa42ada are reported by new kernel client.
>
> Is it now possible to force set-require-min-compat-client to be luminous, if not how to fix it?

No, you haven't upgraded the one with features 0x7fddff8ee8cbffb (or
rather it looks like you have upgraded it from 0x7fddff8ee84bffb, but
to a version that is still too old).

What exactly did you do on that machine?  That change doesn't look like
it came from a kernel upgrade.  What is the output of "uname -a" there?

Thanks,

                Ilya

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