Re: KRBD use Luminous upmap feature.Which version of the kernel should i ues?

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On Mon, Sep 16, 2019 at 2:24 PM 潘东元 <dongyuanpan0@xxxxxxxxx> wrote:
>
> hi,
>    my ceph cluster version is Luminous run the kernel version Linux 3.10
>    [root@node-1 ~]# ceph features
> {
>     "mon": {
>         "group": {
>             "features": "0x3ffddff8eeacfffb",
>             "release": "luminous",
>             "num": 3
>         }
>     },
>     "osd": {
>         "group": {
>             "features": "0x3ffddff8eeacfffb",
>             "release": "luminous",
>             "num": 15
>         }
>     },
>     "client": {
>         "group": {
>             "features": "0x40106b84a842a52",
>             "release": "jewel",
>             "num": 3
>         },
>         "group": {
>             "features": "0x3ffddff8eeacfffb",
>             "release": "luminous",
>             "num": 170
>         }
>     }
> }
> Which version of the kernel should i ues?

You need any upstream kernel starting with 4.13 or a downstream kernel
with a backport.  For RHEL/CentOS, this is any kernel starting with 7.5
(3.10.0-862).

Thanks,

                Ilya
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