On Mon, Aug 20, 2018 at 4:52 PM Dietmar Rieder
<dietmar.rieder@xxxxxxxxxxx> wrote:
>
> Hi Cephers,
>
>
> I wonder if the cephfs client in RedHat/CentOS 7.5 will be updated to
> luminous?
> As far as I see there is some luminous related stuff that was
> backported, however,
> the "ceph features" command just reports "jewel" as release of my cephfs
> clients running CentOS 7.5 (kernel 3.10.0-862.11.6.el7.x86_64)
>
>
> {
> "mon": {
> "group": {
> "features": "0x3ffddff8eea4fffb",
> "release": "luminous",
> "num": 3
> }
> },
> "mds": {
> "group": {
> "features": "0x3ffddff8eea4fffb",
> "release": "luminous",
> "num": 3
> }
> },
> "osd": {
> "group": {
> "features": "0x3ffddff8eea4fffb",
> "release": "luminous",
> "num": 240
> }
> },
> "client": {
> "group": {
> "features": "0x7010fb86aa42ada",
> "release": "jewel",
> "num": 23
> },
> "group": {
> "features": "0x3ffddff8eea4fffb",
> "release": "luminous",
> "num": 4
> }
> }
> }
>
>
> This prevents me to run ceph balancer using the upmap mode.
>
>
> Any idea?
Hi Dietmar,
All luminous features are supported in RedHat/CentOS 7.5, but it shows
up as jewel due to a technicality. Just do
$ ceph osd set-require-min-compat-client luminous --yes-i-really-mean-it
to override the safety check.
See https://www.spinics.net/lists/ceph-users/msg45071.html for details.
It references an upstream kernel, but both the problem and the solution
are the same.
Thanks,
Ilya
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