Hi,

What is the ceph tunables? how it affects the cluster?
I upgrade my kernel I do not understand why I have to disable features?

On Oct 21, 2016 19:39, "Ilya Dryomov" <[email protected]> wrote:

> On Fri, Oct 21, 2016 at 5:50 PM, fridifree <[email protected]> wrote:
> > Hi everyone,
> > I'm using ceph jewel running on Ubuntu 16.04 (kernel 4.4) and Ubuntu
> 14.04
> > clients (kernel 3.13)
> > When trying to map rbd to the clients and to servers I get error about
> > feature set mismatch which I didnt get on hammer.
> > Tried to upgrade my clients to kernel 4.8 and 4.9rc1 I got an error about
> > missing 0x38 feature.
> >
> > Any suggestions?
>
> See
>
> http://lists.opennebula.org/pipermail/ceph-users-ceph.com/
> 2016-May/009635.html
>
> Thanks,
>
>                 Ilya
>
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