On Tue, Jul 9, 2019 at 4:32 PM Mattia Belluco <mattia.belluco@xxxxxx> wrote:
Hi Paul,
Should I just go ahead?
yes
My guess is that those clients (that are CephFS
clients using the kernel driver) will not be able to mount the
filesystem anymore.
no, that will continue to work because it only blocks clients that don't support certain features.
Kernel >= 4.13 works IIRC
Paul
Mattia
On 7/9/19 4:23 PM, Paul Emmerich wrote:
> Yes, upmap will work with 4.15. The Ceph kernel client is a completely
> independent implementation from the user space client, so you can't
> really map it to any specific features. It has some Luminous features
> but lacks others.
>
>
> Paul
> --
> Paul Emmerich
>
> Looking for help with your Ceph cluster? Contact us at https://croit.io
>
> croit GmbH
> Freseniusstr. 31h
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>
>
> On Tue, Jul 9, 2019 at 4:20 PM Mattia Belluco <mattia.belluco@xxxxxx
> <mailto:mattia.belluco@xxxxxx>> wrote:
>
> Hello ml,
>
> I have been looking for an updated table like the one you can see here:
>
> https://ceph.com/geen-categorie/feature-set-mismatch-error-on-ceph-kernel-client/
>
>
> Case in point we would like to use upmap on our ceph cluster (currently
> used mainly for CephFS) but `ceph feature` return:
>
> "client": [
> {
> "features": "0x7010fb86aa42ada",
> "release": "jewel",
> "num": 69
> },
> ]
>
> despite the CephFS clients running with a fairly recent 4.15 kernel.
>
> If anyone has any pointers they would be most welcome
>
> Kind regards
>
> Mattia
>
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--
Mattia Belluco
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