Re: ceph nautilus namespaces for rbd and rbd image access problem

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On Mon, May 20, 2019 at 9:08 AM Rainer Krienke <krienke@xxxxxxxxxxxxxx> wrote:
>
> Hello,
>
> just saw this message on the client when trying and failing to map the
> rbd image:
>
> May 20 08:59:42 client kernel: libceph: bad option at
> '_pool_ns=testnamespace'

You will need kernel v4.19 (or later) I believe to utilize RBD
namespaces via krbd [1].

> Rainer
>
> Am 20.05.19 um 08:56 schrieb Rainer Krienke:
> > Hello,
> >
> > on a ceph Nautilus cluster (14.2.1) running on Ubuntu 18.04 I try to set
> > up rbd images with namespaces in order to allow different clients to
> > access only their "own" rbd images in different namespaces in just one
> > pool. The rbd image data are in an erasure encoded pool named "ecpool"
> > and the metadata in the default "rbd" pool.
> --
> Rainer Krienke, Uni Koblenz, Rechenzentrum, A22, Universitaetsstrasse 1
> 56070 Koblenz, Tel: +49261287 1312 Fax +49261287 100 1312
> Web: http://userpages.uni-koblenz.de/~krienke
> PGP: http://userpages.uni-koblenz.de/~krienke/mypgp.html
> _______________________________________________
> ceph-users mailing list
> ceph-users@xxxxxxxxxxxxxx
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[1] https://github.com/torvalds/linux/commit/b26c047b940003295d3896b7f633a66aab95bebd

-- 
Jason
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