Ok, but I've kernel 3.19.0-39-generic, so the new version is supposed to
work right?, and I'm still getting issues while trying to map the RBD:
$ *sudo rbd --cluster cephIB create e60host01vX --size 100G --pool rbd -c
/etc/ceph/cephIB.conf*
$ *sudo rbd -p rbd bench-write e60host01vX --io-size 4096 --io-threads 1
--io-total 4096 --io-pattern rand -c /etc/ceph/cephIB.conf*
bench-write io_size 4096 io_threads 1 bytes 4096 pattern random
SEC OPS OPS/SEC BYTES/SEC
elapsed: 0 ops: 1 ops/sec: 29.67 bytes/sec: 121536.32
$ *sudo rbd --cluster cephIB map e60host01vX --pool rbd -c
/etc/ceph/cephIB.conf*
rbd: sysfs write failed
rbd: map failed: (5) Input/output error
$ *sudo rbd -p rbd info e60host01vX -c /etc/ceph/cephIB.conf*
rbd image 'e60host01vX':
size 102400 MB in 25600 objects
order 22 (4096 kB objects)
block_name_prefix: rbd_data.5f03238e1f29
format: 2
features: layering, exclusive-lock, object-map, fast-diff, deep-flatten
flags:
Any other idea of what could be the problem here?
*German*
2016-03-30 5:15 GMT-03:00 Ilya Dryomov <idryo...@gmail.com>:
> On Wed, Mar 30, 2016 at 3:03 AM, Jason Dillaman <dilla...@redhat.com>
> wrote:
> > Understood -- format 2 was promoted to the default image format starting
> with Infernalis (which not all users would have played with since it isn't
> LTS). The defaults can be overridden via the command-line when creating
> new images or via the Ceph configuration file.
> >
> > I'll let Ilya provide input on which kernels support image format 2, but
> from a quick peek on GitHub it looks like support was added around the v3.8
> timeframe.
>
> Layering (i.e. format 2 with default striping parameters) is supported
> starting with 3.10. We don't really support older kernels - backports
> are pretty much all 3.10+, etc.
>
> Thanks,
>
> Ilya
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