Great!  I've just confirmed this with 3.12.

However, I also see 'rbd: image test1: WARNING: kernel layering is EXPERIMENTAL!' FYI



On 2014-04-24 13:07, McNamara, Bradley wrote:
I believe any kernel greater than 3.9 supports format 2 RBD's.  I'm
sure someone will correct me if this is a misstatement.

Brad

-----Original Message-----
From: ceph-users-boun...@lists.ceph.com
[mailto:ceph-users-boun...@lists.ceph.com] On Behalf Of Dyweni -
Ceph-Users
Sent: Thursday, April 24, 2014 10:08 AM
To: ceph-users@lists.ceph.com
Subject: [ceph-users] RBD Cloning

Hi,

Per the docs, I see that cloning is only supported in format 2, and
that the kernel rbd module does not support format 2.

Is there another way to be able to mount a format 2 rbd image on a
physical host without using the kernel rbd module?

One idea I had (not tested) is to use rbd-fuse to expose the rbd
images and then use kpartx/device-mapper to mount from there...

Thanks,
Dyweni

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