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: [email protected] 
[mailto:[email protected]] On Behalf Of Dyweni - Ceph-Users
Sent: Thursday, April 24, 2014 10:08 AM
To: [email protected]
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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