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Re: [libvirt] [PATCH] rbd: Use rbd_create3 to create RBD format 2 images by default



On Thu, Jan 2, 2014 at 10:01 AM, Wido den Hollander <wido widodh nl> wrote:
>
>
> On 12/11/2013 03:47 PM, Wido den Hollander wrote:
>>
>> This new RBD format supports snapshotting and cloning. By having
>> libvirt create images in format 2 end-users of the created images
>> can benefit of the new RBD format.
>>
>> Older versions of libvirt can work with this new RBD format as long
>> as librbd supports format 2, something that all recent versions of
>> librbd do.
>>
>
> Did somebody get a look at this patch yet? It's a fairly simple one, but
> would be great for the Ceph project!
>

So I'm thinking we might want to do something similar with the compat
attribute added for qcow2 for the versioning that way things are
explicitly stated rather than implicitly switching versions on us.

-- 
Doug Goldstein


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