Re: rbd image association

[Wido den Hollander <wido@42on.com>]

On 06/03/2013 09:17 AM, Roman Alekseev wrote:
> On 03.06.2013 11:08, Wolfgang Hennerbichler wrote:
>> On Mon, Jun 03, 2013 at 10:52:14AM +0400, Roman Alekseev wrote:
>>> Hi,
>>>
>>> Is it possible to associate certain rbd device with the appropriate
>>> rbd image (for example : image1 > /dev/rbd0)?
>>> We always need to map image1 to /dev/rbd0, image2 to /dev/rbd1 etc.
>>> Because I'm using /dev/rbd* in some configuration files.
>> Hi,
>>
>> I can't remember exactly, but I think there is something like
>> /dev/rbd/<pool>/<imagename> which simply symlinks to /dev/rbdX. This
>> should solve your issue.
>>> Thanks
>> HTH
>> Wolfgang
>>
> Dear Wolfgang,
>
> I was trying to use the command ln -s /dev/rbd1 image1 but it creates
> wrong symlink. Most likely there is more specific command to symlink the
> image and device correctly.
>

Why are you symlinking? Like Wolfgang mentioned, udev takes care of this 
for you.

Just use /dev/rbd/pool/imagename which is created by udev.

> Thanks.
>


-- 
Wido den Hollander
42on B.V.

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