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Re: [Xen-devel] Xen blktap driver for Ceph RBD : Anybody wants to test ? :p

On Thu, Apr 18, 2013 at 05:05:29PM +0200, Sylvain Munaut wrote:
> Hi,

> I've been working on getting a working blktap driver allowing to
> access ceph RBD block devices without relying on the RBD kernel driver
> and it finally got to a point where, it works and is testable.

Great! Ceph distributed block storage is cool.

> Some of the advantages are:
>  - Easier to update to newer RBD version
>  - Allows functionality only available in the userspace RBD library
> (write cache, layering, ...)
>  - Less issue when you have OSD as domU on the same dom0
>  - Contains crash to user space :p (they shouldn't happen, but ...)
> It's still an early prototype, but if you want to give it a shot and
> give feedback.
> You can find the code there https://github.com/smunaut/blktap/tree/rbd
>  (rbd branch).
> Currently the username, poolname and image name are hardcoded ...
> (look for FIXME in the code). I'll get to that next, once I figured
> the best format for arguments.

If you have time to write up some lines about steps required to test this,
that'd be nice, it'll help people to test this stuff.


-- Pasi

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