[Sheepdog] Current OpenStack compatibility for sheepdog?

MORITA Kazutaka morita.kazutaka at lab.ntt.co.jp
Thu Nov 3 10:05:09 CET 2011

At Thu, 03 Nov 2011 11:29:56 +0800,
Liu Yuan wrote:
> On 11/02/2011 11:21 PM, MORITA Kazutaka wrote:>
> >>
> >> Final question today: can you please remind me what the issues were with
> >> creating a block driver for Xen -was it the difference between the Xen
> >> version of qemu and the KVM version?  Is this possible and where would the
> >> changes need to be made to make sheepdog equally support Xen and KVM?
> > 
> > Yes, if we add a blktap driver for Sheepdog, we can use Sheepdog from
> > Xen-based virtual machines, I guess.  There is no technical reason we
> > can't use Sheepdog VDIs from other clients.  I hope someone would work
> > on implementing the Xen blktap driver. :)
> > 
> I have been involving with xen dev for sometime long ago when I was
> student and I have just checked the xen qemu-dm status, found that they
> are going to use upstream qemu.
> It is already maintained by the xen-qemu devver Stefano Stabellini.
> see
> git://xenbits.xen.org/people/sstabellini/qemu-dm.git
> I git-cloned this repo, and verified that it does support sheepdog block
> driver.
> But not sure when they will use up-stream synced qemu-dm.

I didn't know that Xen can use QEMU disk formats.  Interesting.



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