[sheepdog] [Sheepdog]Openstack support sheepdog matters?

[harryxiyou]

On Fri, Jan 18, 2013 at 7:53 PM, Liu Yuan <namei.unix at gmail.com> wrote:
> On 01/18/2013 07:38 PM, harryxiyou wrote:
[...]
> I haven't yet set up Openstack with a success, but I think iSCSI and
> QEMU/libvirt(which can speak Sheepdog protocol to manipulate virtual
> volumes) is two different software stacks. They are only correlated as
> far as we speak of Openstack's block storage. I have no idea how iSCSI
> is implemented in Openstack, but I guess it makes use of existing
> open-iscsi as its client side interface, which talks to iSCSI server
> such as TGT target. So for sheepdog, I think we only need to retrofit
> the old un-merged bs_sheepdog.c in TGT project to a full working state.
> Then we can store volumes directly into Sheepdog cluster over iSCSI
> protocol.
>
> As for performance, I think using QEMU/Libvirt will give us better
> performance since there is no extra iSCSI component in the IO path.
>
Thanks for your help, i understand your ideas ;-)
Does Morita have any other suggestions?

-- 
Thanks
Harry Wei