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I Get it !
by now , sheepdog is used as qemu device, not iscsi 。 I will reference your
advices
3x

On Tue, Oct 30, 2012 at 11:41 PM, Huang Zhiteng <winston.d at gmail.com> wrote:

> On Tue, Oct 30, 2012 at 11:03 PM, Kang Hua <kanghua151 at gmail.com> wrote:
> > Hi friend:
> >    I wonder , sheepdog that as backend for volume service is how to use
> and
> > implment?
> >    it is exposed as a iscsi device? or as a qemu block device ?
> >    if it as a qemu block device , how it can be used for hvm-xen ?
> SheepDog block(object) can be directly used as Qemu device,
> theoretically it can be used by any hypervisor that uses Qemu to do
> disk emulation, so I think upstream Xen + libvirt + HVM guest should
> work fine with SheepDog.  Meanwhile, it's possible to use SheepDog
> object as iSCSI target's backing store.  This way, SheepDog can
> support more hypervisor such ESXi and Hyper-V.
> >    For,I want integrate my opensource block device storage - HLFS
> > (http://code.google.com/p/cloudxy/wiki/WHAT_IS_CLOUDXY) into openstack,
> I do
> > not know whether I must implement a iscsi target ?
> I think iSCSI is the best option if you want to support different
> hypervisors.  If you don't, you can just implement one special driver
> to certain hypervisor(s).
> >    3x a lottttttttttttttttttt!
> >
> > Kanghua
> >
> > _______________________________________________
> > OpenStack-dev mailing list
> > OpenStack-dev at lists.openstack.org
> > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
> >
>
>
>
> --
> Regards
> Huang Zhiteng
>
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