Re: [Qemu-devel] [PATCH] Add iSCSI support for QEMU

[Stefan Hajnoczi]

On Wed, Sep 14, 2011 at 4:40 PM, Christoph Hellwig <address@hidden> wrote:
> On Wed, Sep 14, 2011 at 04:35:50PM +0100, Stefan Hajnoczi wrote:
>> I think the motivation for iSCSI target support in QEMU is exactly
>> what you mentioned - providing shared storage.  In migration scenarios
>> it is necessary temporarily make shared storage possible with an image
>> that is on a local disk.
>
> Why do we need to use the complex iSCSI protocol for that instead of
> simply using NBD?

I think NBD would be fine, especially with a flush command.

Stefan