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Date: Wed, 14 Sep 2011 16:35:50 +0100
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From: Stefan Hajnoczi <stefanha@gmail.com>
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Subject: Re: [Qemu-devel] [PATCH] Add iSCSI support for QEMU
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To: Christoph Hellwig <hch@lst.de>
Cc: Kevin Wolf <kwolf@redhat.com>, stefanha@linux.vnet.ibm.com, qemu-devel@nongnu.org, fujita.tomonori@lab.ntt.co.jp, Orit Wasserman <owasserm@redhat.com>, RonnieSahlberg <ronniesahlberg@gmail.com>

On Wed, Sep 14, 2011 at 3:37 PM, Christoph Hellwig <hch@lst.de> wrote:
> On Wed, Sep 14, 2011 at 03:24:38PM +0300, Orit Wasserman wrote:
>> Looks quite good, didn't have any more comments.
>> We can use it for streaming with non shared storage with minor changes
>> (http://wiki.qemu.org/Features/LiveBlockMigration#ISCSI_for_non_shared_s=
torage)
>
> That whole section makes little sense to me. =A0An iSCSI target with mult=
iple
> initiator talking to it is by defintion shared storage. =A0Having the tar=
get
> on the same physical box as on of the initiators doesn't really change th=
at.

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.

Stefan