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Re: [Qemu-devel] [PATCH 1/1] iscsi: add iSCSI block device support
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From: |
Stefan Hajnoczi |
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Subject: |
Re: [Qemu-devel] [PATCH 1/1] iscsi: add iSCSI block device support |
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Date: |
Wed, 24 Nov 2010 19:14:33 +0000 |
On Wed, Nov 24, 2010 at 5:04 PM, Christoph Hellwig <address@hidden> wrote:
> Do you have any performance numbers showing why the addition of the
> code is nessecary over just using the kernel iscsi initiator? Which
> btw, is a lot more flexible as it also supports SG_IO passthrough
> and thus accessing other devices not supporting the SBC command set.
With userspace iSCSI initiator support setup becomes easy, portable,
and doesn't require admin privileges:
qemu -drive file=iscsi:...
That's pretty compelling. I don't know if people who already use
iSCSI today will want to switch but it provides an easy entry into
iSCSI.
Stefan