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Re: [Qemu-devel] tcmu-runner and QEMU


From: Paolo Bonzini
Subject: Re: [Qemu-devel] tcmu-runner and QEMU
Date: Mon, 01 Sep 2014 10:08:45 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.0

Il 31/08/2014 22:03, Andy Grover ha scritto:
>> So I think what you want is a `qemu-iscsi'?  ie. the same as qemu-nbd,
>> but with an iSCSI frontend (to replace the NBD server).
> 
> You want qemu to be able to issue SCSI commands over iSCSI? I thought
> qemu used libiscsi for this, to be the initiator. What Benoit and I have
> been discussing is the other side, enabling qemu to configure LIO to
> handle requests from other initiators

Right, you're talking about the same thing; qemu-nbd is an NBD server
(matching a "target" in SCSI speak) that understands qcow2.

Paolo

> (either VMs or iron) over iSCSI or
> FCoE, but backed by qcow2 disk images. The problem being LIO doesn't
> speak qcow2 yet.




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