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Re: [Qemu-devel] [PATCH] This patch adds a new block driver : iSCSI

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH] This patch adds a new block driver : iSCSI
Date: Thu, 15 Sep 2011 14:58:35 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:6.0.2) Gecko/20110906 Thunderbird/6.0.2

On 09/15/2011 02:34 PM, Orit Wasserman wrote:
>  Then you need an iSCSI*target*  that understands qcow2, like qemu-nbd
>  but for iSCSI... that's exactly the thing you were worried about
>  implementing.

Not really , this is just part of the target configuration.
For each file in the chain we create a lun in the target that is backed
by the file and we number the luns in chronological order (base is lun
1) . you can look at a tgtd configuration here

That's surely a weird way to use iSCSI. :)

It's clever, but I would call that shared storage, since you need to share the details of the snapshot chain between the source and destination, down to the file names. We need a more precise nomenclature.


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