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    |   xen-devel
[Xen-devel] Re: [RFC PATCH 35/35] Add Xen virtual block device	driver. 
| To: | Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> |  
| Subject: | [Xen-devel] Re: [RFC PATCH 35/35] Add Xen virtual block device	driver. |  
| From: | Jeff Garzik <jeff@xxxxxxxxxx> |  
| Date: | Fri, 24 Mar 2006 08:37:15 -0500 |  
| Cc: | Ian Pratt <m+Ian.Pratt@xxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx,	SCSI Mailing List <linux-scsi@xxxxxxxxxxxxxxx>,	Ian Pratt <ian.pratt@xxxxxxxxxxxxx>,	linux-kernel@xxxxxxxxxxxxxxx, Chris Wright <chrisw@xxxxxxxxxxxx>,	virtualization@xxxxxxxxxxxxxx |  
| Delivery-date: | Fri, 24 Mar 2006 16:45:29 +0000 |  
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Jeff Garzik wrote:
 In fact, SCSI should make a few things easier, because the notion of 
host+bus topology is already present, and notion of messaging is already 
present, so you don't have to recreate that in a Xen block device 
infrastructure.
 
Another benefit of SCSI:  when an IBM hypervisor in the Linux kernel 
switched to SCSI, that allowed them to replace several drivers (virt 
disk, virt cdrom, virt floppy?) with a single virt-SCSI driver. 
        Jeff
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