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xen-devel
[Xen-devel] Re: [RFC PATCH 35/35] Add Xen virtual block device driver.
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To: |
Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> |
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Subject: |
[Xen-devel] Re: [RFC PATCH 35/35] Add Xen virtual block device driver. |
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From: |
Jeff Garzik <jeff@xxxxxxxxxx> |
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Date: |
Fri, 24 Mar 2006 08:37:15 -0500 |
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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 |
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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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