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Re: [Qemu-devel] Re: [PATCH] virtio-blk: add SGI_IO passthru support

From: Christoph Hellwig
Subject: Re: [Qemu-devel] Re: [PATCH] virtio-blk: add SGI_IO passthru support
Date: Wed, 29 Apr 2009 12:50:04 +0200
User-agent: Mutt/1.3.28i

On Tue, Apr 28, 2009 at 09:09:52PM +0200, Christian Borntraeger wrote:
> Yes, virtio-scsi is also something we were thinking of. The last time we 
> discussed this idea of SCSI passthrough internally, we stumbled over error 
> recovery. Who is responsible for the error recovery? The host, the guest, or 
> both? Are there problems, which will trigger error recovery in the guest and 
> host midlayer at the same time? To be honest, my scsi knowledge is very 
> limited, so I dont know if that is a real problem.

I'm not that far with planning yet.  The best way would be to do real
error handling in the host probably.

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