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Re: [Xen-devel] [PATCH][ACM] kernel enforcement of vbd policies via blkback driver

On Thu, 2006-07-27 at 18:06 +0100, Harry Butterworth wrote:
> Even with local devices there is no security on the device side of the
> device driver.  Consider the case of a locally attached sata drive
> containing 2 partitions, one for each of two domains.  It's not unheard
> of for disk drives to write the data in the wrong place.  Or read and
> return the wrong block.  Happens all the time.

And there's all that unaudited code in the motherboard RAID
implementation.  What's to say that isn't going to shuffle your data
between partitions?

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