Hi Alan :)

 * Alan Stern <[EMAIL PROTECTED]> dixit:
> On Thu, 23 Nov 2006, DervishD wrote:
> >     Which seems to confirm my suspicions: The adapter is trying
> > to get a sector while the drive is, e.g. dumping its internal
> > cache or something. The drive is not responding as fast as the
> > adapter wants and then all goes bad. The most peculiar thing is
> > that these IO errors NEVER happen during writes! They happen only
> > when writing, and that's even more strange :???
> 
> By the way, since about 2.6.14 the SCSI core has been set to
> automatically retry commands that get a Hardware error.  This
> should have made the copying more reliable, but it's hard to tell
> exactly what's happening.  It could be that they aren't directly
> related to the compare mismatches you see.

    I haven't had the IO errors under the Ubuntu 2.6.x kernel, if I
recall correctly, but since I have done lots of tests with at least
three different kernels, I can't swear they didn't produce. I'll test
if I can reboot later.

    Raúl Núñez de Arenas Coronado

-- 
Linux Registered User 88736 | http://www.dervishd.net
It's my PC and I'll cry if I want to... RAmen!

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