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Date:      Sat, 9 May 1998 10:15:56 -0700 (PDT)
From:      Tom <tom@sdf.com>
To:        Terry Lambert <tlambert@primenet.com>
Cc:        wilko@yedi.iaf.nl, kpielorz@caladan.tdx.co.uk, beng@lcs.mit.edu, dec@phoenix.its.rpi.edu, freebsd-hackers@FreeBSD.ORG
Subject:   Re: dump/restore problem (was: Network problem with 2.2.6-RELEASE)
Message-ID:  <Pine.BSF.3.95q.980509100251.9852A-100000@misery.sdf.com>
In-Reply-To: <199805090948.CAA26803@usr06.primenet.com>

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On Sat, 9 May 1998, Terry Lambert wrote:

> The potential problem there is that it's using the IDE bus.
> 
> In general, I do not own IDE hardware, and I  do not have the
> problems you are seeing.
> 
> Neither does anyone else who doesn't own IDE hardware.

  Really?  I never did hear from mishania@demos.net (who is having the
same problem) on what he is backing up from.  I think he was doing SCSI
disk to SCSI disk actually.

> The real question here is whether or not you can eliminate the IDE
> as a cause of the problem.

  The real question is why have you determined that the cause is IDE and
forced me to disprove it?  There is no evidence of file corruption or
other damage that would occur if IDE is broken.

  The next real question, is if your really serious about debugging this
problem, why you don't want to see the first few megs of one of these
damaged dump archives?

> I *know* that John has done a lot of work on the IDE driver; much
> of this work is in -current, not -stable, and I doubt it has been
> seriously tested with all possible hardware.

  I wish you could develop the ability to read PRs, and look up bin/4683
Many different versions of FreeBSD are affected.

  Also, the IDE drive is very solid.  Thousands of FreeBSD users use
IDE.  John has been working on new functionality for wdc (UltraDMA
mainly).

> Can you copy the disk to a SCSI drive (with TAR, if you insist),
> and try the dump/restore from there?

  I don't have 20 to 30GB of free SCSI disk space.  Remember, this is a
32GB filesystem generally about 70 to 90% full.

> 
> 					Terry Lambert
> 					terry@lambert.org
> ---
> Any opinions in this posting are my own and not those of my present
> or previous employers.

Tom


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