Date: 18 Apr 1999 00:08:00 +0200 From: maulwurf@subloch.medicusnet.de (Stefan Huerter) To: freebsd-scsi@freebsd.org Cc: martin.kraft@fal.de Subject: Re: i/o error with larger QIC Message-ID: <7F6ncL5zoRB@subloch.medicusnet.de> In-Reply-To: <Pine.LNX.4.04.9904171445340.13156-100000@feral-gw>
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Guckux Matthew
> > What's that?!?!?!
> >
> > I typed "mt blocksize 0", and -- the first time -- I could tar -t
> > and tar -x a file from my old DC 6525. Great! So far :-(
> >
> > I extracted a small file close to the beginning of the tape. It
> > took just a few seconds (as usual) and the file was on my disk.
> >
> > But after that, the tape didn't rewind and stop, as it did in
> > former time, it now is rewinding forwards and backwards since
> > more than 30 minutes.
>
> This is what I'm worried about. If you're in *variable* mode, the
> drive is faking it. QIC is a fixed block format. If you set it to
> variable mode, I think it tries to guess the block layout, and it
> sounds like it's having a rough go of it.
>
> >
> > What a surprise
> >
> > Martin Kraft
> >
> >
> > P.S. 35 minutes. Just another turn. I will kill the tar process,
> > because I don't have a fire extinguisher at home ... Very strange
> > ...
> >
>
> Do you remember what blocksize you *wrote* these tapes with? If you
> do, set the blocksize for the drive fixed at that size and try
> read with the tar command (setting to the blocksize you used to
> write the tape). I really wish I had manuals for this drive so I
> could try and figure what they're trying to do.
I made a few tests before I get this tip from Joerg, so I tried to use tar
with the blocksize of 10240bytes, but this won't work. I get only I/O
errors...
Bye
Stefan
---
Hoffnung ist verantwortlich fuer den Vorwaertstrieb eines Menschen.
Wird diese zerstoert, wird am Menschen etwas zerstoert.
Ueberlebt er dieses und setzt sich damit auseinander, wird er gestaerkt
wieder erwachen. (Stefan H.)
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