Re: tape drive: Error with sense data

From: Jean-David Beyer (jdbeyer_at_exit109.com)
Date: 10/11/04 

Date: Sun, 10 Oct 2004 21:37:50 -0400

Mr. Murphy Wong wrote (in part):
>

> My guess is, there are 4 possible causes:
> 1) tap drive (should not be the case);
> 2) SCSI error (don't know yet but the green light is on at the SCSI
> terminator);
> 3) driver error (but the mt command still works, seem like the blocking
> factor, density problem of the tape but I tried rebuilding the /dev/st0
> without any improvement);
> 4) Fedora Core2 kernel error.
>
> Any other suggetions? I see quite a lot of people having the same
> problem in the news group...
>
I have two SCSI tape trives, one on each of two computers. One is about
three years old and gets problems only when a tape gets about three years
old (running two passes or so per week), or when I put an incompatible
tape in the drive (A VXA-2 tape in a VXA-1 drive: the tapes are the same,
but a VXA-1 drive cannot read a tape formatted for VXA-2, and knows it,
and turns on error lights).

The other drive started its useful life in about May 2004 and has never
had a problem as you describe.

If you get the Door Open problem solved (possibly a defective microswitch,
or the link between the door and the microswitch), it may be you are
putting a bad tape in. Try putting a factory fresh tape in. 

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