You need 2.2.14 and my ide-patch set.
http://linux.kernel.org/pub/linux/kernel/people/hedrick/
The ide-tape driver is updated and supports OnStream's DI-30.
ide-tape: ht0: I/O error, pc = 1e, key = 5, asc = 20, ascq = 0
Blow off this error for now...
On Tue, 18 Jan 2000, Joshua R. Bertram wrote:
>
> Hi,
>
> I'm trying to diagnose and fix a tape backup/restore problem with a Connor
> CTT8000-A tape drive. I've tried to get it working using both kernel
> versions 2.2.12-20 (not sure where the -20 came from.. should be the
> default installed with RH6.1) and 2.2.14, with the same results.
>
> I started the backup with the following command:
> tar cvf /dev/tape /home
>
> /dev/tape is a symbolic link to /dev/ht0
>
> I watched the archival go for maybe 10 mins before I went to class. After
> some amount of time ( < 2 hrs ), I get the following errors:
>
> ide-tape: ht0: I/O error, pc = a, key = 6, asc = 28, ascq = 0
> ide-tape: ht0: DSC timeout
> hdd: ATAPI reset complete
> ide-tape: ht0: I/O error, pc = a, key = 0, asc = 0, ascq = 0
> ide-tape: ht0: DSC timeout
> hdd: ATAPI reset complete
> (times at least 6 more a,0,0,0 errors until the next a,6,28,0 error)
>
> I looked up the sense key codes and found that the 6,28,0 error translates
> to "UNIT ATTENTION: NOT READY TO READY TRANSITION ( MEDIUM MAY HAVE
> CHANGED )". That particular error doesn't meant a lot to me, so maybe I'm
> overlooking something very obvious. The tape didn't "change", as far as I
> can tell--it's the same physical tape as I put in earlier and I didn't
> remove the tape to inspect it until after I got the errors in the first
> place. At this point, I have killed the tar process, but I'm still
> getting the error messages on my console.
>
> Now, one thing that I've noticed is that the home directory that I'm
> backing up is ~4GB and my tape is a 4GB/8GB Travan tape. If I'm writing
> more than 4GB to the tape (because tar doesn't actually compress, does
> it?), would that cause this error? If so, why don't I get a nice,
> friendly error message? I haven't had a chance to test it w/ a smaller
> directory because the tape drive is essentially dead and I can't reset this
> server until tonight.
>
> I haven't found anything yet on the web or in this archive that matches
> my problem, exactly, so I'm emailing this list in the event that it is a
> kernel issue. If I can do anymore on this end to debug the problem,
> please let me know.
>
> Also, I'm not on this email list, so please CC me (jbertram@iastate.edu) on
> any responses.
>
> Thanks,
> J.
>
> -------------------------------------------------------------------
> Joshua R Bertram ----$$$$$$$$$$------ jbertram@iastate.edu
> Homepage: http://www.public.iastate.edu/~jbertram
> Resume: http://www.public.iastate.edu/~jbertram/resume.html
> -------------------------------------------------------------------
>
>
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>
Andre Hedrick
The Linux IDE guy
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