Re: downgrading
2003-02-24 13:21:48
Hum. I thought the same originally as well. But I have about a
dozen tapes reacting the same way. Half are new and half are old. I use
vxa-1 v17 tapes. I find it unlikely that so many are defective/went bad
all together in one shot. What does your experience say?
robin
On Thu, 20 Feb 2003, Gene Heskett wrote:
> On Thu February 20 2003 17:50, rwong AT mrs.mni.mcgill DOT ca wrote:
> >This is what I did at the shell...
> >
> ># Pop in a tape.
> >% mt -f /dev/nst0 rewind
> >% mt -f /dev/nst0 fsf 1
> >% dd if=/dev/nst0 skip=1 bs=32k | tar tvf -
> >dd: reading `/dev/nst0': Input/output error
> >0+0 records in
> >0+0 records out
> >
> ># Let's try another file marker on the same tape.
> >% mt -f /dev/nst0 rewind
> >% mt -f /dev/nst0 fsf 10 # I just want to look at the file
> > header. % dd if=/dev/nst0 count=1 bs=32k
> >AMANDA: FILE 20030213 host1 /boot lev 1 comp N program /bin/gtar
> >To restore, position tape at start of file and run:
> > dd if=<tape> bs=32k skip=1 | /bin/gtar -f... -
> >
> >1+0 records in
> >1+0 records out
> >
> >
> >On the first dd attempt, this showed up in the log:
> >Feb 20 17:30:24 host1 kernel: st0: Error with sense data: Info
> > fld=0x8000, Current st09:00: sense key Medium Error Feb 20
> > 17:30:24 host1 kernel: Additional sense indicates Recorded entity
> > not found
> >
> >
> >I can read the other file markers...except file marker 1.
> >
> >robin
>
> This is resembling a bad media error more and more.
>
> >On Thu, 20 Feb 2003, Jon LaBadie wrote:
> >> > If I attempt to access file markers greater than 1, I don't
> >> > have any problems and there are no syslog messages. But if i
> >> > attempt to access file 1, it keels over and I get messages in
> >> > syslog.
> >>
> >> Would you describe what you are doing to access file 1?
> >> Give the command line, output, and messages.
> >
> >[This E-mail scanned for viruses by Declude Virus]
>
>
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