Re: Problems to restore a backup from AIT Tape Drive w/ RH9.0 (Shrike)

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I'd take a guess that the tape device can't handle multiple short reads with a stop between each.

Can you extract the entire file OK?
(dd if=/dev/st0 of=/dev/null)

If so can you pipe (cat /dev/st0 | tar xvf - foo/bar/mumble)

if not can you put the entire backup tape on the hard drive as a (huge) tar file and extract from the file?

Brian Brunner
brian.t.brunner@xxxxxxxxxxxxxxx
(610)796-5838

>>> fmacunha@xxxxxxxxxxxxxxxxx 07/14/05 12:29PM >>>
Hello,
I use RH 9.0 (Shrike), with Adaptec 19160 Ultra 160 and Sony AIT-2 to do my backups. Everything was fine, but yesterday I have to restore a file and I can t.

I can see what I have inside my tape, using 

#tar -tvf /dev/st0 

but when I try to extract my backup using 

#tar -xvf /dev/st0 somedirectory/somesubdirectory/myfile 

I get this error messages from my /var/log/messages 90 minutes later I typed the command : 

Jul 14 11:27:53 servarq kernel: (scsi0:A:0:0): Unexpected busfree in Data-in phase
Jul 14 11:27:53 servarq kernel: SEQADDR == 0x8c
Jul 14 11:27:53 servarq kernel: st0: Error 70000 (sugg. bt 0x0, driver bt 0x0, host bt 0x7).
Jul 14 11:27:53 servarq kernel: st0: Error 10000 (sugg. bt 0x0, driver bt 0x0, host bt 0x1).
Jul 14 11:27:56 servarq last message repeated 9 times
Jul 14 11:27:56 servarq kernel: st0: Error with sense data: Info fld=0x40, Current st09:00: sense key Unit Attention
Jul 14 11:27:56 servarq kernel: Additional sense indicates Power on,reset,or bus device reset occurred
Jul 14 11:27:56 servarq kernel: st0: Error with sense data: Current st09:00: sense key Not Ready
Jul 14 11:27:56 servarq kernel: Additional sense indicates Medium not present

I am completely lost ... Somebody could help me or simply give an idea on what is happening ????

Regards.

InfraNet Tecnologia
Fábio M. A. Cunha
(55 11) 5542-0941 ramal 22
(55 11) 8456-5283
www.infranetsp.com.br 
www.fsf.org 

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