Re: [flexbackup-help] /dev/nst0: Input/output error

[Brian B. <bb...@my...>]

I changed tapes and have had two successful backups since my first 
attempt.  Looks like I grabbed a bad tape for my first test.  Thanks 
anyway for the help.  I learned more about flexbackup.

Cheers,
BB

Brian Barber
Ottawa, ON   CANADA
brian.barber at mysun.com

----- Original Message -----
From: "Brian Barber" <bb...@my...>
Date: Saturday, January 25, 2003 3:53 pm
Subject: Re: [flexbackup-help] /dev/nst0: Input/output error

> Thanks for the direction.  I'll try the things you suggested.  
> BTW, the 
> following is the output of 'mt -f /dev/nst0 status':
> 
> SCSI 2 tape drive:
> File number=0, block number=0, partition=0.
> Tape block size 512 bytes. Density code 0x45 (QIC-3095-MC (TR-4)).
> Soft error count since last status=0
> General status bits on (41010000):
> BOT ONLINE IM_REP_EN
> 
> My drive is a Connor CTT8000-A (IDE drive that takes Travan TR-4 
> tapes.
> BB
> 
> Brian Barber
> Ottawa, ON   CANADA
> brian.barber at mysun.com
> 
> ----- Original Message -----
> From: Edwin Huffstutler <ed...@co...>
> Date: Saturday, January 25, 2003 10:36 am
> Subject: Re: [flexbackup-help] /dev/nst0: Input/output error
> 
> > 
> > [ Brian Barber wrote: ]
> > > I'm a flexbackup amateur.  Below is the output of my nightly 
> > cron job 
> > > from last night.  Am I looking at a defective tape?
> > 
> > Not sure. 
> > 
> > I'd try the following:
> > 
> > - Set $buffer=false or give "-d buffer=false" on the commandline and
> >   just see how things operate with plain 'dd'.  You could also turn
> >   compression to false just to take one program out of the 
> > pipeline as you
> >   debug.
> > 
> > - Try changing your $blksize.  Depending on the tape drive and 
> > driver, it
> >   may not like 10.  Try 64 or 32?
> > 
> > - Switch the value of $mt_var_blksize.  This again depends on 
> the 
> > drive.
> > "mt -f /dev/nst0 status" can sometimes be useful; sometimes you 
> > can get
> > extended error info.
> > 
> > (You might also want to try out the latest 1.0pre version that I've
> > recently put out, after a few years of non-maintenance...  
> > Although your
> > problem seems to be just related to tape drive specifics, that 
> hasn't> really changed)
> > 
> > -Edwin
> > 
> > -- 
> > Edwin Huffstutler     Linux - because reboots are for hardware 
> > changes ed...@co...   GnuPG Key ID: AE782DC9
> > 
> > 
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> 
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