Hi Joe,

Before dealing with bacula, make sure you understand how to use the
commands 'mt', 'mtx', 'tapeinfo' and then make sure that they are
working correctly.  Then see how 'mtx-changer' uses 'mtx' to do its
business.

E.g. try:
cat /proc/scsi/scsi (this will show you the devices, 0,1,2,..)
tapeinfo -f /dev/sg2 (if there is a device 2)
mt -f /dev/nst0 status
mtx -f /dev/sg0 status

After all that works as expected, run through the btape tests as per
the manual:
http://www.bacula.org/en/dev-manual/Testing_Your_Tape_Drive.html

Regards,
Alex

On Wed, 16 Sep 2009 14:32:42 -0500
"Watson, Joe" <ISJOEWAT AT oklahomacounty DOT org> wrote:

> 3995 Bad autochanger "unload slot 2, drive 0": ERR=Child exited with
> code 1
> Results=Unloading drive 0 into Storage Element 2...mtx: Request Sense:
> Long Report=yes
> mtx: Request Sense: Valid Residual=no
> mtx: Request Sense: Error Code=70 (Current)
> mtx: Request Sense: Sense Key=Illegal Request
> mtx: Request Sense: FileMark=no
> mtx: Request Sense: EOM=no
> mtx: Request Sense: ILI=no
> mtx: Request Sense: Additional Sense Code = 53
> mtx: Request Sense: Additional Sense Qualifier = 03
> mtx: Request Sense: BPV=no
> mtx: Req3301 Issuing autochanger "loaded? drive 0" command.
> 
> I get this when I try mounting it after I changed the tape to /dev/nst0
> 
> 
> -----Original Message-----
> From: Mark Nienberg [mailto:gmane AT tippingmar DOT com] 
> Sent: Wednesday, September 16, 2009 12:55 PM
> To: bacula-users AT lists.sourceforge DOT net
> Subject: Re: [Bacula-users] Creating a Volume on a tape times out
> 
> Watson, Joe wrote:
> > With lsscsi I never find a device for /dev/nst0 is why I went with
> > /dev/sg0 is it possible bacula is expecting the latter and resolves it
> > on its own somehow?
> > 
> > This is the output from lsscsi -g
> > [4:0:4:0]    tape    HP       Ultrium 4-SCSI   W24W  /dev/st0
> /dev/sg0
> > [4:0:4:1]    mediumx HP       1x8 G2 AUTOLDR   2.60  /dev/sch0
> /dev/sg1
> 
> looks like your Ultrium uses /dev/st0 so try /dev/nst0 in your conf
> file.  nst0 is 
> the same as st0 except it does not rewind.
> 
> > Is there something in the bacula manual on how to turn on logging in
> the
> > mtx-changer script, how do I do that?
> 
> in recent versions of bacula, you set it in
> mtx-changer.conf
> 
> in older versions you set it directly in the script
> (in your case /etc/bacula/scripts/mtx-changer)
> 
> -- 
> Mark Nienberg
> Sent from an invalid address. Please reply to the group.
> 

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