This has been resolved.  I needed to fix the 'sed' command in the
chg-zd-mtx script.  For some reason the one I had was setting $used to
nothing, which was creating the error.  It works fine now.  Thanks for
the replys.



On Mon, Feb 10, 2003 at 11:01:10AM -0600, Benjamin Herbert wrote:
> 
> Here is some output from a mtx command:
> 
> [root@darwin libexec]$ /usr/sbin/mtx -f /dev/sg0 status
> Storage Changer /dev/sg0:1 Drives, 10 Slots ( 0 Import/Export )
> Data Transfer Element 0:Full (Storage Element 1 Loaded):VolumeTag =
>    Storage Element 1:Empty
>    Storage Element 2:Full :VolumeTag=        
>    Storage Element 3:Full :VolumeTag=        
>    Storage Element 4:Full :VolumeTag=
>    Storage Element 5:Full :VolumeTag=
>    Storage Element 6:Full :VolumeTag=
>    Storage Element 7:Full :VolumeTag=
>    Storage Element 8:Empty
>    Storage Element 9:Empty
>    Storage Element 10:Empty
> 
> 
> So it seems that my changerdev is fine.
> 
> I dont have a changer.conf file.  I only have a changer.conf-clean,
> changer.conf-access and a changer.conf-slot file.  They all contain 0 in
> them.
> 
> 
> On Mon, Feb 10, 2003 at 11:51:32AM -0500, Joshua Baker-LePain wrote:
> > On Mon, 10 Feb 2003 at 10:07am, Benjamin Herbert wrote
> > 
> > > I am trying to use the chg-zd-mtx script to contorl the tape changer on
> > > an exabyte LTO tape changer.  I am running redhat 7.3.  
> > > 
> > > Heres is some of the stuff in my amanda.conf:
> > > 
> > > tpchanger "chg-zd-mtx"  # the tape-changer glue script
> > > tapedev "/dev/nst0"     # the no-rewind tape device to be used
> > > rawtapedev "/dev/nst0"  # the raw device to be used (ftape only)
> > > changerfile "/usr/local/amanda/etc/amanda/test/changer.conf"
> > > changerdev "/dev/sg0"
> > 
> > Are you sure about that changerdev?  For my Overland changer, the tape 
> > drive and robotics have separate SCSI IDs.  The tape drive is ID 4, and 
> > the robotics are ID 6.  Therefore the tape drive is sg0, and the robotics 
> > are sg1.
> > 
> > > Here is the command that I run:
> > > 
> > > /usr/local/amanda/libexec/chg-zd-mtx -info
> > > 
> > > 
> > > Here is the output of the command:
> > > 
> > > [root@XXXXX test]$ /usr/local/amanda/libexec/chg-zd-mtx -info
> > > /usr/local/amanda/libexec/chg-zd-mtx: [: : integer expression expected
> > > /usr/local/amanda/libexec/chg-zd-mtx: [: -lt: unary operator expected
> > >  6 1
> > 
> > First, can mtx talk to your changer?  What's the output of 'mtx -f 
> > /dev/sg0 status' (or sg1, as above).
> > 
> > If the device is correct, we'll need to see your CHANGER.conf file.
> > 
> > -- 
> > Joshua Baker-LePain
> > Department of Biomedical Engineering
> > Duke University