Dear John Drescher,

In message <387ee2020909210749o48d1fd07qd829c661ae7af7dd AT mail.gmail DOT com> 
you wrote:
>
> > I believe putting a barcode label on a tape that already has a manual
> > label will not delete the tape however executing the label barcode
> > command will fail because the tape already has a label in its bacula
> > header.
> 
> I do not know a the solution to this problem.
> 
> I would however over time recycle/delete the tapes with manual labels
> so that you can add proper barcode labels to all your volumes.

An alternative solution is a small modification to the "mtx" script to
allow mapping of barcode labels to arbitrary volume names. This is
working fine for me:

#
# Map barcode label into a more comprehensive volume name
#
# Input: "2:" or "4:ABC123" ==> Output: "2:" resp. "4:K-H-4"
#
# Slot: ${line%%:*}, Barcode: ${line##*:}
#
map_barcode() {
  while read line ; do
    if [ \! -r /etc/bacula/Barcodes.conf ] ; then
      echo "$line"
      continue
    fi
    if [ -z "${line##*:}" ] ; then
      echo "$line"
      continue
    fi
    echo "${line%%:*}:`grep "^${line##*:}" /etc/bacula/Barcodes.conf | sed -e 
"s/${line##*:}[    ][      ]*//"`"
  done
}

plus this tiny patch:

@@ -173,12 +193,12 @@
       fi
       ${MTX} -f $ctl status >${TMPFILE}
       rtn=$?
-      if test ${vxa_packetloader} -ne 0 ; then
-       cat ${TMPFILE} | grep " *Storage Element [0-9]*:.*Full" | sed "s/ 
Storage Element //" | sed "s/Full :VolumeTag=//"
-      else
-       cat ${TMPFILE} | grep " Storage Element [0-9]*:.*Full" | awk "{print 
\$3 \$4}" | sed "s/Full *\(:VolumeTag=\)*//"
-      fi
-      cat ${TMPFILE} | grep "^Data Transfer Element [0-9]*:Full (Storage 
Element [0-9]" | awk '{printf "%s:%s\n",$7,$10}'
+      { grep ' *Storage Element [0-9]*:.*Full' <${TMPFILE} | \
+               awk '{print $3 $4}' | \
+               sed 's/Full *\(:VolumeTag=\)*//'
+       grep '^Data Transfer Element [0-9]*:Full (Storage Element [0-9]' 
<${TMPFILE} | \
+               awk '{printf "%s:%s\n",$7,$10}'
+      } | map_barcode

My "/etc/bacula/Barcodes.conf" looks something like that:

Barcode VolumeID
======= ========
ABV101  I-001
ABV102  I-002
ABV103  I-003
ABV104  I-004
ABV105  I-005
ABV106  I-006
...



Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd AT denx DOT de
An expert is a person who avoids the small errors while  sweeping  on
to the grand fallacy.

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