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   1 #!/bin/bash
   2 # This script dumps the specified Filesystem via dump on a CD/DVD
   3 # CD_CAPACITY defines the capacity in MB per CD
   4 # The script for the next volume is passed via the -F option of dump
   5 # FILESYSTEM defines the filesystem to back up
   6 COMPRESSION_LEVEL=2
   7 RECORD_BIN="/usr/bin/dvdrecord dev=0,0,0 fs=64M speed=2 "
   8 EXITSCRIPT="/root/bin/dvd_dump_userexit"
   9 FILESYSTEM="/home"
  10 LEVEL=0
  11 LABEL="`date -I`"
  12 CD_CAPACITY=700
  13 TSIZE="$(echo "$CD_CAPACITY*1024*1024" | bc -l )"
  14 BSIZE="$(echo "$CD_CAPACITY*1024" | bc -l )"
  15 FIFO="/tmp/dump.fifo"
  16 DUMP_BIN="/usr/sbin/dump -z$COMPRESSION_LEVEL -b64 -B$BSIZE -F $EXITSCRIPT -$LEVEL -L $LABEL -f $FIFO $FILESYSTEM"
  17
  18 rm -f $FIFO
  19 mkfifo $FIFO
  20 ANSWER=""
  21 while [ "$ANSWER" != "y" ] ; do
  22         read -p "Did you insert CD No. 1? (y/n)" ANSWER
  23         if [ "$ANSWER" == "y" ] ; then
  24                 $RECORD_BIN -blank=fast
  25                 $RECORD_BIN -eject -pad -tsize=$TSIZE -data $FIFO &
  26                 $DUMP_BIN
  27                 rm -f $FIFO
  28                 exit 0
  29         elif [ "$ANSWER" == "n" ] ; then
  30                 EXIT=""
  31                 read -p "Do you really want to exit? (y/n)" EXIT
  32                 if [ "$EXIT" == "y" ] ; then
  33                         exit 1
  34                 fi
  35         fi
  36 done