UNIX for Dummies Questions & Answers

:
state=`cat /etc/MSTATE`; if [ $state != "master" ]; then exit 0;fi
umask 0
DIRECTORY=/u/backup
export DIRECTORY
DEVICE1=everest_backup:/dev/rStp0
DEVICE2=everest_backup:/dev/nrStp0
CPIOCMD="cpio -ovcB > $DEVICE2"
FILE=nite`date '+%d'`
STATUS="OK"
export FILE

## **** Comment the below two(2) lines ONLY when testing ****
#/u/everest/cron/rcp_trans_logs_daily.sh
#/u1/everestnz/cron/rcp_trans_logs_daily.sh

# If a different directory or file name is required for the backup,
# changed the above lines only.
# Check for the existance of backup directory.
# If it doesn't exist, create it. The logfile will be created automatically.

exit_print ()
{
        if [ $* -gt 0 ]
          then
            STATUS=FAULTY
        fi
#       echo "Exit Code: $*" >> $LOGFILE

        cat $LOGFILE | \
        mail -s"$STATUS backup of TVL(EVEREST) on Everest-backup." ops@somedomain.com.au
        exit 0
}

if [ ! -d $DIRECTORY ]
then
        mkdir $DIRECTORY
fi

LOGFILE=$DIRECTORY/$FILE
LOGFILE_DETAIL=$DIRECTORY/"$FILE"_DETAIL

# Remove all core and enc files from directories being backed up.
# find /usr/acct \( -name core -o -name '*.enc' \) -print | xargs /bin/rm -f &
# Remove all core from system.
# The following command has been # out as it took over 1&half hours to complete

# run from cron every week instead
#find / -name core -print | xargs /bin/rm -f

# Remove enc files from directories being backed up.

echo "" > $LOGFILE
echo "" > $LOGFILE_DETAIL
echo "Backup of everest commenced  "`date` >> $LOGFILE
echo "" >> $LOGFILE

# Retension tape
echo "** Backup Start using cpio command:"
echo "**       '"$CPIOCMD"'."
echo "** Rewinding Tape Device: "$DEVICE1
tape rewind $DEVICE1
echo "** Rewinding Tape Device: "$DEVICE1
tape rewind $DEVICE1
echo "** Sleeping (20)"
sleep 20
echo "** Rewinding Tape Device: "$DEVICE1
tape rewind $DEVICE1
ERROR="$?"
echo "** Error Result of Rewind: "$ERROR
case $ERROR in
  0) ;;
  *) echo " " >> $LOGFILE
     echo "**** WARNING ****" >> $LOGFILE
     echo "Cannot retension tape. Backup Aborted." >> $LOGFILE
     echo "    Error Status = $ERROR" >> $LOGFILE
     exit_print $ERROR ;;
esac

cd /
marker=0
errcount=0

# "/x1" used for testing.
#for shit in "/x1"
#for shit in "/" "/stand" "/u" "/u1" "/u2"
#for shit in "/" "/stand" "/u" "/u1" "/u2" "/x1"

for shit in "/x1"
  do
    echo "**** Changing To Directory: "$shit
    cd $shit
    echo "**** File marker $marker filesystem "$shit
    echo "File marker $marker filesystem $shit" >> $LOGFILE
    date >> $LOGFILE

    #ps -ef >> $LOGFILE_DETAIL
    #fuser $shit >> $LOGFILE_DETAIL

    echo " " >> $LOGFILE_DETAIL
    if  [ `date +'%u'` -ge 1 -a `date +'%u'` -le 5 ]
      then
        #incremental backup mon to fri

        echo "**** Backup of "$shit" Commenced. ( "`date '+%R'`" )"
        find . -mtime -14 -mount -depth -print | \
          $CPIOCMD \
            2>> $LOGFILE_DETAIL
        echo "**** Backup of "$shit" Completed.( "$?" )"

        ## - Revert to Full-Backups as of 19/04/02 - requested by Anish (TVL)
        ##  find . -mount -depth -print |cpio -ovcB >$DEVICE1 \
        ##   2>> $LOGFILE_DETAIL

        ##  find . -mount -depth -print | \
        ##  cpio -ovcC32768 | dd of=$DEVICE1 conv=bmode bs=32k \
        ##    2>> $LOGFILE_DETAIL

      else
        #full backup sat/sun
        ##find . -mount -depth -print | \
        ##  cpio -ovcB >$DEVICE1 2>> $LOGFILE_DETAIL
        find . -mount -depth -print | \
          cpio -ovcC32768 | dd of=$DEVICE1 conv=bmode bs=32k \
            2>> $LOGFILE_DETAIL

    fi
  ERROR="$?"
  marker=`expr $marker + 1`
  errcount=`expr $errcount + $ERROR`
done

ERROR=$errcount
echo " " >> $LOGFILE

# Test for success of backup.
case $ERROR in
        0) echo "Backup successful .... Phew!" >> $LOGFILE ;;
        *) echo "** WARNING ** Backup unsuccessful ended "`date` >> $LOGFILE
        case $ERROR in
        2)  echo " PROBLEM WITH TAPE DRIVE" >> $LOGFILE
            exit_print $ERROR ;;
        4)  echo " INTERRUPTED SYSTEM CALL" >> $LOGFILE
            exit_print $ERROR ;;
        5)  echo "          I/O ERROR" >> $LOGFILE
            exit_print $ERROR ;;
        6)  echo " NO SUCH DEVICE1 OR ADDRESS" >> $LOGFILE
            exit_print $ERROR ;;
        7)  echo " ARGUMENT LIST TOO LONG" >> $LOGFILE
            exit_print $ERROR ;;
        11) echo " NO MORE PROCESSES" >> $LOGFILE
            exit_print $ERROR ;;
        12) echo " NOT ENOUGH SPACE" >> $LOGFILE
            exit_print $ERROR ;;
        13) echo " PERMISSION DENIED" >> $LOGFILE
            exit_print $ERROR ;;
        28) echo " NO SPACE ON DEVICE1" >> $LOGFILE
            exit_print $ERROR ;;
        *)  echo "    ** Aborting **" >> $LOGFILE
            echo "    Error Status = $ERROR"  >> $LOGFILE
            exit_print $ERROR ;;
        esac ;;
esac

echo "  " >> $LOGFILE
echo " End Time:     "`date '+%H:%M:%S'` >> $LOGFILE
echo " " >> $LOGFILE

echo "** Getting Status of  Tape Device: "$DEVICE1
tape status $DEVICE1 >> $LOGFILE
echo "** Rewinding Tape Device: "$DEVICE1
tape rewind $DEVICE1
echo "** Unloading Tape Device: "$DEVICE1
tape unload $DEVICE1
echo " Rewind completed:     "`date '+%H:%M:%S'` >> $LOGFILE
echo " " >> $LOGFILE
# Test for successful read of tape. If not successful, end script.
echo " " >> $LOGFILE
echo "BACKUP OF BOOKING ENGINE  COMPLETED AT "`date` >> $LOGFILE
exit_print 0