#!/bin/ksh
###
# Eclipse Data Backup Script
# (executed by backup phantom)
###

###
# Environment Variables
###
TAPEDEV=rmt0            # Tape Device Name
BLOCKSZ=1024            # Tape Block Size
LOCKOUT=NO                      # Lockout Users During Backup (YES/NO)
QUIESCE=NO                      # Quiesce the database during backup
CHKFILE=/tmp/backup.chk         # Backup Check File
BAKFILE=/tmp/backup.bak         # Last Succesful Backup
ERRFILE=/tmp/backup.err         # Backup Error File
ALGFILE=/tmp/backread.alog      # Readback alog File
RDBFILE=/tmp/backread.err       # Readback error File
EMLFILE=/tmp/backup.email       # Email log file
BAKLIST=./u2            # Files/Directories to backup
READBAK=NONE            # Day to do a readback (EVERY/NONE/DOW)
FILELST=                # Alternate Backup File List
MAILRPT=NO                      # Mail backup report?
MAILFRM='root'
MAILLST=''      # Backup Administrator's Email Addresses
DOW=`date +%a`          # Day of week

###
# Start
###
umask 000                       # Set File Creation Flags
echo "Backup started at : `date`" > $CHKFILE
cd /

###
# Lockout Logins
###
if [ $LOCKOUT = "YES" ] ; then
        touch /etc/nologin
fi

###
# Quiesce
###
if [ $QUIESCE = "YES" ] ; then
        echo "Quiesce started at : `date`" >> $CHKFILE
        /u2/uv/bin/uv -admin -L
        if [ $? -ne 0 ] ; then
                echo "QUIESCE ERRORS RECORDED!"
        fi
fi

###
# Configure Device
###
chdev -l $TAPEDEV -a block_size=$BLOCKSZ 2> $ERRFILE >&-
sleep 35

###
# Run Backup
###
if [ -f $FILELST ] ; then
        find `cat $FILELST` -print | backup -iqvf /dev/$TAPEDEV 2>> $ERRFILE |grep -v "^a  " 1>> $ERRFILE 2>&1
else
        find $BAKLIST -print | backup -iqvf /dev/$TAPEDEV 2>> $ERRFILE |grep -v "^a  " 1>> $ERRFILE 2>&1
fi
echo "Backup ended at: `date`" >> $CHKFILE

###
# Un-Quiesce
###
if [ $QUIESCE = "YES" ] ; then
        /u2/uv/bin/uv -admin -U
        if [ $? -ne 0 ] ; then
                echo "UNQUIESCE ERRORS RECORDED!"
        fi
        echo "Quiesce completed at : `date`" >> $CHKFILE
fi

###
# End Lockout
###
if [ $LOCKOUT = "YES" ] ; then
        rm /etc/nologin
fi

###
# Run Readback
###
if [[ $READBAK = $DOW || $READBAK = "EVERY" ]] ; then
        echo "Readback started at: `date`" >> $CHKFILE
        rm $ALGFILE 2>&- >&-
        echo "Read errors recorded below" > $RDBFILE
        restore -Tqf /dev/$TAPEDEV 2>&1 1>&- | alog -q -s 8192 -f $ALGFILE
        alog -o -f $ALGFILE >> $RDBFILE
        rm $ALGFILE 2>&- >&-
        echo "Readback ended at: `date`" >> $CHKFILE
fi

###
# Eject/Unmount Device
###
tctl -f /dev/$TAPEDEV offline 2>> $ERRFILE

###
# Mail Backup Report
###
if [ $MAILREPORT = "YES" ] ; then
        cat -q $CHKFILE $ERRFILE $BAKFILE > $EMLFILE
        mailx -s "Eclipse Backup Report of `hostname`" -r $MAILFRM $MAILLST < $EMLFILE
        rm $EMLFILE
fi

###
# End
###