AIX

#! /bin/ksh
# backup script. Takes a copy of some data, with tar and stops/restarts the
# application

function send_alert
{
# This will send all the alerts. It gets some message, like "file not found", 
# and issues an alert with exactly this message. Probably you will have to
# adapt this function to suit your needs, i just output at <stderr> for
# demonstration purposes

typeset msg="$1"

print -u2 "$msg"

return 0
}




function take_backup
{
typeset destination="$1"
typeset source="$2"

tar -cvf ${destination} ${source}
# alternatively, with compression:
# tar -cvf - ${source} | gzip -9 > ${destination}

if [ "$?" -ne 0 ] ; then
     send_alert "problem writing backup file"
     return 1
fi

return 0
}




function stop_application
{

<...whatever is necessary to stop the app...>

# control if the app is really stopped. If not we raise an alert and main() will exit:
if [ $(ps -fe | grep -c <application>) -gt 1 ] ; then
     send_alert "Not able to stop application"
     return 1
fi

return 0
}




function start_application
{

<...whatever is necessary to start the app...>

# control if the app is really started. If not we raise an alert and main() will
# exit. Note that the test if there is at least one process running is just an
# example. Replace the test with whatever would make you sure the app is
# running again:
sleep 30     # give things time to settle

if [ $(ps -fe | grep -c <application>) -lt 2 ] ; then
     send_alert "Not able to start application"
     return 1
fi

return 0
}



# -------- main()
# The following is necessary, we will run in cron once. You might want to set
# other necessary environment variables here too
typeset PATH=<whatever you need>
typeset TERM=<whatever you need>
export TERM; export PATH

typeset approot="/path/to/your/data"
typeset budest="/path/to/backup/destination"
typeset today="$(date '+%Y%m%d')"   # we will use this to name the backup files

stop_application
if [ "$?" -ne 0 ] ; then
     exit 1
fi

take_backup ${budest}/backup_${today}.tar $approot
if [ "$?" -ne 0 ] ; then
     exit 1
fi

start_application
if [ "$?" -ne 0 ] ; then
     exit 1
fi

exit 0

#!/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
###