From: Gurugunti, Mahesh (MGurugunti@us.nomura.com)
Date: Wed Feb 11 2004 - 12:22:08 EST
Hi,
One of our developers has written a simple shell script which monitors
(greps) a process and if this monitored process does not exist, it starts
it.
This script is run as a user as a backround job (script &) from a command
line and then the user logs out.
This script dies intermittently, and he wants to know the reasons/conditions
on which this monitoring job dies.
OS is solaris 2.8. Thanks in Advance
Mahesh
Here is the monitoring script:
###########################Begin of AsChk.sh###################
# more AsChk.sh
#!/bin/sh
USER=bbadmin
SHL=/apps/fafa/cronJob/output
HOST=`/usr/bin/hostname`
LOG_FILE=/apps/fafa/cronJob/log/${HOST}_AsChk.log
CYCLE=10
echo "===== AsChk START =====" > $LOG_FILE
while [ 1 ]
do
sleep $CYCLE
num=`ps -elf | grep Anal | grep ${USER} | grep -v grep | awk
'NR<2{print $4}'`
if [ $num ]
then
echo "`date` : $num" >>$LOG_FILE
else
echo "***** Re-start AnalyticServer for $HOST by $USER" >>
$LOG_FILE
cd ${SHL}
AnServer.sh >> $LOG_FILE 2>> $LOG_FILE
echo "$num" >> $LOG_FILE
date >> $LOG_FILE
echo "******" >> $LOG_FILE
fi
done
echo "OUTSIDE OF WHILE LOOP" >> $LOG_FILE
# ############End of AsChk.sh#####################
And here is the AnServer.sh
##########Begin of AnServer.sh#################
# more AnServer.sh
#!/bin/sh
USER=bbadmin
HOST=`/usr/bin/hostname`
FAFA_HOME=${FAFA_HOME:-/apps/fafa}
ROOT=${FAFA_HOME}/cronJob
BIN=$FAFA_HOME/bin
SHL=$ROOT/shell
OUT=$ROOT/output
LOG=$ROOT/log
#ERR=$LOG/AnalyticServer.log
ERR=$LOG/${HOST}_AnalyticServer.log
ZXY=${FAFA_HOME}/deals
ZXY1=${FAFA_HOME}/egx
PATH=".:/usr/bin:/apps/local/bin:/usr/sbin:/usr/local/bin:$FAFA_HOME/bin:$FA
FA_HOME/cronJob/bin"
BLP_DIR_SN=/usr/market_data/bloomberg/bin/BLP_setbsn
INTEX_LIB="${FAFA_HOME}/lib/intexcmo"
ESPIEL_LIB="${FAFA_HOME}/lib/espiel"
ADC_LIB="${FAFA_HOME}/lib/adco"
BLP_LIB="/usr/market_data/bbapi/lib"
LD_LIBRARY_PATH="/usr/lib:$INTEX_LIB:$ESPIEL_LIB"
LD_LIBRARY_PATH="${ADC_LIB}:$LD_LIBRARY_PATH"
LD_LIBRARY_PATH="/apps/local/lib:$LD_LIBRARY_PATH"
LD_LIBRARY_PATH="${BLP_LIB}:$LD_LIBRARY_PATH"
LD_LIBRARY_PATH="${FAFA_HOME}/lib:$LD_LIBRARY_PATH"
LD_LIBRARY_PATH="${FAFA_HOME}/obj:$LD_LIBRARY_PATH"
export ZXY ZXY1 PATH BLP_DIR_SN LD_LIBRARY_PATH
cd $OUT
# paranoid check
# /usr/bin/ldd $BIN/AnalyticServer
# remove the old process
num=`ps -elf | grep Anal | grep ${USER} | grep -v grep | awk 'NR<2{print
$4}'`
if [ $num ]
then
echo "kill $num"
kill $num
fi
# restart the process
echo "$BIN/AnalyticServer > $ERR 2>> $ERR & "
$BIN/AnalyticServer > $ERR 2>> $ERR &
ps -elf | grep Ana
#########End of AnServer.sh##################
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