DBA Related Shell Scripts

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Script to remove the logs
a) Remove archivelogs which are older than 3 days.
b) Remove logs from db admin directory which are older than 14 days
---------------------------------------------------------------------

#!/bin/ksh

# Cleanup PROD archive logs more than 3 days old
/usr/bin/find /u01/app/oracle/admin/PROD/arch/arch_prod*.arc -ctime +3 -exec rm {} \;

# Cleanup trace and dump files over 14 days old
for ORACLE_SID in `cat /etc/oratab|egrep ':N|:Y'|grep -v \*|cut -f1 -d':'`
do
ORACLE_HOME=`cat /etc/oratab|grep ^$ORACLE_SID:|cut -d":" -f2`
DBA=`echo $ORACLE_HOME | sed -e 's:/product/.*::g'`/admin
/usr/bin/find $DBA/$ORACLE_SID/bdump -name \*.trc -mtime +14 -exec rm {} \;
/usr/bin/find $DBA/$ORACLE_SID/udump -name \*.trc -mtime +14 -exec rm {} \;
/usr/bin/find $ORACLE_HOME/rdbms/audit -name \*.aud -mtime +14 -exec rm {} \;
done

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Scripts by Daniel T. Liu
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Introduction
This article focuses on the DBA's daily responsibilities for monitoring Oracle databases and provides tips and techniques on how DBAs can turn their manual, reactive monitoring activities into a set of proactive shell scripts. The article first reviews some commonly used Unix commands by DBAs. It explains the Unix Cron jobs that are used as part of the scheduling mechanism to execute DBA scripts. The article covers eight important scripts for monitoring Oracle database:

Check instance availability

Check listener availability

Check alert log files for error messages

Clean up old log files before log destination gets filled

Analyze tables and indexes for better performance

Check tablespace usage

Find out invalid objects

Monitor users and transactions

UNIX Basics for the DBA
Basic UNIX Command

The following is a list of commonly used Unix command:

ps - Show process

grep - Search files for text patterns

mailx - Read or send mail

cat - Join files or display them

cut - Select columns for display

awk - Pattern-matching language

df - Show free disk space

Here are some examples of how the DBA uses these commands:


List available instances on a server:

$ ps -ef | grep smon
oracle 21832 1 0 Feb 24 ? 19:05 ora_smon_oradb1
oracle 898 1 0 Feb 15 ? 0:00 ora_smon_oradb2
dliu 25199 19038 0 10:48:57 pts/6 0:00 grep smon
oracle 27798 1 0 05:43:54 ? 0:00 ora_smon_oradb3
oracle 28781 1 0 Mar 03 ? 0:01 ora_smon_oradb4


List available listeners on a server:

$ ps -ef | grep listener | grep -v grep
oracle 23879 1 0 Feb 24 ? 33:36 /8.1.7/bin/tnslsnr listener_db1 -inherit
oracle 27939 1 0 05:44:02 ? 0:00 /8.1.7/bin/tnslsnr listener_db2 -inherit
oracle 23536 1 0 Feb 12 ? 4:19 /8.1.7/bin/tnslsnr listener_db3 -inherit
oracle 28891 1 0 Mar 03 ? 0:01 /8.1.7/bin/tnslsnr listener_db4 -inherit


Find out file system usage for Oracle archive destination:

$ df -k | grep oraarch
/dev/vx/dsk/proddg/oraarch 71123968 4754872 65850768 7% /u09/oraarch


List number of lines in the alert.log file:

$ cat alert.log | wc -l
2984


List all Oracle error messages from the alert.log file:

$ grep ORA- alert.log
ORA-00600: internal error code, arguments: [kcrrrfswda.1], [], [], [], [], []
ORA-00600: internal error code, arguments: [1881], [25860496], [25857716], []

CRONTAB Basics
A crontab file is comprised of six fields:

Minute 0-59
Hour 0-23
Day of month 1-31
Month 1 - 12
Day of Week 0 - 6, with 0 = Sunday
Unix Command or Shell Scripts


To edit a crontab file, type:

Crontab -e


To view a crontab file, type:

Crontab -l
0 4 * * 5 /dba/admin/analyze_table.ksh
30 3 * * 3,6 /dba/admin/hotbackup.ksh /dev/null 2>&1


In the example above, the first entry shows that a script to analyze a table runs every Friday at 4:00 a.m. The second entry shows that a script to perform a hot backup runs every Wednesday and Saturday at 3:00 a.m.

Top DBA Shell Scripts for Monitoring the Database
The eight shell scripts provided below cover 90 percent of a DBA's daily monitoring activities. You will need to modify the UNIX environment variables as appropriate.

Check Oracle Instance Availability

The oratab file lists all the databases on a server:

$ cat /var/opt/oracle/oratab
###################################################################
## /var/opt/oracle/oratab ##
###################################################################
oradb1:/u01/app/oracle/product/8.1.7:Y
oradb2:/u01/app/oracle/product/8.1.7:Y
oradb3:/u01/app/oracle/product/8.1.7:N
oradb4:/u01/app/oracle/product/8.1.7:Y


The following script checks all the databases listed in the oratab file, and finds out the status (up or down) of databases:

###################################################################
## ckinstance.ksh ##
###################################################################
ORATAB=/var/opt/oracle/oratab
echo "`date` "
echo "Oracle Database(s) Status `hostname` :\n"


db=`egrep -i ":Y|:N" $ORATAB | cut -d":" -f1 | grep -v "\#" | grep -v "\*"`
pslist="`ps -ef | grep pmon`"
for i in $db ; do
echo "$pslist" | grep "ora_pmon_$i" > /dev/null 2>$1
if (( $? )); then
echo "Oracle Instance - $i: Down"
else
echo "Oracle Instance - $i: Up"
fi
done


Use the following to make sure the script is executable:

$ chmod 744 ckinstance.ksh
$ ls -l ckinstance.ksh
-rwxr--r-- 1 oracle dba 657 Mar 5 22:59 ckinstance.ksh*

Here is an instance availability report:

$ ckinstance.ksh
Mon Mar 4 10:44:12 PST 2002

Oracle Database(s) Status for DBHOST server:
Oracle Instance - oradb1: Up
Oracle Instance - oradb2: Up
Oracle Instance - oradb3: Down
Oracle Instance - oradb4: Up

Check Oracle Listener's Availability
A similar script checks for the Oracle listener. If the listener is down, the script will restart the listener:

#######################################################################
## cklsnr.sh ##
#######################################################################
#!/bin/ksh
DBALIST="primary.dba@company.com,another.dba@company.com";export DBALIST
cd /var/opt/oracle
rm -f lsnr.exist
ps -ef | grep mylsnr | grep -v grep > lsnr.exist
if [ -s lsnr.exist ]
then
echo
else
echo "Alert" | mailx -s "Listener 'mylsnr' on `hostname` is down" $DBALIST
TNS_ADMIN=/var/opt/oracle; export TNS_ADMIN
ORACLE_SID=db1; export ORACLE_SID
ORAENV_ASK=NO; export ORAENV_ASK
PATH=$PATH:/bin:/usr/local/bin; export PATH
. oraenv
LD_LIBRARY_PATH=${ORACLE_HOME}/lib;export LD_LIBRARY_PATH
lsnrctl start mylsnr
fi

Check Alert Logs (ORA-XXXXX)
Some of the environment variables used by each script can be put into one profile:

#######################################################################
## oracle.profile ##
#######################################################################
EDITOR=vi;export EDITOR ORACLE_BASE=/u01/app/oracle; export
ORACLE_BASE ORACLE_HOME=$ORACLE_BASE/product/8.1.7; export
ORACLE_HOME LD_LIBRARY_PATH=$ORACLE_HOME/lib; export
LD_LIBRARY_PATH TNS_ADMIN=/var/opt/oracle;export
TNS_ADMIN NLS_LANG=american; export
NLS_LANG NLS_DATE_FORMAT='Mon DD YYYY HH24:MI:SS'; export
NLS_DATE_FORMAT ORATAB=/var/opt/oracle/oratab;export
ORATAB PATH=$PATH:$ORACLE_HOME:$ORACLE_HOME/bin:/usr/ccs/bin:/bin:/usr/bin:/usr/sbin:/
sbin:/usr/openwin/bin:/opt/bin:.; export
PATH DBALIST="primary.dba@company.com,another.dba@company.com";export
DBALIST

The following script first calls oracle.profile to set up all the environment variables. The script also sends the DBA a warning e-mail if it finds any Oracle errors:

####################################################################
## ckalertlog.sh ##
####################################################################
#!/bin/ksh
. /etc/oracle.profile
for SID in `cat $ORACLE_HOME/sidlist`
do
cd $ORACLE_BASE/admin/$SID/bdump
if [ -f alert_${SID}.log ]
then
mv alert_${SID}.log alert_work.log
touch alert_${SID}.log
cat alert_work.log >> alert_${SID}.hist
grep ORA- alert_work.log > alert.err
fi
if [ `cat alert.err|wc -l` -gt 0 ]
then
mailx -s "${SID} ORACLE ALERT ERRORS" $DBALIST < alert.err
fi
rm -f alert.err
rm -f alert_work.log
done

Clean Up Old Archived Logs
The following script cleans up old archive logs if the log file system reaches 90-percent capacity:

$ df -k | grep arch
Filesystem kbytes used avail capacity Mounted on
/dev/vx/dsk/proddg/archive 71123968 30210248 40594232 43% /u08/archive


#######################################################################
## clean_arch.ksh ##
#######################################################################
#!/bin/ksh
df -k | grep arch > dfk.result
archive_filesystem=`awk -F" " '{ print $6 }' dfk.result`
archive_capacity=`awk -F" " '{ print $5 }' dfk.result`



if [[ $archive_capacity > 90% ] ]
then
echo "Filesystem ${archive_filesystem} is ${archive_capacity} filled"
# try one of the following option depend on your need
find $archive_filesystem -type f -mtime +2 -exec rm -r {} \;
tar
rman
fi

Analyze Tables and Indexes (for Better Performance)
Below, I have shown an example on how to pass parameters to a script:

####################################################################
## analyze_table.sh ##
####################################################################
#!/bin/ksh #
input parameter: 1: password # 2: SID if (($#<1 br="br" echo="echo" enter="enter" lease="lease" then="then">'oracle'
user password as the first parameter !" exit 0 fi if (($#<2 br="br" echo="echo" then="then">"Please enter
instance name as the second parameter!" exit 0 fi

To execute the script with parameters, type:

$ analyze_table.sh manager oradb1


The first part of script generates a file analyze.sql, which contains the syntax for analyzing table. The second part of script analyzes all the tables:

#####################################################################
## analyze_table.sh ##
#####################################################################
sqlplus -s <<!
oracle/$1@$2
set heading off
set feed off
set pagesize 200
set linesize 100
spool analyze_table.sql
select 'ANALYZE TABLE ' || owner || '.' || segment_name ||
' ESTIMATE STATISTICS SAMPLE 10 PERCENT;'
from dba_segments
where segment_type = 'TABLE'
and owner not in ('SYS', 'SYSTEM');
spool off
exit
!
sqlplus -s <<!
oracle/$1@$2
@./analyze_table.sql
exit
!


Here is an example of analyze.sql:

$ cat analyze.sql
ANALYZE TABLE HIRWIN.JANUSAGE_SUMMARY ESTIMATE STATISTICS SAMPLE 10 PERCENT;
ANALYZE TABLE HIRWIN.JANUSER_PROFILE ESTIMATE STATISTICS SAMPLE 10 PERCENT;
ANALYZE TABLE APPSSYS.HIST_SYSTEM_ACTIVITY ESTIMATE STATISTICS SAMPLE 10 PERCENT;
ANALYZE TABLE HTOMEH.QUEST_IM_VERSION ESTIMATE STATISTICS SAMPLE 10 PERCENT;
ANALYZE TABLE JSTENZEL.HIST_SYS_ACT_0615 ESTIMATE STATISTICS SAMPLE 10 PERCENT;
ANALYZE TABLE JSTENZEL.HISTORY_SYSTEM_0614 ESTIMATE STATISTICS SAMPLE 10 PERCENT;
ANALYZE TABLE JSTENZEL.CALC_SUMMARY3 ESTIMATE STATISTICS SAMPLE 10 PERCENT;
ANALYZE TABLE IMON.QUEST_IM_LOCK_TREE ESTIMATE STATISTICS SAMPLE 10 PERCENT;
ANALYZE TABLE APPSSYS.HIST_USAGE_SUMMARY ESTIMATE STATISTICS SAMPLE 10 PERCENT;
ANALYZE TABLE PATROL.P$LOCKCONFLICTTX ESTIMATE STATISTICS SAMPLE 10 PERCENT;

Check Tablespace Usage
This scripts checks for tablespace usage. If tablespace is 10 percent free, it will send an alert e-mail.

#####################################################################
## ck_tbsp.sh ##
#####################################################################
#!/bin/ksh
sqlplus -s <<!
oracle/$1@$2
set feed off
set linesize 100
set pagesize 200
spool tablespace.alert
SELECT F.TABLESPACE_NAME,
TO_CHAR ((T.TOTAL_SPACE - F.FREE_SPACE),'999,999') "USED (MB)",
TO_CHAR (F.FREE_SPACE, '999,999') "FREE (MB)",
TO_CHAR (T.TOTAL_SPACE, '999,999') "TOTAL (MB)",
TO_CHAR ((ROUND ((F.FREE_SPACE/T.TOTAL_SPACE)*100)),'999')||' %' PER_FREE
FROM (
SELECT TABLESPACE_NAME,
ROUND (SUM (BLOCKS*(SELECT VALUE/1024
FROM V\$PARAMETER
WHERE NAME = 'db_block_size')/1024)
) FREE_SPACE
FROM DBA_FREE_SPACE
GROUP BY TABLESPACE_NAME
) F,
(
SELECT TABLESPACE_NAME,
ROUND (SUM (BYTES/1048576)) TOTAL_SPACE
FROM DBA_DATA_FILES
GROUP BY TABLESPACE_NAME
) T
WHERE F.TABLESPACE_NAME = T.TABLESPACE_NAME
AND (ROUND ((F.FREE_SPACE/T.TOTAL_SPACE)*100)) < 10;
spool off
exit
!
if [ `cat tablespace.alert|wc -l` -gt 0 ]
then
cat tablespace.alert -l tablespace.alert > tablespace.tmp
mailx -s "TABLESPACE ALERT for ${2}" $DBALIST < tablespace.tmp
fi


An example of the alert mail output is as follows:

TABLESPACE_NAME USED (MB) FREE (MB) TOTAL (MB) PER_FREE
------------------- --------- ----------- ------------------- ------------------
SYSTEM 2,047 203 2,250 9 %
STBS01 302 25 327 8 %
STBS02 241 11 252 4 %
STBS03 233 19 252 8 %

Find Out Invalid Database Objects
The following finds out invalid database objects:

#####################################################################
## invalid_object_alert.sh ##
#####################################################################
#!/bin/ksh
. /etc/oracle.profile
sqlplus -s <<!
oracle/$1@$2
set feed off
set heading off
column object_name format a30
spool invalid_object.alert
SELECT OWNER, OBJECT_NAME, OBJECT_TYPE, STATUS
FROM DBA_OBJECTS
WHERE STATUS = 'INVALID'
ORDER BY OWNER, OBJECT_TYPE, OBJECT_NAME;
spool off
exit
!
if [ `cat invalid_object.alert|wc -l` -gt 0 ]
then
mailx -s "INVALID OBJECTS for ${2}" $DBALIST < invalid_object.alert
fi
$ cat invalid_object.alert


OWNER OBJECT_NAME OBJECT_TYPE STATUS
----------------------------------------------------------------------
HTOMEH DBMS_SHARED_POOL PACKAGE BODY INVALID
HTOMEH X_$KCBFWAIT VIEW INVALID
IMON IW_MON PACKAGE INVALID
IMON IW_MON PACKAGE BODY INVALID
IMON IW_ARCHIVED_LOG VIEW INVALID
IMON IW_FILESTAT VIEW INVALID
IMON IW_SQL_FULL_TEXT VIEW INVALID
IMON IW_SYSTEM_EVENT1 VIEW INVALID
IMON IW_SYSTEM_EVENT_CAT VIEW INVALID
LBAILEY CHECK_TABLESPACE_USAGE PROCEDURE INVALID
PATROL P$AUTO_EXTEND_TBSP VIEW INVALID
SYS DBMS_CRYPTO_TOOLKIT PACKAGE INVALID
SYS DBMS_CRYPTO_TOOLKIT PACKAGE BODY INVALID
SYS UPGRADE_SYSTEM_TYPES_TO_816 PROCEDURE INVALID
SYS AQ$_DEQUEUE_HISTORY_T TYPE INVALID
SYS HS_CLASS_CAPS VIEW INVALID
SYS HS_CLASS_DD VIEW INVALID

Monitor Users and Transactions (Dead Locks, et al)
This script sends out an alert e-mail if dead lock occurs:

###################################################################
## deadlock_alert.sh ##
###################################################################
#!/bin/ksh
. /etc/oracle.profile
sqlplus -s <<!
oracle/$1@$2
set feed off
set heading off
spool deadlock.alert
SELECT SID, DECODE(BLOCK, 0, 'NO', 'YES' ) BLOCKER,
DECODE(REQUEST, 0, 'NO','YES' ) WAITER
FROM V$LOCK
WHERE REQUEST > 0 OR BLOCK > 0
ORDER BY block DESC;
spool off
exit
!
if [ `cat deadlock.alert|wc -l` -gt 0 ]
then
mailx -s "DEADLOCK ALERT for ${2}" $DBALIST < deadlock.alert
fi

Conclusion

0,20,40 7-17 * * 1-5 /dba/scripts/ckinstance.sh > /dev/null 2>&1
0,20,40 7-17 * * 1-5 /dba/scripts/cklsnr.sh > /dev/null 2>&1
0,20,40 7-17 * * 1-5 /dba/scripts/ckalertlog.sh > /dev/null 2>&1
30 * * * 0-6 /dba/scripts/clean_arch.sh > /dev/null 2>&1
* 5 * * 1,3 /dba/scripts/analyze_table.sh > /dev/null 2>&1
* 5 * * 0-6 /dba/scripts/ck_tbsp.sh > /dev/null 2>&1
* 5 * * 0-6 /dba/scripts/invalid_object_alert.sh > /dev/null 2>&1
0,20,40 7-17 * * 1-5 /dba/scripts/deadlock_alert.sh > /dev/null 2>&1

Now my DBA friends, you can have more uninterrupted sleep at night. You may also have time for more important things such as performance tuning.

References
Unix in a Nutshell, O'Reilly & Associates, Inc.;
“Using Oracle9i Application Server to Build Your Web-Based Database Monitoring Tool,” Daniel T. Liu; Select Magazine - November 2001 Volume 8, No. 1;
“Net8: A Step-by-Step Setup of Oracle Names Server,” Daniel T. Liu; Oracle Open World 2000, Paper#271.
I would also like to acknowledge the assistance of Johnny Wedekind of ADP, Ann Collins, Larry Bailey, Husam Tomeh and Archana Sharma of FARES.

--

Daniel Liu is a senior Oracle Database Administrator at First American Real Estate Solutions in Anaheim, CA, and co-author of Oracle Database 10g New Features. His expertise includes Oracle database administration, performance tuning, Oracle networking, and Oracle Application Server. As an Oracle Certified Professional, he taught Oracle certified DBA classes and IOUG University Seminar. Daniel has published articles with DBAzine, Oracle Internals, and SELECT Journal. Daniel holds a Master of Science degree in computer science from Northern Illinois University.

-----------------------------------------------------------------------------
-----------------------------------------------------------------------------

cpu Usage:-

#!/bin/sh

ALERTNAME="/opt/MonitoringScript/cpumem.txt"
Date=`date +'%Y%m%d-%H:%M'`
host=`hostname`
Usage=`prstat -Z 1 3|grep -i $host |tail -1|awk '{print "MEMORY:",$5,"CPU:",$7}'`
echo " $Usage $Date ">> alertlog

##cat alertlog|tail -1|mailx -s "CPU and MEMORY USAGE `hostname`" -c "user@company.com" "user@company.com"
cat alertlog|tail -1|mailx -s "CPU and MEMORY USAGE `hostname`" "user@company.com"



Disk usage:-

#!/bin/ksh

LOGNAME="/opt/MonitoringScript/alert.txt"
host_name=`hostname`
for mou in /u01 /u05 /u02
do
disk_space=`df -k $mou | grep $mou | tr -s " " | cut -d" " -f5 | tr -d "%"`

if [ $disk_space -ge 75 ]
then
echo " $mou on $host_name - ( $disk_space"%" ) - `date '+%d%m%Y - %H:%M'`\n" >> $LOGNAME
fi

done

if [ -f $LOGNAME ]
then
cat $LOGNAME | mailx -s "TADDS DISK ALERT" "username@company.com"
rm $LOGNAME
fi


Long running queries :-

/dboracle/orabase/product/10.2.0.3/bin/sqlplus -s user/pass@db << !END > $path 2>&1
set termout off;
set serveroutput on;
select sql_text, round((elapsed_time/executions)/1000000,2) "Time_Taken in secs",sql_id, child_number from
v\$sql where executions > 0;
exit;
sql_end

cat $path | mailx -s 'Alert: TEST' "user@company.com"
EOF

Tablesapce usage script:-
#!/bin/sh
###This script is used to find the Free tablespace less than 40% and e-mail to ASG group e-mail id
################################################

path="/var/TADDSTABLESPACE.log"

echo "================================================================================== " > $path

ORACLE_BASE=/dboracle/orabase/product
export ORACLE_BASE

ORACLE_HOME=/dboracle/orabase/product/10.2.0.3
export ORACLE_HOME

ORACLE_SID=tadds
export ORACLE_SID

TNS_ADMIN=/dborafiles/orabase/admin/netadmin
export TNS_ADMIN


/dboracle/orabase/product/10.2.0.3/bin/sqlplus -s user/pas@db << !END >> $path 2>&1

show user
select tablespace_name, PCT_FREE
from (SELECT sysdate, Total.tablespace_name Tablespace_Name,
Dt.EXTENT_MANAGEMENT,
total_space total_Size_MB,
round(nvl(total_space-free_space,0),2) used_MB,
round(nvl(free_space,0),2) free_MB,
round(nvl(total_space-free_space,0)/total_space*100,2) pct_used,
round(nvl(free_space,0)/total_space*100,2) pct_free,
round(Maxsize,2) Maxsize_MB
FROM
(select tablespace_name,
sum(bytes/1024/1024) Free_Space
from sys.dba_free_space
group by tablespace_name
) Free,
(select TABLESPACE_NAME, sum(MAXBYTES)/1024/1024 Maxsize,
sum(bytes)/1024/1024 Total_space
From dba_data_files
group by tablespace_name ) Total,
(select TABLESPACE_NAME,
EXTENT_MANAGEMENT
from dba_tablespaces
order by TABLESPACE_NAME) dt
WHERE Free.Tablespace_name(+) = Total.tablespace_name
and total.Tablespace_name = dt. TABLESPACE_NAME
ORDER BY Total.tablespace_name,dt.tablespace_name) WHERE PCT_FREE < 40
ORDER BY PCT_FREE;
exit
!END

cd

counter=`cat $path | sed '/^$/d'| wc -l`
echo "count="$counter
if [ $counter -gt 0 ]
then
cat $path | mailx -s 'Alert: tablespace free PCT' "user@compnay.com"
rm $path
fi

=========================================================

Script for generating AWR report.


#!/bin/ksh
# For generating Awr report
#
#
########## Getting the input ###############
export ORACLE_SID=layatest
export ORACLE_HOME=$ORACLE_HOME
echo "Pls enter the no. of reports to generate : "
read n
k=1
i=1
while [ $i -le $n ]
do
               echo "Enter the Start Time for $i report :"
               read sttime
               echo "Enter the End   Time for $i report :"
               read endtime
               a[$k]=$sttime:$endtime
               i=`expr $i + 1`
               k=`expr $k + 1`
done
i=1
conndb()
{
sqlplus -s "/ as sysdba" < awr_pre_report_$i.sql
set trims off;
set feedback off;
set serveroutput on;
declare
        dbid  number;
        bgnsp number;
        endsp number;
        begin
                select dbid into dbid from dba_hist_snapshot where rownum < 2;
                select snap_id into bgnsp from dba_hist_snapshot where to_char(begin_interval_time,'DD-MON-YY HH24') = '$starttime' and rownum < 2;
                select snap_id into endsp from dba_hist_snapshot where to_char(begin_interval_time,'DD-MON-YY HH24') = '$endtime' and rownum < 2;
dbms_output.put_line('spool awrreport_'||bgnsp||endsp||'.html');
dbms_output.put_line(
'select output from table (dbms_workload_repository.awr_report_html('||
dbid||
',1,'||
bgnsp||
','||
endsp
||'));');
end;
        /
EOF
}

genawr()
{
sqlplus -s "/ as sysdba" <@awr_pre_report_$i.sql
EOF
}


while [ $i -le $n ]
do
        starttime=$(echo ${a[$i]} | cut -d: -f1)
        endtime=$(echo ${a[$i]} | cut -d: -f2)
        conndb
        genawr
        i=`expr $i + 1`
done
exit 0

#

#

================================================================