Pre-requisites to Run the script:
Make sure mailx and sendmail is installed on your OS, also check below environements/file is created prior to execute the scripts.
This script is tested on Linux Server.
This script needs to be deployed in database node/server.
#Base location for the DBA scripts DBA_SCRIPTS_HOME=$HOME/DBA_MON
#OS User profile where database environment file is set $HOME/.bash_profile
Create Custom .sysenv file for scripts
Download(.sysenv)
Download .sysenv file and save it under $HOME/DBA_MON $ chmod 777 .sysenv
$ cat $HOME/DBA_MON/.sysenv
export DBA_SCRIPTS_HOME=$HOME/DBA_MON export PATH=${PATH}:$DBA_SCRIPTS_HOME export DBA_EMAIL_LIST=kiran.jadhav@domain.com,jadhav.kiran@domain.com #Below parameter is used in script, whenever there is planned downtime you can set it to Y so there will be no false alert. export DOWNTIME_MODE=N
Script to Monitor Current Database Size and its Growth Since Last Run.
Download MonDBSizeGrowth.sh and save it under $HOME/DBA_MON/bin/ $ chmod 755 MonDBSizeGrowth.sh
#!/bin/bash ################################################################################### # Script Name : MonDBSizeGrowth.sh # # # # Description: # # Script to Monitor Current Database Size and its Growth Since Last Run # # # # Usage : sh <script_name> <ORACLE_SID> # # For example : sh MonDBSizeGrowth.sh ORCL # # # # Note : Initially Run this script for 2 Times # # # # Created by : Kiran Jadhav - (https://h2hdba.blogspot.com) # ################################################################################### # Initialize variables INSTANCE=$1 HOST_NAME=`hostname| cut -d'.' -f1` PROGRAM=`basename $0 | cut -d'.' -f1` export DBA_SCRIPTS_HOME=$HOME/DBA_MON APPS_ID=`echo $INSTANCE | tr '[:lower:]' '[:upper:]'` LOG_DIR=$DBA_SCRIPTS_HOME/logs/$HOST_NAME OUT_FILE=$LOG_DIR/`echo $PROGRAM`_$APPS_ID.html.out PREV_PHY_SIZE=$LOG_DIR/`echo $PROGRAM`_$APPS_ID.prevphy PREV_LOGI_SIZE=$LOG_DIR/`echo $PROGRAM`_$APPS_ID.prevlogi CURR_PHY_SIZE=$LOG_DIR/`echo $PROGRAM`_$APPS_ID.currphy CURR_LOGI_SIZE=$LOG_DIR/`echo $PROGRAM`_$APPS_ID.currlogi LOG_FILE=$LOG_DIR/`echo $PROGRAM`_$APPS_ID.log ERR_FILE=$LOG_DIR/`echo $PROGRAM`_$APPS_ID.err LOG_DATE=`date` LAST_CAPTURED_DATE_TIME=`grep "Current Database Size" $OUT_FILE |cut -d'-' -f2` # Source the env . $HOME/.bash_profile . $DBA_SCRIPTS_HOME/.sysenv if [ $? -ne 0 ]; then echo "$LOG_DATE" > $LOG_FILE echo "Please pass correct environment : exiting the script \n" >> $LOG_FILE #cat $LOG_FILE exit fi if [ -s $OUT_FILE ]; then echo "$LOG_DATE" > $LOG_FILE echo "Deleting existing output file $OUT_FILE" >> $LOG_FILE rm -f $OUT_FILE #cat $LOG_FILE fi if [ -s $CURR_PHY_SIZE ]; then echo "$LOG_DATE" > $LOG_FILE echo "Moving $CURR_PHY_SIZE to Previous $PREV_PHY_SIZE" >> $LOG_FILE mv $CURR_PHY_SIZE $PREV_PHY_SIZE #cat $LOG_FILE fi if [ -s $CURR_LOGI_SIZE ]; then echo "$LOG_DATE" > $LOG_FILE echo "Moving $CURR_LOGI_SIZE to Previous $PREV_LOGI_SIZE" >> $LOG_FILE mv $CURR_LOGI_SIZE $PREV_LOGI_SIZE #cat $LOG_FILE fi if [ $DOWNTIME_MODE = "Y" ]; then echo "$LOG_DATE" >> $LOG_FILE echo "Host: $HOST_NAME | Instance: $ORACLE_SID is under maintenance: exiting the script" >> $LOG_FILE #cat $LOG_FILE exit fi # If there is a plan downtime then create $ORACLE_SID.down file in $DBA_SCRIPTS_HOME to silent the alerts during maintenance window. if [ -f $DBA_SCRIPTS_HOME/`echo $ORACLE_SID`.down ]; then echo "$LOG_DATE" >> $LOG_FILE echo "Host: $HOST_NAME | Instance: $ORACLE_SID is under maintenance: exiting the script" >> $LOG_FILE #cat $LOG_FILE exit fi usage() { echo "$LOG_DATE" > $LOG_FILE echo "Script To Monitor Current Database Size and its Growth Since Last Run" >> $LOG_FILE echo "Usage : ksh <script_name> <ORACLE_SID> " >> $LOG_FILE echo "For example : ksh $PROGRAM $ORACLE_SID" >> $LOG_FILE echo } if [ $# -lt 1 ] || [ "$INSTANCE" != "$ORACLE_SID" ]; then usage echo "Error : Insufficient arguments." >> $LOG_FILE #cat $LOG_FILE exit fi sqlplus -s '/as sysdba' <<EOF SET ECHO OFF SET pagesize 1000 set feedback off set lines 180 set heading off; spool $CURR_PHY_SIZE SELECT round(SUM (BYTES / (1014 * 1024 ))) "PHYSICAL_SIZE(MB)" FROM dba_data_files; SPOOL OFF; spool $CURR_LOGI_SIZE SELECT "PHYSICAL_SIZE(MB)" - "FREE_SPACE(MB)" "LOGICAL_SIZE(MB)" FROM (SELECT (SELECT round(SUM (BYTES / (1014 * 1024 ))) FROM dba_data_files) "PHYSICAL_SIZE(MB)", (SELECT round(SUM (BYTES / (1024 * 1024 ))) FROM dba_free_space) "FREE_SPACE(MB)" FROM DUAL); spool off; exit; EOF CURR_PHY_SIZE_V=`cat $CURR_PHY_SIZE` CURR_LOGI_SIZE_V=`cat $CURR_LOGI_SIZE` PREV_PHY_SIZE_V=`cat $PREV_PHY_SIZE` PREV_LOGI_SIZE_V=`cat $PREV_LOGI_SIZE` #echo $CURR_PHY_SIZE_V #echo $CURR_LOGI_SIZE_V #echo $PREV_PHY_SIZE_V #echo $PREV_LOGI_SIZE_V PHY_GROWTH=`expr $CURR_PHY_SIZE_V - $PREV_PHY_SIZE_V` #echo $PHY_GROWTH LOGI_GROWTH=`expr $CURR_LOGI_SIZE_V - $PREV_LOGI_SIZE_V` #echo $LOGI_GROWTH sqlplus -s '/as sysdba' <<EOF SET ECHO OFF SET pagesize 1000 set feedback off set lines 180 set heading on; SET MARKUP HTML ON SPOOL ON - HEAD '<title></title> - <style type="text/css"> - table { background: #eee; } - th { font:bold 10pt Arial,Helvetica,sans-serif; color:#b7ceec; background:#151b54; padding: 5px; align:center; } - td { font:10pt Arial,Helvetica,sans-serif; color:Black; background:#f7f7e7; padding: 5px; align:center; } - </style>' TABLE "border='1' align='left'" ENTMAP OFF spool $OUT_FILE PROMPT Hi Team, PROMPT PROMPT Current Database Size - `date`: PROMPT SELECT Name "DB_NAME","PHYSICAL_SIZE(GB)", "PHYSICAL_SIZE(GB)" - "FREE_SPACE(GB)" "LOGICAL_SIZE(GB)", "FREE_SPACE(GB)" FROM (SELECT (SELECT round(SUM (BYTES / (1014 * 1024 * 1024))) FROM dba_data_files) "PHYSICAL_SIZE(GB)", (SELECT round(SUM (BYTES / (1024 * 1024 * 1024))) FROM dba_free_space) "FREE_SPACE(GB)" FROM DUAL),v\$database; PROMPT <br> PROMPT <br> PROMPT <br> PROMPT Database Growth (in MB) Since $LAST_CAPTURED_DATE_TIME select Name "DB_NAME",$PHY_GROWTH "PHYSICAL_GROWTH(MB)", $LOGI_GROWTH "LOGICAL_GROWTH(MB)" from dual,v\$database; SPOOL OFF SET MARKUP HTML OFF exit; EOF ( echo "To: $DBA_EMAIL_LIST" echo "MIME-Version: 1.0" echo "Content-Type: multipart/alternative; " echo ' boundary="PAA08673.1018277622/server.xyz.com"' echo "Subject: Report : $APPS_ID - Current Database Size and its Growth on $HOST_NAME" echo "" echo "This is a MIME-encapsulated message" echo "" echo "--PAA08673.1018277622/server.xyz.com" echo "Content-Type: text/html" echo "" cat $OUT_FILE echo "--PAA08673.1018277622/server.xyz.com" ) | /usr/sbin/sendmail -t echo "$LOG_DATE" > $LOG_FILE echo "Details sent through an email" >> $LOG_FILE #cat $LOG_FILE #Taking Backup of Output File To keep History On Server cp $OUT_FILE $OUT_FILE.`date +"%m-%b-%Y:%T"`
Logs and Out files will be generated under $DBA_SCRIPTS_HOME/logs/$HOST_NAME So make sure to create logs/$HOST_NAME directory under $DBA_SCRIPTS_HOME before executing the script.
Once the script is ready, then as per the requirement please schedule it in crontab/OEM.
Execute the Script as below: Syntax : sh <script_name> <ORACLE_SID> $ cd $HOME/DBA_MON/bin $ sh MonDBSizeGrowth.sh DEV11G
This script will send the notification with current database size and its growth since last run.
Sample Output: