使用shell脚本实现对Oracle数据库的监控与管理将大大简化DBA的工作负担,如常见的对实例的监控,监听的监控,告警日志的监控,以及数据库的备份,AWR report的自动邮件等。本文给出Linux 下使用 shell 脚本来监控 Oracle 告警日志(monitor alter log file)。
Linux Shell的相关参考:
Linux/Unix shell 脚本中调用SQL,RMAN脚本 Linux/Unix shell sql 之间传递变量 Linux/Unix shell 调用 PL/SQL Linux/Unix shell 监控Oracle实例(monitor instance)
Linux/Unix shell 监控Oracle监听器(monitor listener)
1、监控Oracle告警日志脚本
[python] view plain copy
- [email protected]:~/dba_scripts/custom/bin> more ck_alert.sh
- #!/bin/bash
- # --------------------------------------------------------------------------+
- # CHECK ALERT LOG FILE |
- # Filename: ck_alert.sh |
- # Desc: |
- # The script use to check alert log file. |
- # Once any error was caught, a mail alert will be sent. |
- # Deploy it by crontab. e.g. per 15 min |
- # Usage: |
- # ./ck_alert.sh $ORACLE_SID |
- # |
- # Author : Robinson |
- # Blog : http://blog.csdn.net/robinson_0612 |
- # --------------------------------------------------------------------------+
- #
- # --------------------------
- # Check SID
- # --------------------------
- if [ -z "${1}" ];then
- echo "Usage: "
- echo " `basename $0` ORACLE_SID"
- exit 1
- fi
- # -------------------------------
- # Set environment here
- # ------------------------------
- if [ -f ~/.bash_profile ]; then
- . ~/.bash_profile
- fi
- export ORACLE_SID=$1
- export MACHINE=`hostname`
- export MAIL_DIR=/users/robin/dba_scripts/sendEmail-v1.56
- export MAIL_LIST=‘[email protected]‘
- export MAIL_FM=‘[email protected]‘
- # ----------------------------------------------
- # check the database is running, if not exit
- # ----------------------------------------------
- db_stat=`ps -ef | grep pmon_$ORACLE_SID | grep -v grep| cut -f3 -d_`
- if [ -z "$db_stat" ]; then
- date >/tmp/db_${ORACLE_SID}_stauts.log
- echo " $ORACLE_SID is not available on ${MACHINE} !!!" >>/tmp/db_${ORACLE_SID}_stauts.log
- MAIL_SUB=" $ORACLE_SID is not available on ${MACHINE} !!!"
- $MAIL_DIR/sendEmail -u $MAIL_SUB -f $MAIL_FM -t $MAIL_LIST -o message-file=/tmp/db_${ORACLE_SID}_stauts.log
- exit 1
- fi;
- # --------------------------------------
- # Get the location of alert log file
- # --------------------------------------
- sqlplus ‘/ as sysdba‘ << EOF > /tmp/${ORACLE_SID}_monitor_temp.txt
- column xxxx format a10
- column value format a80
- set lines 132
- SELECT ‘xxxx‘ ,value FROM v\$parameter WHERE name = ‘background_dump_dest‘
- /
- exit
- EOF
- cat /tmp/${ORACLE_SID}_monitor_temp.txt | awk ‘$1 ~ /xxxx/ {print $2}‘ > /tmp/${ORACLE_SID}_monitor_location.txt
- read ALERT_DIR < /tmp/${ORACLE_SID}_monitor_location.txt
- rm /tmp/${ORACLE_SID}_monitor_temp.txt 2>/dev/null
- # ----------------------------------------
- # Define archive directory and log file
- # ----------------------------------------
- DT=`date +%Y%m%d`
- DT_DIR=`date +%Y%m`
- ARCH_DIR=${ALERT_DIR}/${DT_DIR}
- if [ ! -d "${ARCH_DIR}" ] ; then
- mkdir $ARCH_DIR
- fi
- ORIG_ALERT_LOG=${ALERT_DIR}/alert_${ORACLE_SID}.log
- NEW_ALERT_LOG=${ARCH_DIR}/alert_${ORACLE_SID}.log.${DT}
- TEMP_ALERT_LOG=${ORIG_ALERT_LOG}.temp
- AWK_DIR=/users/robin/dba_scripts/custom/bin
- # -------------------------------------
- # Check alert log file and send email
- # -------------------------------------
- cat ${ORIG_ALERT_LOG} | awk -f $AWK_DIR/check_alert.awk > /tmp/${ORACLE_SID}_check_monitor_log.log
- if [ -s "/tmp/${ORACLE_SID}_check_monitor_log.log" ];
- then
- echo "Found errors in sid ${ORACLE_SID}, mailed errors"
- echo -e "The following errors were found in the alert log for ${ORACLE_SID} \n" > /tmp/${ORACLE_SID}_check_monitor_log.mail
- echo -e "Alert log was copied into ${NEW_ALERT_LOG} \n">> /tmp/${ORACLE_SID}_check_monitor_log.mail
- date >> /tmp/${ORACLE_SID}_check_monitor_log.mail
- echo "--------------------------------------------------------------">>/tmp/${ORACLE_SID}_check_monitor_log.mail
- echo " "
- echo " " >> /tmp/${ORACLE_SID}_check_monitor_log.mail
- echo " " >> /tmp/${ORACLE_SID}_check_monitor_log.mail
- cat /tmp/${ORACLE_SID}_check_monitor_log.log >> /tmp/${ORACLE_SID}_check_monitor_log.mail
- MAIL_SUB="Found errors in ${ORACLE_SID} on ${MACHINE}"
- $MAIL_DIR/sendEmail -u $MAIL_SUB -f $MAIL_FM -t $MAIL_LIST -o message-file=/tmp/${ORACLE_SID}_check_monitor_log.mail
- # --------------------------------
- # Backup current alert log file
- # --------------------------------
- mv ${ORIG_ALERT_LOG} ${TEMP_ALERT_LOG}
- cat ${TEMP_ALERT_LOG} >> ${NEW_ALERT_LOG}
- #touch ${ORIG_ALERT_LOG}
- cat /dev/null > ${ORIG_ALERT_LOG}
- rm /tmp/${ORACLE_SID}_check_monitor_log.log
- rm /tmp/${ORACLE_SID}_check_monitor_log.mail
- rm ${TEMP_ALERT_LOG} > /dev/null
- exit
- fi
- rm /tmp/${ORACLE_SID}_check_monitor_log.log > /dev/null
- rm /tmp/${ORACLE_SID}_monitor_location.txt > /dev/null
- exit
2、过滤Oracle告警日志错误信息
[python] view plain copy
- [email protected]:~/dba_scripts/custom/bin> more check_alert.awk
- $0 ~ /Errors in file/ {print $0}
- $0 ~ /PMON: terminating instance due to error 600/ {print $0}
- $0 ~ /Started recovery/{print $0}
- $0 ~ /Archival required/{print $0}
- $0 ~ /Instance terminated/ {print $0}
- $0 ~ /Checkpoint not complete/ {print $0}
- $1 ~ /ORA-/ { print $0; flag=1 }
- $0 !~ /ORA-/ {if (flag==1){print $0; flag=0;print " "} }
- $0 ~ /ERROR_AUDIT/ {print $0}
3、老化Oracle告警日志脚本
[python] view plain copy
- [email protected]:~/dba_scripts/custom/bin> more age_alert.sh
- #!/bin/bash
- # ------------------------------------------------------------+
- # Age the alert log file |
- # FileName: age_alert.sh |
- # Desc: |
- # The script use to age the alert log file |
- # Usage: |
- # ./age_alert.sh $ORACLE_SID |
- # |
- # Authror : Robinson |
- # Blog : http://blog.csdn.net/robinson_0612 |
- # ------------------------------------------------------------+
- # --------------------------
- # Check SID
- # --------------------------
- if [ -z "${1}" ];then
- echo "Usage: "
- echo " `basename $0` ORACLE_SID"
- exit 1
- fi
- # -------------------------------
- # Set environment here
- # ------------------------------
- if [ -f ~/.bash_profile ]; then
- . ~/.bash_profile
- fi
- export MAIL_DIR=/users/robin/dba_scripts/sendEmail-v1.56
- export MAIL_LIST=‘[email protected]‘
- export MAIL_FM=‘[email protected]‘
- ORACLE_SID=$1; export ORACLE_SID
- # ----------------------------------------------
- # check if the database is running, if not exit
- # ----------------------------------------------
- db_stat=`ps -ef | grep pmon_$ORACLE_SID | grep -v grep| cut -f3 -d_`
- if [ -z "$db_stat" ]; then
- echo " $ORACLE_SID is not available on `hostname` !!!"
- MAIL_SUB=" $ORACLE_SID is not available on `hostname` !!!"
- MAIL_MSG="$ORACLE_SID is not available on `hostname` before age alert log file, exit, please check !"
- $MAIL_DIR/sendEmail -u $MAIL_SUB -f $MAIL_FM -t $MAIL_LIST -m $MAIL_MSG
- exit 1
- fi
- # -----------------------------------
- # Find bdump directory for database
- # -----------------------------------
- DUMP_DIR=`sqlplus -S ‘/ as sysdba‘ << EOF
- set pagesize 0 feedback off verify off heading off echo off
- SELECT value FROM v\\$parameter WHERE name = ‘background_dump_dest‘;
- exit
- EOF`
- if [ -z ${DUMP_DIR} ]; then
- echo "The bdump directory was not found for ${ORACLE_SID}"
- MAIL_SUB="The bdump directory was not found for ${ORACLE_SID}"
- MAIL_MSG="The bdump directory was not found for ${ORACLE_SID} on `hostname` before age log file,exit,please check !"
- $MAIL_DIR/sendEmail -u $MAIL_SUB -f $MAIL_FM -t $MAIL_LIST -m $MAIL_MSG
- exit 1
- else
- echo ${DUMP_DIR}
- fi
- # -------------------------------
- # Archive alert log file
- # -------------------------------
- DT=`date +%Y%m%d -d ‘-1 day‘`
- OLD_DIR=${DT:0:6}
- NEW_DIR=`date +%Y%m`
- ORIG_ALERT_LOG=${DUMP_DIR}/alert_${ORACLE_SID}.log
- OLD_ARC_DIR=${DUMP_DIR}/${OLD_DIR}
- NEW_ARC_DIR=${DUMP_DIR}/${NEW_DIR}
- if [ ! -d "${NEW_ARC_DIR}" ] ; then
- mkdir ${NEW_ARC_DIR}
- fi
- if [ "${OLD_DIR}" \< "${NEW_DIR}" ];then
- ARC_LOG=${OLD_ARC_DIR}/alert_${ORACLE_SID}.log.${DT}
- else
- ARC_LOG=${NEW_ARC_DIR}/alert_${ORACLE_SID}.log.${DT}
- fi
- cat ${ORIG_ALERT_LOG} >>${ARC_LOG}
- cat /dev/null>${ORIG_ALERT_LOG}
- exit
4、部署脚本到crontab
[python] view plain copy
- */15 * * * * /users/robin/dba_scripts/custom/bin/ck_alert.sh MMBOTST
- 0 0 * * * /users/robin/dba_scripts/custom/bin/age_alert.sh MMBOTST
5、补充
a、上面脚本用于实时监控Oracle告警日志,一旦检测到错误,将发送邮件。
b、对于已经检查过且发现错误的日志将被移动作为归档,也就是Oracle错误不会被重复检测。
c、所有有关错误检测的过滤条件被放置到过滤文件check_alert.awk中。
d、第3个脚本用于老化告警日志,建议设置老化的时间为每天0点,这样子,每天将会保留当天的告警日志。
e、对于老化的告警日值,按年月来存放,也即是以年月命名文件夹,当天告警日志会存放在当月文件夹。
f、使用了sendEmail邮件发送程序来发送邮件。参阅:不可或缺的 sendEmail g、该脚本仅在Oracle 10g测试可用,Oracle 11g应做相应修改。
转:http://blog.csdn.net/leshami/article/details/8569759