Oracle脚本（三）

   Oracl自动保存当天的alert日志文件到当月的目录下，方便日志的查看和归类。参考网上文章，修改了自己的一份脚本。

#!/bin/bash
ORACLE_SID=orcl; export ORACLE_SID
ORACLE_BASE=/u01/app/oracle; export ORACLE_BASE
ORACLE_HOME=/u01/app/oracle/product/11.2.0/db_1; export ORACLE_HOME
DBALIST="[email protected]";export DBALIST
export MAIL_DIR=/usr/local/bin
export MAIL_LIST='[email protected]'
export MAIL_FM='[email protected]'
ORACLE_SID=orcl;  export ORACLE_SID
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 $MAIL_MSG
    exit 1
fi
DUMP_DIR=`sqlplus -S '/ as sysdba' << EOF
set pagesize 0 feedback off verify off heading off echo off
SELECT value FROM  v\\$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 ${DUMP_DIR}
fi
DT=`date +%Y%m%d -d '-1 day'`
OLD_DIR=${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