MySQL數據庫備份腳本,下面的腳本是Mysql全量備份+異地備份

#!/bin/bash  
# description:  MySQL buckup shell script  
# author:       caozhiming
# 192.168.10.10 爲專門的備份服務器，需要做一下服務器之間免密碼登錄

#備份的數據庫名
DATABASES=(
            "DB01"
            "DB02"                    
)
USER="root"
PASSWORD="dbpwd123"

MAIL="[email protected]" 
BACKUP_DIR=/data/backup
LOGFILE=/data/backup/data_backup.log 
DATE=`date +%Y%m%d_%H%M`

cd $BACKUP_DIR
#開始備份之前，將備份信息頭寫入日記文件   
echo "--------------------" >> $LOGFILE   
echo "BACKUP DATE:" $(date +"%y-%m-%d %H:%M:%S") >> $LOGFILE   
echo "-------------------" >> $LOGFILE

for DATABASE in ${DATABASES};do
  /usr/local/mysql/bin/mysqldump -u$USER -p$PASSWORD --events  -R --opt  $DATABASE |gzip >${BACKUP_DIR}\/${DATABASE}_${DATE}.sql.gz
  if [ $? == 0 ];then
    echo "$DATE--$DATABASE is backup succeed" >> $LOGFILE
  else
    echo "Database Backup Fail!" >> $LOGFILE   
done
#判斷數據庫備份是否全部成功，全部成功就同步到異地備份f服務器
if [ $? == 0 ];then
  /usr/bin/rsync -zrtopg   --delete  /data/backup/* [email protected]:/data/backup/  >/dev/null 2>&1
else
  echo "Database Backup Fail!" >> $LOGFILE   
  #備份失敗後向管理者發送郵件提醒
  mail -s "database Daily Backup Fail!" $MAIL   
fi

#刪除30天以上的備份文件  
find $BACKUP_DIR  -type f -mtime +30 -name "*.gz" -exec rm -f {} \;