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  • mysql全备份脚本速查

    mysql全备份脚本

    # 快捷备份方式
    [root@nb scripts]# cat db.backup.sh 
    #!/bin/bash
    mysqldump -ubackup -pbackuppwd -P3306 -h192.168.65.128 -R -E --triggers -e --max_allowed_packet=16777216 --net_buffer_length=16384 --master-data=2
    --single-transaction -B db1 --quick | gzip >/backup/db1_back_`date +%Y-%m-%d_%H_%M_%S`.sql.gz
    # 边解压边倒入
    # gunzip < mobile_billing-dump-2018070609.sql.gz | mysql
    # 分开独立备份文件
    
    mkdir -p /home/databak
    cat >/home/databak/dbbbak.sh <<"EOF"
    #!/bin/bash
    . ~root/.bash_profile
    ### dump north db ###
    cd /home/databak/
    
    #ALL_DATABASE="$1_all_database-dump-`date +%Y%m%d%H`.sql.gz"
    #data_filename="$1-dump-"`date +%Y%m%d%H`.sql.gz
    #bakdir=$1
    #if [ $2 = '3306' ] ; then
    etcfile='/etc/my.cnf'
    #else
    #etcfile="/home/mysql_$2/my.cnf"
    #fi
    #if [ ! -e $bakdir ];then
    #  mkdir $bakdir
    #  fi
    for database in `mysql -e "show databasesG"|grep Database |egrep -iv 'mysql|performance_schema|information_schema|sys'|awk -F: '{print $2}'`
    do
      data_filename="$database-dump-"`date +%Y%m%d%H`.sql.gz
      mysqldump --defaults-file=$etcfile -f -hlocalhost -uroot --default-character-set=utf8 --master-data=2 --single-transaction --set-gtid-purged=OFF -R --triggers -q -B $database|gzip> /home/databak/${data_filename}
    #get md5sum and file size
    
      data_filesize=`ls -l /home/databak/${data_filename}| awk '{print $5}'`
      data_filemd5=`md5sum /home/databak/${data_filename} | awk '{print $1}'`
    
      echo "${data_filemd5} ${data_filesize}" > /home/databak/${data_filename}.md5
    done
    ### delete 30 day ago DB backup ###
      find /home/databak/ -mtime +30 -type f -name "*-dump-*.sql.gz*" | xargs rm -fr "{}" ;
      #find /home/databak/ -mtime +30 -type f -name "xtra*tar.gz*" | xargs rm -fr "{}" ;
      #find /home/databak/increbak/mysql -mtime +1 -type f -name "xtrainc*md5" |xargs rm -f "{}" ;
    EOF
    
    00 03 * * * /bin/bash /home/databak/dbbbak.sh
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  • 原文地址:https://www.cnblogs.com/bjx2020/p/9110654.html
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