shell脚本如何批量备份数据库
vim backup_db#!/bin/bash
mysql_host="192.168.1.12"
mysql_user="sige"
mysql_passwd="Sige123"
date=$(date +%Y-%m-%d)
bak=/data/backup/
#备份的数据库数组
db_arr=$(echo "show databases;" | mysql -u$mysql_user -p$mysql_passwd -h$mysql_host)
#不需要备份的单例数据库
nodeldb1="performance_schema"
nodeldb2="Database"
nodeldb3="information_schema"
nodeldb4="mysql"
#进入到备份目录
cd $bak
#循环备份
for dbname in ${db_arr}
do
if [ $dbname != $nodeldb1 -a $dbname != $nodeldb2 -a $dbname != $nodeldb3 -a $dbname != $nodeldb4 ]; then
sqlfile=$dbname-$date".sql"
mysqldump -u$mysql_user -p$mysql_passwd -h$mysql_host--default-character-set=utf8 $dbname >$sqlfile
fi
done
#tar打包所有的sql文件
tar -zcf$sqlfile.tar.gz $sqlfile
rm -f$sqlfile
find . -type f -mtime +5 | grep -v backup_db | xargs rm -rf
find . -type f -size 0c | xargs rm -rf
页:
[1]