mysql分库备份 分表备份

分库

[root@db01 scripts]# cat backup_database.sh 

#!/bin/bash
mysql_user=root
mysql_pass=123456
mkdir -p /backup
for n in `mysql -u$mysql_user -p$mysql_pass -e 'show databases;' 2>/dev/null|grep -Ev '_schema|mysql'|sed '1d'`;
do
mysqldump -u$mysql_user -p$mysql_pass -B $n 2>/dev/null>/backup/${n}_`date +%Y_%m_%d`.sql
done

分库分表

[root@db01 scripts]# cat backup_tables.sh 
#!/bin/bash
mysql_user=root
mysql_pass=123456
mkdir -p /backup
for n in `mysql -u$mysql_user -p$mysql_pass -e 'show databases;' 2>/dev/null|grep -Ev '_schema|mysql'|sed '1d'`;
do
mkdir -p /backup/$n
for m in `mysql -u$mysql_user -p$mysql_pass $n -e "show tables;" 2>/dev/null|sed '1d'`;
do
mysqldump -u$mysql_user -p$mysql_pass $n $m 2>/dev/null>/backup/${n}/${m}_`date +%Y_%m_%d`.sql
done
done