MySQL分库分表备份脚本
vim /data/mysqlback.sh#! /bin/bashBAKPATH=/data/mysql-backMYUSER=rootMYPASS="123456"SOCKET=/var/lib/mysql/mysql.sockMYCMD="mysql -u$MYUSER -p$MYPASS -S $SOCKET"MYDUMP="mysqldump -u$MYUSER -p$MYPASS -S $SOCKET -x -F -R"DBLIST=`$MYCMD -e "show databases;" |sed "1d" |egrep -v "_schema|test"`
[ ! -d $BAKPATH ] && mkdir -p $BAKPATHfor dbname in $DBLISTdo TLIST=`$MYCMD -e "show tables from $dbname;" |sed "1d"` for tname in $TLIST do mkdir -p $BAKPATH/$dbname $MYDUMP $dbname $tname |gzip > $BAKPATH/$dbname/${tname}_$(date +%F).sql.gz donedone
执行脚本后可以看到对数据库进行了分库分表的操作
执行脚本提示警告:-- Warning: Skipping the data of table mysql.event. Specify the --events option explicitly.
原因:mysqldump默认是不备份事件表
解决方法1:在mysqldump命令后面添加--events参数MYDUMP="mysqldump -u$MYUSER -p$MYPASS -S $SOCKET -x -F -R --events"
解决方法2:在mysqldump命令后面添加--events --ignore-table=mysql.events 参数MYDUMP="mysqldump -u$MYUSER -p$MYPASS -S $SOCKET -x -F -R --events --ignore-table=mysql.events"
来源: http://www.linuxidc.com/Linux/2017-04/142968.htm