1.停止數(shù)據(jù)庫

2.cp –rf /var/lib/mysql/data /data/mysql/data

3.修改權(quán)限:chown –R mysql:mysq /data/mysql/data

4.mv /var/lib/mysql /var/lib/mysql/data.backup

5.創(chuàng)建軟連接:ln -s /data/mysql/data  /var/lib/mysql/data

最后啟動