Xtrabackup做备份时遇到下面错误信息MySQL server: Can't connect to local MySQL server through socket '/tmp/mysql.so‘（2）
[root@MySQL-DB ~]# innobackupex --defaults-file=/usr/my.cnf --user=root --password=password /mnt/resource/mysql_backup
160322 22:28:43 innobackupex: Starting the backup operation
IMPORTANT: Please check that the backup run completes successfully.
At the end of a successful backup run innobackupex
prints "completed OK!".
160322 22:28:43 version_check Connecting to MySQL server with DSN 'dbi:mysql:;mysql_read_default_group=xtrabackup' as 'root' (using password: YES).
Failed to connect to MySQL server as DBD::mysql module is not installed at - line 1327.
160322 22:28:43 Connecting to MySQL server host: localhost, user: root, password: set, port: 0, socket: (null)
Failed to connect to MySQL server: Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2).