使用innobackupex备份时，报错信息如下：mysql]$innobackupex --user=root --password=root.admin --defaults-file=/etc/my.cnf /home/mysql/bak/innobackup-bak/
InnoDB Backup Utility v1.5.1-xtrabackup; Copyright 2003, 2009 Innobase Oy
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This software is published under
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150723 16:40:13 innobackupex: Connecting to MySQL server with DSN 'dbi:mysql:;mysql_read_default_file=/etc/my.cnf;mysql_read_default_group=xtrabackup' as 'root' (using password: YES).
innobackupex: got a fatal error with the following stacktrace: at /usr/bin/innobackupex line 2995
main::mysql_connect('abort_on_error', 1) called at /usr/bin/innobackupex line 1530
innobackupex: Error: Failed to connect to MySQL server: DBI connect(';mysql_read_default_file=/etc/my.cnf;mysql_read_default_group=xtrabackup','root',...) failed: Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) at /usr/bin/innobackupex line 2979
根据报错信息有个解决方式就是在/var/lib/mysql/下建立个软连接，如 ln -s /file/mysql/bin/mysql.sock /var/lib/mysql/mysql.sock，除了这个还能怎么处理？修改脚本的方式有没？
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