-bash-3.2$ ./innobackupex --version-check /usr/mysql/xtraback/xtrabackup03
InnoDB Backup Utility v1.5.1-xtrabackup;
150930 17:16:26 innobackupex: Executing a version check against the server...
150930 17:16:26 innobackupex: Connecting to MySQL server with DSN 'dbi:mysql:;mysql_read_default_group=xtrabackup' (using password: NO).
innobackupex: got a fatal error with the following stacktrace: at ./innobackupex line 3006
main::mysql_connect('abort_on_error', 1) called at ./innobackupex line 1551
innobackupex: Error: Failed to connect to MySQL server as DBD::mysql module is not installed at ./innobackupex line 3006.
150930 17:16:26 innobackupex: Connecting to MySQL server with DSN 'dbi:mysql:;mysql_read_default_group=xtrabackup' (using password: NO).
innobackupex: got a fatal error with the following stacktrace: at ./innobackupex line 3006
main::mysql_connect('abort_on_error', 1) called at ./innobackupex line 1570
innobackupex: Error: Failed to connect to MySQL server as DBD::mysql module is not installed at ./innobackupex line 3006.

報這樣一個錯誤。這個錯誤原因是innobackupex是用perl語言寫的，perl要透過perl DBI模組和DBD-mysql模組呼叫mysql資料庫來執行。
所以，需要安裝包perl-DBD-MySQL。安裝這個包，會遇到錯誤：
yum install perl-DBD-MySQL。採用這個命令安裝會出現如下錯誤：
Transaction Check Error:
file /etc/my.cnf from install of mysql-5.0.77-4.el5_5.4.i386 conflicts with file from package MySQL-server-5.6.25-1.linux_glibc2.5.i386
原因是：perl-DBD-MySQL對應了5.0版本的mysql，而你安裝的5.6的版本mysql。解決辦法是手動安裝DBD。
請參考我的文章 http://blog.itpub.net/30393770/viewspace-1813513/ 。

mysql innobackupex 的一則錯誤

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