MySQL 系列连载之 XtraBackup 增量热备 or 恢复实践（3）

2、可能报错2

Can’t locate DBI.pm in @INC (@INC contains: /usr/lib64/perl5/site_perl/5.8.8/x86_64-linux-thread-multi /usr/lib/perl5/site_perl/5.8.8 /usr/lib/perl5/site_perl /usr/lib64/perl5/vendor_perl/5.8.8/x86_64-linux-thread-multi /usr/lib/perl5/vendor_perl/5.8.8 /usr/lib/perl5/vendor_perl /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi /usr/lib/perl5/5.8.8 .) at /usr/local/webserver/mysql5.1.57/bin/mysqlhotcopy line 25.

BEGIN failed–compilation aborted at /usr/local/webserver/mysql5.1.57/bin/mysqlhotcopy line 25.

报错原因：系统没有按安装DBI组件.

DBI(Database Interface)是perl连接数据库的接口.其是perl连接数据库的最优秀方法,他支持包括Orcal,Sybase,mysql,db2等绝大多数的数据库.

解决办法：

安装DBI组件(Can’t locate DBI.pm in @INC-mysql接口)

或者单独装DBI、Data-ShowTable、DBD-mysql 三个组件

[root@test-huanqiu percona-xtrabackup-2.1.9]# yum -y install perl-DBD-MySQL
接着使用innobackupex命令测试是否正常

[root@test-huanqiu percona-xtrabackup-2.1.9]# innobackupex –help
Options:
–apply-log
Prepare a backup in BACKUP-DIR by applying the transaction log file
named “xtrabackup_logfile” located in the same directory. Also,
create new transaction logs. The InnoDB configuration is read from
the file “backup-my.cnf”.

–compact
Create a compact backup with all secondary index pages omitted. This
option is passed directly to xtrabackup. See xtrabackup
documentation for details.

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