第一处错误：
Can't locate Time/HiRes.pm in @INC (@INC contains: /usr/local/lib64/perl5 /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5 .) at /usr/bin/innobackupex line 24.
BEGIN failed--compilation aborted at /usr/bin/innobackupex line 24.
解决方法： yum install perl-Time-HiRes -y
第二处错误：
innobackupex: Connecting to MySQL server with DSN 'dbi:mysql:;mysql_read_default_file=/db/mysql5.6/my.cnf;mysql_read_default_group=xtrabackup' as 'bkpuser' (using password: YES).
innobackupex: Error: Failed to connect to MySQL server as DBD::mysql module is not installed at /usr/bin/innobackupex line 2960.
解决方法：yum install perl-DBD-MySQL -y
第三处错误：
InnoDB: The error means the system cannot find the path specified.
InnoDB: File ./ib_logfile0: 'open' returned OS error 71. Cannot continue operation
innobackupex: Error: The xtrabackup child process has died at /usr/bin/innobackupex line 2681.