解压

[root@localhost ~]# rpm -ivh percona-xtrabackup-2.3.3-1.el6.x86_64.rpm

warning: percona-xtrabackup-2.3.3-1.el6.x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID cd2efd2a: NOKEY

error: Failed dependencies:

libev.so.4()(64bit) is needed by percona-xtrabackup-2.3.3-1.el6.x86_64

perl(DBD::mysql) is needed by percona-xtrabackup-2.3.3-1.el6.x86_64

解决方法：

[root@localhost ~]# yum -y install perl-DBD-MySQL

http://dist.schmorp.de/libev/下载libev-4.15.tar.gz

[root@localhost ~]# tar -zxf libev-4.22.tar.gz

[root@localhost libev-4.22]# ./configure

checking for a BSD-compatible install... /usr/bin/install -c

checking whether build environment is sane... yes

checking for a thread-safe mkdir -p... /bin/mkdir -p

………..

[root@localhost libev-4.22]# make

make all-am

make[1]: Entering directory `/root/libev-4.22'

/bin/sh ./libtool --tag=CC--mode=compile gcc -DHAVE_CONFIG_H -I. -g -O3 -MT ev.lo -MD -MP -MF .deps/ev.Tpo -c -o ev.lo ev.c

…………

[root@localhost libev-4.22]# make install

make[1]: Entering directory `/root/libev-4.22'

/bin/mkdir -p '/usr/local/lib'

/bin/sh ./libtool--mode=install /usr/bin/install -clibev.la '/usr/local/lib'

libtool: install: /usr/bin/install -c .libs/libev.so.4.0.0 /usr/local/lib/libev.so.4.0.0

……….
查看libev安装信息
[root@localhost libev-4.22]# find / -name 'libev.so'
/root/libev-4.22/.libs/libev.so
/usr/local/lib/libev.so

配置lib访问
[root@localhost libev-4.22]# cat /etc/profile
export LIBDIR=/usr/local/lib
export LD_LIBRARY_PATH=/usr/local/lib
export LD_RUN_PATH=/usr/local/lib

再次安装：

[root@rh74 XtraBackup]# rpm -ivh percona-xtrabackup-2.3.2-1.el6.x86_64.rpm
warning: percona-xtrabackup-2.3.2-1.el6.x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID cd2efd2a: NOKEY
error: Failed dependencies:
libev.so.4()(64bit) is needed by percona-xtrabackup-2.3.2-1.el6.x86_64
再次安装失败

下载libev（64）并安装：

http://rpmfind.net/linux/rpm2html/search.php?query=libev.so.4()(64bit)
[root@localhost ~]# rpm -ivh libev-4.15-1.el6.rf.x86_64.rpm
warning: libev-4.15-1.el6.rf.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 6b8d79e6: NOKEY
Preparing...########################################### [100%]
1:libev ########################################### [100%]
[root@localhost ~]# rpm -ivh percona-xtrabackup-2.3.3-1.el6.x86_64.rpm
warning: percona-xtrabackup-2.3.3-1.el6.x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID cd2efd2a: NOKEY
Preparing...########################################### [100%]
1:percona-xtrabackup ########################################### [100%]
[root@localhost ~]# rpm -ivh percona-xtrabackup-debuginfo-2.3.3-1.el6.x86_64.rpm
warning: percona-xtrabackup-debuginfo-2.3.3-1.el6.x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID cd2efd2a: NOKEY
Preparing...########################################### [100%]
1:percona-xtrabackup-debu########################################### [100%]
[root@localhost ~]# rpm -ivh percona-xtrabackup-test-2.3.3-1.el6.x86_64.rpm
warning: percona-xtrabackup-test-2.3.3-1.el6.x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID cd2efd2a: NOKEY
Preparing...########################################### [100%]
1:percona-xtrabackup-test########################################### [100%]

安装成功