xtrabackup 安装
yum install -y perl-DBI perl-DBD-MySQL perl-Time-HiRes perl-IO-Socket-SSL
tar -xzvf percona-xtrabackup-2.1.9-744-Linux-x86_64.tar.gz
mv percona-xtrabackup-2.1.9-Linux-x86_64/ xtrabackup
mv xtrabackup/ /usr/local
chown -R mysql:mysql /usr/local/xtrabackup/
su - mysql
echo "export PATH=\$PATH:\$MYSQL_HOME/bin:/usr/local/xtrabackup/bin" >>/home/mysql/.bash_profile
source .bash_profile
xtrabackup 安装
原文：http://www.cnblogs.com/liang545621/p/7518248.html
