yum install http://www.percona.com/downloads/percona-release/redhat/0.1-3/percona-release-0.1-3.noarch.rpm 
yum list | grep percona 
yum install percona-xtrabackup



##备份
innobackupex --user=DBUSER --password=DBUSERPASS /path/to/BACKUP-DIR/  

#应用备份
innobackupex --apply-log  /path/to/BACKUP-DIR


#复制到目标库
scp -r /path/to/BACKUP-DIR root@slave_host:/data/

##停止数据库

/etc/init.d/mysql stop


###恢复备份
innobackupex --copy-back  /path/to/BACKUP-DIR

或者

innobackupex --defaults-file=/etc/my.cnf --defaults-group=mysqld1 --copy-back /path/to/BACKUP-DIR

chown -R mysql:mysql /path/to/BACKUP-DIR



主从

CHANGE MASTER TO
MASTER_HOST='<master_host>',
MASTER_USER='<slave_username>',
MASTER_PASSWORD='<slave_password>',
MASTER_PORT='<master_port>'
MASTER_LOG_FILE='<see xtrabackup_binlog_info>',
MASTER_LOG_POS=<see xtrabackup_binlog_info>;