安装使用Percona XtraBackup来备份恢复MySQL的教程

$ rpm -Uhv http://www.percona.com/downloads/percona-release/percona-release-0.0-1.x86_64.rpm

Retrieving http://www.percona.com/downloads/percona-release/percona-release-0.0-1.x86_64.rpm

Preparing...        ########################################### [100%]

  1:percona-release    ########################################### [100%]

[percona]

name = CentOS $releasever - Percona

baseurl=http://repo.percona.com/centos/$releasever/os/$basearch/

enabled = 1

gpgkey = file:///etc/pki/rpm-gpg/RPM-GPG-KEY-percona

gpgcheck = 1

yum list | grep percona

percona-release.x86_64           0.0-1            installed

...

Percona-Server-client-51.x86_64      5.1.47-rel11.1.51.rhel5   percona

Percona-Server-devel-51.x86_64       5.1.47-rel11.1.51.rhel5   percona

Percona-Server-server-51.x86_64      5.1.47-rel11.1.51.rhel5   percona

Percona-Server-shared-51.x86_64      5.1.47-rel11.1.51.rhel5   percona

Percona-Server-test-51.x86_64       5.1.47-rel11.1.51.rhel5   percona

...

xtrabackup.x86_64             1.2-22.rhel5        percona

grant user 'bkpuser'@'localhost' identified by '123';
grant reload,lock tables,replication client on *.* to 'bkpuser'@'localhost';
flush privileges;

innobackupex --user=root --password=root --socket=/tmp/mysql.sock --defaults-file=/usr/local/mysql/my.cnf /tmp

innobackupex --user=root --password=root --socket=/tmp/mysql.sock --defaults-file=/usr/local/mysql/my.cnf --incremental /root/one --incremental-basedir=/tmp

innobackupex --user=root --password=root --socket=/tmp/mysql.sock --defaults-file=/usr/local/mysql/my.cnf --incremental /root/two --incremental-basedir=/root/one

innobackupex --apply-log --use-memory=4G /tmp

innobackupex --copy-back --defaults-file=/usr/local/mysql/my.cnf /tmp