centos 7.3 安装mysql 5.6
rpm -Uvh http://dev.mysql.com/get/mysql-community-release-el7-5.noarch.rpm yum repolist enabled | grep "mysql.*-community.*" （查看当前可用的mysql安装资源） yum -y install mysql-community-server systemctl start mysqld
安装阿里云的备份文件恢复工具：
yum install http://www.percona.com/downloads/percona-release/redhat/0.1-4/percona-release-0.1-4.noarch.rpm
yum install percona-xtrabackup
其他操作：
调整本地的磁盘：/ 分区110g的大小 systemctl stop mysqld 下载阿里云的全北实例： tar fx xxx.tar.gz mv /var/lib/mysql/* /opt cp -rp ./* /var/lib/mysql/ innobackupex --defaults-file=/var/lib/mysql/backup-my.cnf --apply-log /var/lib//mysql ...... InnoDB: Starting shutdown... InnoDB: Shutdown completed; log sequence number 1552626957387 190320 17:26:02 completed OK! --------->代表恢复成功 chown -R mysql. /var/lib/mysql systemctl start mysql 此时就可以利用登录账号登录了。