1.免密
2.备份
innobackupex --defaults-file=/etc/3306.cnf --user=root --password=`cat /etc/sqlpass` --host=127.0.0.1 --port=3306 --stream=tar ./ | ssh [email protected] -p14573 \ "cat - > /data/dbbackup/backup.tar"
PS:tar xvf backup.tar.gz -C /path/to/
参考
https://www.percona.com/doc/percona-xtrabackup/LATEST/innobackupex/streaming_backups_innobackupex.html