xbstream 备份恢复

xbstream -x < ./backs/backup.xbstream  -C /dbnode/data/

innobackupex --defaults-file=/dbnode/etc/my.cnf --ibbackup=xtrabackup --apply-log /dbnode/data/

innobackupex --defaults-file=/dbnode/etc/my.cnf --ibbackup=xtrabackup --copy-back ./restore   (可不用)

chown -R mysql:mysql /dbnode/data