160904 18:01:58 Executing UNLOCK TABLES
160904 18:01:58 All tables unlocked
160904 18:01:58 Backup created in directory '/backup/2019-09-04_18-01-55'
MySQL binlog position: filename 'mysql-bin.000012', position '262'
160904 18:01:58 [00] Writing backup-my.cnf
160904 18:01:58 [00] ...done
160904 18:01:58 [00] Writing xtrabackup_info
160904 18:01:58 [00] ...done
xtrabackup: Transaction log of lsn (1626027) to (1626027) was copied.
160904 18:01:59 completed OK!
最后的completed OK!表示成功
二、使用innobackupex预备全备