rman 恢复数据错误案例：RMAN-03002

rman 恢复数据错误案例

系统环境：

操作系统： AIX 5300-08

Oracle：   Oracle10.2.0.1.0

 

错误现象：

RMAN> restore datafile 4;

Starting restore at 20-MAY-14

allocated channel: ORA_DISK_1

channel ORA_DISK_1: sid=139 devtype=DISK

 

channel ORA_DISK_1: starting datafilebackupset restore

channel ORA_DISK_1: specifyingdatafile(s) to restore from backup set

restoring datafile 00004 to/u01/app/oracle/oradata/prod/users01.dbf

channel ORA_DISK_1: reading from backuppiece /backup/inc0_PROD_2qp8omr6_1_1

RMAN-00571:===========================================================

RMAN-00569: =============== ERRORMESSAGE STACK FOLLOWS ===============

RMAN-00571:===========================================================

RMAN-03002: failure of restore commandat 05/20/2014 12:19:41

ORA-19870: error reading backup piece/backup/inc0_PROD_2qp8omr6_1_1

ORA-19573: cannot obtain exclusiveenqueue for datafile 4

 

一直以为是备份有问题，没有找到备份的数据文件！

 

原来是DataBase 在open下，忘了将datafile offline，造成此低级错误；将数据文件offline 后，问题解决！

原创作品，允许转载，转载时请务必以超链接形式标明文章 原始出处 、作者信息和本声明。否则将追究法律责任。http://tiany.blog.51cto.com/513694/1414293