Shulou(Shulou.com)06/01 Report--

Error case of rman recovery data

System environment:

Operating system: AIX 5300-08

Oracle: Oracle 10.2.0.1.0

Error phenomenon:

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 datafile backupset restore

Channel ORA_DISK_1: specifying datafile (s) to restore from backup set

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

Channel ORA_DISK_1: reading from backup piece / backup/inc0_PROD_2qp8omr6_1_1

RMAN-00571: =

RMAN-00569: = ERROR MESSAGE STACK FOLLOWS =

RMAN-00571: =

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

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

ORA-19573: cannot obtain exclusive enqueue for datafile 4

I always thought there was something wrong with the backup, and I couldn't find the backup data file!

It turns out that DataBase forgot to datafile offline under open, causing this low-level error; after offline the data file, the problem is solved!

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