053试题 329 - recover corruption list
題目:
329.If you find errors in the view V$DATABASE_BLOCK_CORRUPTION with a status of
MEDIA_CORRUPT, what RMAN command would you run to correct the problem?
A. recover lost blocks;
B. recover corrupt blocks;
C. recover media corrupt blocks from list;
D. recover corrupt blocks from list;
E. recover corruption list;
?
參考答案E
解析
題目意思是,發現視圖v$database_block_corruption視圖中有media_currupt。問使用哪個命令修復,使用recover corruption list命令修復。
選擇E 。
參考文檔:
https://docs.oracle.com/cd/E11882_01/backup.112/e10642/rcmblock.htm#BRADV200
Recovering All Blocks in V$DATABASE_BLOCK_CORRUPTION
In this scenario, RMAN automatically recovers all blocks listed in the V$DATABASE_BLOCK_CORRUPTION view.
To recover all blocks logged in V$DATABASE_BLOCK_CORRUPTION:
Start SQL*Plus and connect to the target database.
Query V$DATABASE_BLOCK_CORRUPTION to determine whether corrupt blocks exist. For example, execute the following statement:
SQL> SELECT * FROM V$DATABASE_BLOCK_CORRUPTION;Start RMAN and connect to the target database.
Recover all blocks marked corrupt in V$DATABASE_BLOCK_CORRUPTION.
The following command repairs all physically corrupted blocks recorded in the view:
RMAN> RECOVER CORRUPTION LIST;After the blocks are recovered, the database removes them from V$DATABASE_BLOCK_CORRUPTION.
END
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