• Arun Kumar

RMAN Repair Block Corruption

Check Block Corruptions (SQLPLUS)

COLUMN owner FORMAT A20
COLUMN segment_name FORMAT A30
SELECT DISTINCT owner, segment_name
FROM   v$database_block_corruption dbc
       JOIN dba_extents e ON dbc.file# = e.file_id AND dbc.block# BETWEEN e.block_id and e.block_id+e.blocks-1
ORDER BY 1,2;
       

Recover Blocks Using RMAN

RMAN> blockrecover datafile 3 block 121;

Other Block Repair Methods

  • Full DB recovery

  • Individual datafile recovery

  • Drop table and restore if from previous export

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