ORACLE data block corrupted
检测到磁盘上的数据块已损坏，会报告文件号和块号。
SELECT * FROM v$database_block_corruption;RMAN> BACKUP VALIDATE CHECK LOGICAL DATABASE;SELECT owner, segment_name, segment_type FROM dba_extents WHERE file_id = &file# AND &block# BETWEEN block_id AND block_id + blocks - 1;