[oracle@Rhel5 ~]$ dbv file=/u01/oradata/10G101/users01.dbf blocksize=8192 file要输入绝对路径,否则可能会报dbv-600错误 DBVERIFY: Release 10.2.0.5.0 - Production on Mon Aug 5 23:34:28 2013 Copyright (c) 1982, 2007, Oracle. All rights reserved. DBVERIFY - Verification starting : FILE = /u01/oradata/10G101/system01.dbf Page 28618 is marked corrupt Corrupt block relative dba: 0x00406fca (file 1, block 28618) Bad check value found during dbv: Data in bad block: type: 6 format: 2 rdba: 0x00406fca last change scn: 0x0000.00029ab9 seq: 0x1 flg: 0x04 spare1: 0x0 spare2: 0x0 spare3: 0x0 consistency value in tail: 0x9ab90601 check value in block header: 0xc694 computed block checksum: 0x7400 DBVERIFY - Verification complete Total Pages Examined : 57600 Total Pages Processed (Data) : 38088 Total Pages Failing (Data) : 0 Total Pages Processed (Index): 7049 Total Pages Failing (Index): 0 Total Pages Processed (Other): 1867 Total Pages Processed (Seg) : 1 Total Pages Failing (Seg) : 0 Total Pages Empty : 10595 Total Pages Marked Corrupt : 1 Total Pages Influx : 0 Highest block SCN : 676674 (0.676674)
SQL> select t.ts#,s.header_file,s.header_block from v$tablespace t,dba_segments s where s.segment_name='TEST and t.name=s.tablespace_name; TS# HEADER_FILE HEADER_BLOCK ---------- ----------- ------------ 0 1 56377 [oracle@Rhel5 10G101]$ dbv userid=system/password segment_id=0.1.56377 DBVERIFY: Release 10.2.0.5.0 - Production on Mon Aug 5 23:03:54 2013 Copyright (c) 1982, 2007, Oracle. All rights reserved. DBVERIFY - Verification starting : SEGMENT_ID = 0.1.56377 DBVERIFY - Verification complete Total Pages Examined : 2 Total Pages Processed (Data) : 1 Total Pages Failing (Data) : 0 Total Pages Processed (Index): 0 Total Pages Failing (Index): 0 Total Pages Processed (Other): 0 Total Pages Processed (Seg) : 1s Total Pages Failing (Seg) : 0 Total Pages Empty : 0 Total Pages Marked Corrupt : 1 Total Pages Influx : 0 Highest block SCN : 666485 (0.666485)
RMAN> backup check logical validate datafile 1;
SQL> select file#,block#,blocks from v$database_block_corruption; FILE# BLOCK# BLOCKS ---------- ---------- ---------- 1 28618 1