block corrupt 的log Current log# 12 seq# 47247 mem# 0: /data2/obs5_db/obs5_log/obs5_redo_12.log *** Corrupt block relative dba: 0x0f457f48 file=61. blocknum=360264. Fractured block found during buffer read Data in bad block - type:6. format:2. rdba:0x0f457f48
DBMS_REPAIR.CHECK_OBJECT ( schema_name IN VARCHAR2, object_name IN VARCHAR2, partition_name IN VARCHAR2 DEFAULT NULL, object_type IN BINARY_INTEGER DEFAULT TABLE_OBJECT, repair_table_name IN VARCHAR2 DEFAULT ’REPAIR_TABLE’, flags IN BINARY_INTEGER DEFAULT NULL, relative_fno IN BINARY_INTEGER DEFAULT NULL, block_start IN BINARY_INTEGER DEFAULT NULL, block_end IN BINARY_INTEGER DEFAULT NULL, corrupt_count OUT BINARY_INTEGER);
schema_name IN VARCHAR2, object_name IN VARCHAR2, partition_name IN VARCHAR2 DEFAULT NULL, object_type IN BINARY_INTEGER DEFAULT TABLE_OBJECT, repair_table_name IN VARCHAR2 DEFAULT ’REPAIR_TABLE’, flags IN BINARY_INTEGER DEFAULT NULL, fix_count OUT BINARY_INTEGER);
schema_name IN VARCHAR2, object_name IN VARCHAR2, object_type IN BINARY_INTEGER DEFAULT TABLE_OBJECT, flags IN BINARY_INTEGER DEFAULT SKIP_FLAG); dbv 你也可以用dbv工具看一下你现在其他的数据文件有没有还有坏块的 具体的恢复方法 在Oracle数据库出现坏块时,Oracle会在警告日志文件(alert_SID.log)中记录坏块的信息: ORA-01578: ORACLE data block corrupted (file # 7, block # ) ORA-01110: data file : '/oracle1/oradata/V920/oradata/V816/users01.dbf'
请注意:<AFN>代表坏块所在数据文件的绝对文件号,代表坏块是数据文件上的第几个数据块,出现这种情况时,应该首先检查是否是硬件及操作系统上的故障导致Oracle数据库出现坏块。在排除了数据库以外的原因后,再对发生坏块的数据库对象进行处理。
SELECT tablespace_name, segment_type, owner, segment_name FROM dba_extents WHERE file_id = AND between block_id AND block_id+blocks-1; (2)决定修复方法
exec DBMS_REPAIR.SKIP_CORRUPT_BLOCKS('','');
create table corrupt_table_bak as select * from corrupt_table;
drop table corrupt_table; (6)用alter table rename命令恢复原来的表 alter table corrupt_table_bak rename to corrupt_table; |