OSD-04006: ReadFile() failure, unable to read from file

-- After media failure
03:03:25 150 4294967295 SYS@orcl> select * from t_t where object_name = 'test';
select * from t_t where object_name = 'test'
*
ERROR at line 1:
ORA-01115: IO error reading block from file 15 (block # 13)
ORA-01110: data file 15: 'F:\OCP\T_I.DBF'
ORA-27091: unable to queue I/O
ORA-27070: async read/write failed
OSD-04006: ReadFile() failure, unable to read from file
-- But file online
03:03:46 150 4294967295 SYS@orcl> select status, error from v$datafile_header where file# = 15;

STATUS | ERROR
----------- | -----------------------------------------------------------------
ONLINE | CANNOT READ HEADER
-- Put to offline
RMAN> sql 'alter database datafile 15 offline';

sql statement: alter database datafile 15 offline
-- Try back and cool! file just needs recovery
RMAN> sql 'alter database datafile 15 online';

sql statement: alter database datafile 15 online
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03009: failure of sql command on default channel at 12/11/2010 03:09:42
RMAN-11003: failure during parse/execution of SQL statement: alter database datafile 15 online
ORA-01113: file 15 needs media recovery
ORA-01110: data file 15: 'F:\OCP\T_I.DBF'

03:10:04 150 4294967295 SYS@orcl> select status, error from v$datafile_header where file# = 15;

STATUS | ERROR
----------- | -----------------------------------------------------------------
OFFLINE |

-- Recover
03:09:51 150 4294967295 SYS@orcl> recover datafile 15;
Media recovery complete.

-- And back to online
RMAN> sql 'alter database datafile 15 online';

sql statement: alter database datafile 15 online

-- Get working statement again :)
03:10:38 150 4294967295 SYS@orcl> select * from t_t where object_name = 'test';

no rows selected

Elapsed: 00:00:00.10

Execution Plan
----------------------------------------------------------
Plan hash value: 476242662

------------------------------------------------------------------------------------
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time |
------------------------------------------------------------------------------------
| 0 | SELECT STATEMENT | | 1 | 177 | 1 (0)| 00:00:01 |
| 1 | TABLE ACCESS BY INDEX ROWID| T_T | 1 | 177 | 1 (0)| 00:00:01 |
|* 2 | INDEX RANGE SCAN | T_I | 1 | | 1 (0)| 00:00:01 |
------------------------------------------------------------------------------------

Predicate Information (identified by operation id):
---------------------------------------------------

2 - access("OBJECT_NAME"='test')

Note
-----
- dynamic sampling used for this statement


Statistics
----------------------------------------------------------
0 recursive calls
0 db block gets
2 consistent gets
0 physical reads
0 redo size
995 bytes sent via SQL*Net to client
370 bytes received via SQL*Net from client
1 SQL*Net roundtrips to/from client
0 sorts (memory)
0 sorts (disk)
0 rows processed