同样恢复一个数据文件,rman和sql中…

重命名的一个数据文件，重命名了日志序列号为148的归档日志，有0级和1级增量备份

RMAN> recover datafile 4;

archived log for thread 1 with sequence 145 is already on disk
as file
/u02/oracle/flash_recovery_area/TESTDB/archivelog/2013_05_20/o1_mf_1_145_8sl7jyvm_.arc
archived log for thread 1 with sequence 146 is already on disk
as file
/u02/oracle/flash_recovery_area/TESTDB/archivelog/2013_05_20/o1_mf_1_146_8sl7oncr_.arc
archived log for thread 1 with sequence 147 is already on disk
as file
/u02/oracle/flash_recovery_area/TESTDB/archivelog/2013_05_20/o1_mf_1_147_8sl815wr_.arc
archived log for thread 1 with sequence 149 is already on disk
as file
/u02/oracle/flash_recovery_area/TESTDB/archivelog/2013_05_20/o1_mf_1_149_8sl8qonq_.arc
archived log for thread 1 with sequence 150 is already on disk
as file
/u02/oracle/flash_recovery_area/TESTDB/archivelog/2013_05_20/o1_mf_1_150_8sltvt93_.arc
RMAN-00571:
===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS
===============
RMAN-00571:
===========================================================
RMAN-03002: failure of recover command at 05/20/2013
14:05:10
RMAN-06053: unable to perform media recovery because of
missing log
RMAN-06025: no backup of archived log for thread 1 with
sequence 148 and starting SCN of 4037950 found to restore

RMAN> 

SQL> recover datafile 4;
ORA-00279: change 4017503 generated at 05/20/2013 02:45:31
needed for thread 1
ORA-00289: suggestion :

/u02/oracle/flash_recovery_area/TESTDB/archivelog/2013_05_20/o1_mf_1_145_8sl7jyv
m_.arc
ORA-00280: change 4017503 for thread 1 is in sequence
#145

Specify log: {=suggested | filename | AUTO | CANCEL}

ORA-00279: change 4017615 generated at 05/20/2013 02:46:54
needed for thread 1
ORA-00289: suggestion :

/u02/oracle/flash_recovery_area/TESTDB/archivelog/2013_05_20/o1_mf_1_146_8sl7onc
r_.arc
ORA-00280: change 4017615 for thread 1 is in sequence
#146

Specify log: {=suggested | filename | AUTO | CANCEL}

ORA-00279: change 4017798 generated at 05/20/2013 02:49:24
needed for thread 1
ORA-00289: suggestion :

/u02/oracle/flash_recovery_area/TESTDB/archivelog/2013_05_20/o1_mf_1_147_8sl815w
r_.arc
ORA-00280: change 4017798 for thread 1 is in sequence
#147

Specify log: {=suggested | filename | AUTO | CANCEL}

Log applied.
Media recovery complete.
SQL> recover database;
ORA-00283: recovery session canceled due to errors
ORA-01124: cannot recover data file 1 - file is in use or
recovery
ORA-01110: data file 1:
'/u02/oracle/oradata/testdb/system01.dbf'

SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup
ORACLE instance started.

Total System Global Area  417546240
bytes
Fixed Size    
     
     
 2213936 bytes
Variable Size    
     
  314574800 bytes
Database Buffers    
      96468992
bytes
Redo Buffers    
     
     4288512
bytes
Database mounted.
Database opened.

SQL> recover datafile 4;
ORA-00283: recovery session canceled due to errors
ORA-00264: no recovery required

SQL> alter database datafile 4 online;  
     
   

Database altered.

SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup
ORACLE instance started.

Total System Global Area  417546240
bytes
Fixed Size    
     
     
 2213936 bytes
Variable Size    
     
  314574800 bytes
Database Buffers    
      96468992
bytes
Redo Buffers    
     
     4288512
bytes
Database mounted.
Database opened.
SQL> 

为什么Rman中需要序列为148的归档日志，而在SQL中却到147的归档日志就完成恢复了（完全恢复)