RMAN恢复完全恢复之部分数据文件丢失

SQL> conn scott/scott;

Connected.

SQL> select * from tab;

TNAME       TABTYPE
CLUSTERID

------------------------------ ------- ----------

BONUS       TABLE

DEPT       TABLE

EMP       TABLE

SALGRADE       TABLE

SQL> create table emp1 as select * from emp;

Table created.

SQL> commit;

Commit complete.

SQL> insert into emp1 select * from emp1;

14 rows created.

SQL> select count(*) from emp1;

  COUNT(*)

----------
28

SQL> conn / as sysdba    

Connected.

SQL> set line 9999 pages 9999;

SQL> select * from v$log;

    GROUP#    THREAD#  SEQUENCE#      BYTES  BLOCKSIZE
 MEMBERS ARC STATUS       FIRST_CHANGE# FIRST_TIM NEXT_CHANGE# NEXT_TIME

---------- ---------- ---------- ---------- ---------- ---------- --- ---------------- ------------- --------- ------------ ---------
1    1
      4   52428800   512
1 YES INACTIVE     1116377 28-FEB-17
   1138231 28-FEB-17
2    1
      5   52428800   512
1 YES ACTIVE     1138231 28-FEB-17
   1176125 28-FEB-17
3    1
      6   52428800   512
1 NO  CURRENT     1176125 28-FEB-17
2.8147E+14

SQL> conn scott/scott;

Connected.

SQL> commit;

Commit complete.

SQL> conn / as sysdba

Connected.

SQL> alter system switch logfile;

System altered.

SQL> select * from v$log;

    GROUP#    THREAD#  SEQUENCE#      BYTES  BLOCKSIZE
 MEMBERS ARC STATUS       FIRST_CHANGE# FIRST_TIM NEXT_CHANGE# NEXT_TIME

---------- ---------- ---------- ---------- ---------- ---------- --- ---------------- ------------- --------- ------------ ---------
1    1
      7   52428800   512
1 NO  CURRENT     1176322 28-FEB-17
2.8147E+14
2    1
      5   52428800   512
1 YES INACTIVE     1138231 28-FEB-17
   1176125 28-FEB-17
3    1
      6   52428800   512
1 YES ACTIVE     1176125 28-FEB-17
   1176322 28-FEB-17

SQL> shutdown abort;

ORACLE instance shut down.

SQL> exit

Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production

With the Partitioning, OLAP, Data Mining and Real Application Testing options

[oracle@node1 ~]$ cd /u01/app/oracle/oradata/

[oracle@node1 oradata]$ ls

DB11G

[oracle@node1 oradata]$ cd DB11G/

[oracle@node1 DB11G]$ ls

control01.ctl      control02.ctl      example01.dbf  redo02.log  sysaux01.dbf  temp01.dbf     users01.dbf

control01.ctl.bak  control02.ctl.bak  redo01.log     redo03.log  system01.dbf  undotbs01.dbf  users01.dbf.bak

[oracle@node1 DB11G]$ rm -rf users01.dbf

[oracle@node1 DB11G]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.4.0 Production on Tue Feb 28 15:20:10 2017

Copyright (c) 1982, 2013, Oracle.  All rights reserved.

Connected to an idle instance.

SQL> startup;

ORACLE instance started.

Total System Global Area  409194496 bytes

Fixed Size    2253744 bytes

Variable Size  322964560 bytes

Database Buffers   79691776 bytes

Redo Buffers    4284416 bytes

Database mounted.

ORA-01157: cannot identify/lock data file 4 - see DBWR trace file

ORA-01110: data file 4: '/u01/app/oracle/oradata/DB11G/users01.dbf'

SQL> set time on;

15:20:58 SQL> alter database datafile 4 offline;

Database altered.

15:21:38 SQL> alter database open;

Database altered.

15:22:38 SQL> select file#,error from v$recover_file;

    FILE# ERROR

---------- -----------------------------------------------------------------
4 FILE NOT FOUND

15:22:57 SQL> !

[oracle@node1 DB11G]$ rman target /

Recovery Manager: Release 11.2.0.4.0 - Production on Tue Feb 28 15:23:44 2017

Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved.

connected to target database: DB11G (DBID=406755073)

RMAN> restore datafile 4;

Starting restore at 28-FEB-17

using target database control file instead of recovery catalog

allocated channel: ORA_DISK_1

channel ORA_DISK_1: SID=37 device type=DISK

channel ORA_DISK_1: starting datafile backup set restore

channel ORA_DISK_1: specifying datafile(s) to restore from backup set

channel ORA_DISK_1: restoring datafile 00004 to /u01/app/oracle/oradata/DB11G/users01.dbf

channel ORA_DISK_1: reading from backup piece /u02/backup/full_0urtm77a_1_1

channel ORA_DISK_1: piece handle=/u02/backup/full_0urtm77a_1_1 tag=TAG20170228T032425

channel ORA_DISK_1: restored backup piece 1

channel ORA_DISK_1: restore complete, elapsed time: 00:00:01

Finished restore at 28-FEB-17

RMAN> recover datafile 4;

Starting recover at 28-FEB-17

using channel ORA_DISK_1

starting media recovery

archived log for thread 1 with sequence 2 is already on disk as file /u02/archivelog/1_2_937106515.dbf

archived log for thread 1 with sequence 3 is already on disk as file /u02/archivelog/1_3_937106515.dbf

archived log for thread 1 with sequence 4 is already on disk as file /u02/archivelog/1_4_937106515.dbf

archived log for thread 1 with sequence 5 is already on disk as file /u02/archivelog/1_5_937106515.dbf

archived log for thread 1 with sequence 6 is already on disk as file /u02/archivelog/1_6_937106515.dbf

archived log for thread 1 with sequence 7 is already on disk as file /u02/archivelog/1_7_937106515.dbf

archived log file name=/u02/archivelog/1_2_937106515.dbf thread=1 sequence=2

archived log file name=/u02/archivelog/1_3_937106515.dbf thread=1 sequence=3

archived log file name=/u02/archivelog/1_4_937106515.dbf thread=1 sequence=4

archived log file name=/u02/archivelog/1_5_937106515.dbf thread=1 sequence=5

media recovery complete, elapsed time: 00:00:01

Finished recover at 28-FEB-17

RMAN> sql "alter database datafile 4 online";

sql statement: alter database datafile 4 online

RMAN> exit

Recovery Manager complete.

[oracle@node1 DB11G]$ sqlplus scott/scott

SQL*Plus: Release 11.2.0.4.0 Production on Tue Feb 28 15:24:47 2017

Copyright (c) 1982, 2013, Oracle.  All rights reserved.

Connected to:

Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production

With the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL> select count(*) from emp1;

  COUNT(*)

----------
28