RMAN恢复案例之--不完全恢复错误案例

程序员文章站 2024-01-17 10:20:28

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RMAN恢复案例之--不完全恢复错误案例

RMAN恢复案例：

不完全恢复，由于在先前的数据文件备份有误，导致恢复失败。

[oracle@rh6 ~]$ rman target /
Recovery Manager: Release 11.2.0.1.0 - Production on Sat Sep 20 15:54:25 2014
Copyright (c) 1982, 2009, Oracle and/or its affiliates.  All rights reserved.
connected to target database: TEST1 (DBID=1195893416)

RMAN> run {
2> shutdown immediate;
3> startup mount;
4> set until time '2014-09-20 15:49:36';
5> restore database;
6> recover database ;
7> alter database open resetlogs;
8> sql'alter system switch logfile';
9> }
using target database control file instead of recovery catalog
database closed
database dismounted
Oracle instance shut down
connected to target database (not started)
Oracle instance started
database mounted
Total System Global Area     175767552 bytes
Fixed Size                     1335276 bytes
Variable Size                142606356 bytes
Database Buffers              29360128 bytes
Redo Buffers                   2465792 bytes
executing command: SET until clause
Starting restore at 20-SEP-14
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=18 device type=DISK
flashing back control file to SCN 9601534
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 00002 to /u01/app/oracle/oradata/test1/sysaux01.dbf
channel ORA_DISK_1: restoring datafile 00004 to /u01/app/oracle/oradata/test1/users01.dbf
channel ORA_DISK_1: restoring datafile 00005 to /u01/app/oracle/oradata/test1/perfs.dbf
channel ORA_DISK_1: restoring datafile 00007 to /u01/app/oracle/oradata/test1/undotbs2.dbf
channel ORA_DISK_1: restoring datafile 00010 to /u01/app/oracle/oradata/test1/index01.dbf
channel ORA_DISK_1: reading from backup piece /dsk1/backup/test1/TEST1_240.bak
channel ORA_DISK_1: piece handle=/dsk1/backup/test1/TEST1_240.bak tag=TAG20140920T152720
channel ORA_DISK_1: restored backup piece 1
channel ORA_DISK_1: restore complete, elapsed time: 00:00:35
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 00013 to /u01/app/oracle/oradata/test1/tbs_16.dbf
channel ORA_DISK_1: reading from backup piece /dsk1/backup/test1/TEST1_241.bak
channel ORA_DISK_1: piece handle=/dsk1/backup/test1/TEST1_241.bak tag=TAG20140920T152720
channel ORA_DISK_1: restored backup piece 1
channel ORA_DISK_1: restore complete, elapsed time: 00:00:01
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 00001 to /u01/app/oracle/oradata/test1/system01.dbf
channel ORA_DISK_1: restoring datafile 00003 to /u01/app/oracle/oradata/test1/test1.dbf
channel ORA_DISK_1: restoring datafile 00006 to /u01/app/oracle/oradata/test1/dict1.dbf
channel ORA_DISK_1: reading from backup piece /dsk1/backup/test1/TEST1_239.bak
channel ORA_DISK_1: piece handle=/dsk1/backup/test1/TEST1_239.bak tag=TAG20140920T152720
channel ORA_DISK_1: restored backup piece 1
channel ORA_DISK_1: restore complete, elapsed time: 00:00:45
Finished restore at 20-SEP-14
Starting recover at 20-SEP-14
using channel ORA_DISK_1
starting media recovery

recover 失败......

media recovery failed

RMAN-00571: ===========================================================

RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============

RMAN-00571: ===========================================================

RMAN-03002: failure of recover command at 09/20/2014 15:59:01

RMAN-20505: create datafile during recovery

RMAN-11003: failure during parse/execution of SQL statement: alter database recover if needed

start until time 'SEP 20 2014 15:49:36'

ORA-00283: recovery session canceled due to errors

ORA-01244: unnamed datafile(s) added to control file by media recovery

ORA-01110: data file 8: '/u01/app/oracle/oradata/test1/tbs2.dbf'

查看备份信息：

RMAN> list backup of database;
List of Backup Sets
===================
BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
229     Full    158.89M    DISK        00:01:18     20-SEP-14      
        BP Key: 229   Status: AVAILABLE  Compressed: NO  Tag: TAG20140920T152720
        Piece Name: /dsk1/backup/test1/TEST1_240.bak
  List of Datafiles in backup set 229
  File LV Type Ckp SCN    Ckp Time  Name
  ---- -- ---- ---------- --------- ----
  2       Full 9601534    20-SEP-14 /u01/app/oracle/oradata/test1/sysaux01.dbf
  4       Full 9601534    20-SEP-14 /u01/app/oracle/oradata/test1/users01.dbf
  5       Full 9601534    20-SEP-14 /u01/app/oracle/oradata/test1/perfs.dbf
  7       Full 9601534    20-SEP-14 /u01/app/oracle/oradata/test1/undotbs2.dbf
  10      Full 9601534    20-SEP-14 /u01/app/oracle/oradata/test1/index01.dbf
BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
230     Full    1.06M      DISK        00:00:01     20-SEP-14      
        BP Key: 230   Status: AVAILABLE  Compressed: NO  Tag: TAG20140920T152720
        Piece Name: /dsk1/backup/test1/TEST1_241.bak
  List of Datafiles in backup set 230
  File LV Type Ckp SCN    Ckp Time  Name
  ---- -- ---- ---------- --------- ----
  13      Full 9601534    20-SEP-14 /u01/app/oracle/oradata/test1/tbs_16.dbf
BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
231     Full    609.73M    DISK        00:01:32     20-SEP-14      
        BP Key: 231   Status: AVAILABLE  Compressed: NO  Tag: TAG20140920T152720
        Piece Name: /dsk1/backup/test1/TEST1_239.bak
  List of Datafiles in backup set 231
  File LV Type Ckp SCN    Ckp Time  Name
  ---- -- ---- ---------- --------- ----
  1       Full 9601534    20-SEP-14 /u01/app/oracle/oradata/test1/system01.dbf
  3       Full 9601534    20-SEP-14 /u01/app/oracle/oradata/test1/test1.dbf
  6       Full 9601534    20-SEP-14 /u01/app/oracle/oradata/test1/dict1.dbf
  8       Full 9601534    20-SEP-14 /u01/app/oracle/product/11.2.0/db_1/dbs/UNNAMED00008

在备份中发现:

'/u01/app/oracle/product/11.2.0/db_1/dbs/UNNAMED00008',而在数据库中并没有这个数据文件！

解决方法：

将datafile offline，open数据库：

16:02:43 SYS@ test1 >alter database datafile 8 offline;
Database altered.

recover database跳过此表空间：

RMAN> recover database skip tablespace tbs2;

Starting recover at 20-SEP-14
using channel ORA_DISK_1
Executing: alter database datafile 8 offline
starting media recovery
media recovery complete, elapsed time: 00:00:30
Finished recover at 20-SEP-14

查看告警日志：

alter database datafile 8 offline
Completed: alter database datafile 8 offline
alter database recover datafile list clear
Completed: alter database recover datafile list clear
alter database recover datafile list
 1 , 2 , 3 , 4 , 5 , 6 , 7 , 10 , 13
Completed: alter database recover datafile list
 1 , 2 , 3 , 4 , 5 , 6 , 7 , 10 , 13
alter database recover if needed
 start
Media Recovery Start
Serial Media Recovery started
Recovery of Online Redo Log: Thread 1 Group 5 Seq 15 Reading mem 0
  Mem# 0: /dsk1/oradata/test1/redo05a.log
Sat Sep 20 16:06:51 2014
Media Recovery Complete (test1)
Completed: alter database recover if needed
 start

打开数据库删除此表空间：

 16:04:42 SYS@ test1 >conn /as sysdba;
Connected.
16:10:10 SYS@ test1 >alter database open;
Database altered.
Elapsed: 00:00:21.63
16:10:54 SYS@ test1 >select name from v$datafile;
NAME
--------------------------------------------------
/u01/app/oracle/oradata/test1/system01.dbf
/u01/app/oracle/oradata/test1/sysaux01.dbf
/u01/app/oracle/oradata/test1/test1.dbf
/u01/app/oracle/oradata/test1/users01.dbf
/u01/app/oracle/oradata/test1/perfs.dbf
/u01/app/oracle/oradata/test1/dict1.dbf
/u01/app/oracle/oradata/test1/undotbs2.dbf
/u01/app/oracle/product/11.2.0/db_1/dbs/UNNAMED000
08
/u01/app/oracle/oradata/test1/index01.dbf
/u01/app/oracle/oradata/test1/tbs_16.dbf
10 rows selected.

16:11:10 SYS@ test1 >drop tablespace tbs2 including contents and datafiles;
Tablespace dropped.

16:11:32 SYS@ test1 >select name from v$datafile;
NAME
--------------------------------------------------
/u01/app/oracle/oradata/test1/system01.dbf
/u01/app/oracle/oradata/test1/sysaux01.dbf
/u01/app/oracle/oradata/test1/test1.dbf
/u01/app/oracle/oradata/test1/users01.dbf
/u01/app/oracle/oradata/test1/perfs.dbf
/u01/app/oracle/oradata/test1/dict1.dbf
/u01/app/oracle/oradata/test1/undotbs2.dbf
/u01/app/oracle/oradata/test1/index01.dbf
/u01/app/oracle/oradata/test1/tbs_16.dbf
9 rows selected.

对数据库做重新做全备，再次做数据恢复！

恢复过程又出错：

RMAN> run {
2> shutdown immediate;
3> startup mount;
4> set until time '2014-09-20 16:19:30';
5> restore database;
6> recover database;
7> alter database open resetlogs;
8> }
database closed
database dismounted
Oracle instance shut down
connected to target database (not started)
Oracle instance started
database mounted
Total System Global Area     175767552 bytes
Fixed Size                     1335276 bytes
Variable Size                142606356 bytes
Database Buffers              29360128 bytes
Redo Buffers                   2465792 bytes
executing command: SET until clause
Starting restore at 20-SEP-14
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=18 device type=DISK
flashing back control file to SCN 9603237
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of restore command at 09/20/2014 16:21:46
RMAN-06085: must use SET NEWNAME command to restore datafile /u01/app/oracle/product/11.2.0/db_1/dbs/UNNAMED00008

查看备份信息：

RMAN> list backup;
List of Backup Sets
===================
BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
233     Full    164.45M    DISK        00:01:04     20-SEP-14      
        BP Key: 233   Status: AVAILABLE  Compressed: NO  Tag: TAG20140920T161544
        Piece Name: /dsk1/backup/test1/TEST1_244.bak
  List of Datafiles in backup set 233
  File LV Type Ckp SCN    Ckp Time  Name
  ---- -- ---- ---------- --------- ----
  2       Full 9603220    20-SEP-14 /u01/app/oracle/oradata/test1/sysaux01.dbf
  5       Full 9603220    20-SEP-14 /u01/app/oracle/oradata/test1/perfs.dbf
  7       Full 9603220    20-SEP-14 /u01/app/oracle/oradata/test1/undotbs2.dbf
  10      Full 9603220    20-SEP-14 /u01/app/oracle/oradata/test1/index01.dbf
BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
234     Full    1.06M      DISK        00:00:02     20-SEP-14      
        BP Key: 234   Status: AVAILABLE  Compressed: NO  Tag: TAG20140920T161544
        Piece Name: /dsk1/backup/test1/TEST1_245.bak
  List of Datafiles in backup set 234
  File LV Type Ckp SCN    Ckp Time  Name
  ---- -- ---- ---------- --------- ----
  13      Full 9603220    20-SEP-14 /u01/app/oracle/oradata/test1/tbs_16.dbf
BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
235     Full    613.10M    DISK        00:01:28     20-SEP-14      
        BP Key: 235   Status: AVAILABLE  Compressed: NO  Tag: TAG20140920T161544
        Piece Name: /dsk1/backup/test1/TEST1_243.bak
  List of Datafiles in backup set 235
  File LV Type Ckp SCN    Ckp Time  Name
  ---- -- ---- ---------- --------- ----
  1       Full 9603220    20-SEP-14 /u01/app/oracle/oradata/test1/system01.dbf
  3       Full 9603220    20-SEP-14 /u01/app/oracle/oradata/test1/test1.dbf
  4       Full 9603220    20-SEP-14 /u01/app/oracle/oradata/test1/users01.dbf
  6       Full 9603220    20-SEP-14 /u01/app/oracle/oradata/test1/dict1.dbf
BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
236     Full    11.33M     DISK        00:00:05     20-SEP-14      
        BP Key: 236   Status: AVAILABLE  Compressed: NO  Tag: TAG20140920T161714
        Piece Name: /dsk4/backup/TEST1/autobackup/2014_09_20/o1_mf_s_858788041_b1tg0gds_.bkp
  SPFILE Included: Modification time: 03-SEP-14
  SPFILE db_unique_name: TEST1
  Control File Included: Ckp SCN: 9603237      Ckp time: 20-SEP-14

restore controlfile：

RMAN> list backup of controlfile;
List of Backup Sets
===================
BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
236     Full    11.33M     DISK        00:00:05     20-SEP-14      
        BP Key: 236   Status: AVAILABLE  Compressed: NO  Tag: TAG20140920T161714
        Piece Name: /dsk4/backup/TEST1/autobackup/2014_09_20/o1_mf_s_858788041_b1tg0gds_.bkp
  Control File Included: Ckp SCN: 9603237      Ckp time: 20-SEP-14
  
RMAN> shutdown immediate;
database dismounted
Oracle instance shut down
RMAN> startup nomount;
connected to target database (not started)
Oracle instance started
Total System Global Area     175767552 bytes
Fixed Size                     1335276 bytes
Variable Size                142606356 bytes
Database Buffers              29360128 bytes
Redo Buffers                   2465792 bytes

RMAN> restore controlfile from autobackup;
Starting restore at 20-SEP-14
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=19 device type=DISK
recovery area destination: /dsk4/backup
database name (or database unique name) used for search: TEST1
channel ORA_DISK_1: AUTOBACKUP /dsk4/backup/TEST1/autobackup/2014_09_20/o1_mf_s_858788041_b1tg0gds_.bkp found in the recovery area
channel ORA_DISK_1: looking for AUTOBACKUP on day: 20140920
channel ORA_DISK_1: restoring control file from AUTOBACKUP /dsk4/backup/TEST1/autobackup/2014_09_20/o1_mf_s_858788041_b1tg0gds_.bkp
channel ORA_DISK_1: control file restore from AUTOBACKUP complete
output file name=/u01/app/oracle/oradata/test1/control01.ctl
output file name=/dsk1/oradata/test1/control02.ctl
output file name=/dsk2/oradata/test1/control03.ctl
Finished restore at 20-SEP-14

重新做恢复：

RMAN> run {
2>  shutdown immediate;
3>  startup mount;
4>  set until time '2014-09-20 16:19:30';
5>  restore database;
6>  recover database;
7>  alter database open resetlogs;
8>  }

Oracle instance shut down
connected to target database (not started)
Oracle instance started
database mounted
Total System Global Area     175767552 bytes
Fixed Size                     1335276 bytes
Variable Size                142606356 bytes
Database Buffers              29360128 bytes
Redo Buffers                   2465792 bytes
executing command: SET until clause
Starting restore at 20-SEP-14
Starting implicit crosscheck backup at 20-SEP-14
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=18 device type=DISK
Crosschecked 3 objects
Finished implicit crosscheck backup at 20-SEP-14
Starting implicit crosscheck copy at 20-SEP-14
using channel ORA_DISK_1
Finished implicit crosscheck copy at 20-SEP-14
searching for all files in the recovery area
cataloging files...
cataloging done
List of Cataloged Files
=======================
File Name: /dsk4/backup/TEST1/autobackup/2014_09_20/o1_mf_s_858788041_b1tg0gds_.bkp
File Name: /dsk4/backup/TEST1/autobackup/2014_09_14/o1_mf_s_858262943_b1bf156d_.bkp
File Name: /dsk4/backup/TEST1/autobackup/2014_09_14/o1_mf_s_858259416_b1b9lv2j_.bkp
File Name: /dsk4/backup/TEST1/autobackup/2014_09_14/o1_mf_s_858261087_b1bc76lg_.bkp
File Name: /dsk4/backup/TEST1/autobackup/2014_09_14/o1_mf_s_858260002_b1bb58sq_.bkp
File Name: /dsk4/backup/TEST1/autobackup/2013_11_10/o1_mf_s_831135549_97ycp30c_.bkp
File Name: /dsk4/backup/TEST1/autobackup/2013_11_10/o1_mf_s_831134795_97yc0vk0_.bkp
File Name: /dsk4/backup/TEST1/autobackup/2013_11_10/o1_mf_s_831136532_97ydnsbl_.bkp
File Name: /dsk4/backup/TEST1/autobackup/2013_11_10/o1_mf_s_831135962_97yd2z3r_.bkp
using channel ORA_DISK_1
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 00002 to /u01/app/oracle/oradata/test1/sysaux01.dbf
channel ORA_DISK_1: restoring datafile 00005 to /u01/app/oracle/oradata/test1/perfs.dbf
channel ORA_DISK_1: restoring datafile 00007 to /u01/app/oracle/oradata/test1/undotbs2.dbf
channel ORA_DISK_1: restoring datafile 00010 to /u01/app/oracle/oradata/test1/index01.dbf
channel ORA_DISK_1: reading from backup piece /dsk1/backup/test1/TEST1_244.bak
channel ORA_DISK_1: piece handle=/dsk1/backup/test1/TEST1_244.bak tag=TAG20140920T161544
channel ORA_DISK_1: restored backup piece 1
channel ORA_DISK_1: restore complete, elapsed time: 00:00:25
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 00013 to /u01/app/oracle/oradata/test1/tbs_16.dbf
channel ORA_DISK_1: reading from backup piece /dsk1/backup/test1/TEST1_245.bak
channel ORA_DISK_1: piece handle=/dsk1/backup/test1/TEST1_245.bak tag=TAG20140920T161544
channel ORA_DISK_1: restored backup piece 1
channel ORA_DISK_1: restore complete, elapsed time: 00:00:01
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 00001 to /u01/app/oracle/oradata/test1/system01.dbf
channel ORA_DISK_1: restoring datafile 00003 to /u01/app/oracle/oradata/test1/test1.dbf
channel ORA_DISK_1: restoring datafile 00004 to /u01/app/oracle/oradata/test1/users01.dbf
channel ORA_DISK_1: restoring datafile 00006 to /u01/app/oracle/oradata/test1/dict1.dbf
channel ORA_DISK_1: reading from backup piece /dsk1/backup/test1/TEST1_243.bak
channel ORA_DISK_1: piece handle=/dsk1/backup/test1/TEST1_243.bak tag=TAG20140920T161544
channel ORA_DISK_1: restored backup piece 1
channel ORA_DISK_1: restore complete, elapsed time: 00:00:55
Finished restore at 20-SEP-14
Starting recover at 20-SEP-14
using channel ORA_DISK_1
starting media recovery
archived log for thread 1 with sequence 17 is already on disk as file /dsk1/oradata/test1/redo04a.log
archived log for thread 1 with sequence 18 is already on disk as file /dsk1/oradata/test1/redo05a.log
archived log file name=/dsk1/oradata/test1/redo04a.log thread=1 sequence=17
archived log file name=/dsk1/oradata/test1/redo05a.log thread=1 sequence=18
media recovery complete, elapsed time: 00:00:08
Finished recover at 20-SEP-14
Starting recover at 20-SEP-14
using channel ORA_DISK_1
starting media recovery
archived log for thread 1 with sequence 17 is already on disk as file /dsk1/oradata/test1/redo04a.log
archived log for thread 1 with sequence 18 is already on disk as file /dsk1/oradata/test1/redo05a.log
archived log file name=/dsk1/oradata/test1/redo04a.log thread=1 sequence=17
archived log file name=/dsk1/oradata/test1/redo05a.log thread=1 sequence=18
media recovery complete, elapsed time: 00:00:08
Finished recover at 20-SEP-14
database opened

@至此，不完全恢复成功！

相关标签： RMAN 恢复案例不完全错误 RMAN 恢复案例不

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