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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@rh7 ~]$ 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!
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