Oracle 11g RAN恢复-表空间在只读时做了数据库的备份
场景描述：
表空间在只读时做了数据库的备份（备份A），做了控制文件的备份（备份B），而后表空间变为read/write状态，表空间数据文件和控制文件都损坏
此时需要用备份B来还原控制文件，使用备份A来还原数据文件。
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--0. 场景模拟 --0.1 修改表空间mynewts进入read only状态 sys@TESTDB11>alter tablespace mynewts read only;
Tablespace altered.
--0.2 删除原有备份,进行全库非一致性备份 RMAN> backup database;
Starting backup at 15-AUG-13 using channel ORA_DISK_1 using channel ORA_DISK_2 channel ORA_DISK_1: starting full datafile backup set channel ORA_DISK_1: specifying datafile(s) in backup set input datafile file number=00001 name=/oradata/system01.dbf input datafile file number=00003 name=/oradata/undotbs01.dbf input datafile file number=00008 name=/oradata/users02.dbf input datafile file number=00009 name=/oradata/mynewts01.dbf input datafile file number=00007 name=/oradata/fbtbs01.dbf channel ORA_DISK_1: starting piece 1 at 15-AUG-13 channel ORA_DISK_2: starting full datafile backup set channel ORA_DISK_2: specifying datafile(s) in backup set input datafile file number=00002 name=/oradata/sysaux01.dbf input datafile file number=00005 name=/oradata/example01.dbf input datafile file number=00006 name=/oradata/newts01.dbf input datafile file number=00004 name=/oradata/users01.dbf channel ORA_DISK_2: starting piece 1 at 15-AUG-13 channel ORA_DISK_1: finished piece 1 at 15-AUG-13 piece handle=/pooldisk02/backup03/4hohbfcm_1_1 tag=TAG20130815T081933 comment=NONE channel ORA_DISK_1: backup set complete, elapsed time: 00:01:05 channel ORA_DISK_2: finished piece 1 at 15-AUG-13 piece handle=/pooldisk02/backup04/4iohbfcm_1_1 tag=TAG20130815T081933 comment=NONE channel ORA_DISK_2: backup set complete, elapsed time: 00:01:35 Finished backup at 15-AUG-13
Starting Control File and SPFILE Autobackup at 15-AUG-13 piece handle=/u01/app/oracle/fast_recovery_area/TESTDB11/autobackup/2013_08_15/o1_mf_s_823508469_90sog6kp_.bkp comment=NONE Finished Control File and SPFILE Autobackup at 15-AUG-13 --0.3 单独备份控制文件，将它的备份片的信息拷贝出来 --piece handle=/u01/app/oracle/fast_recovery_area/TESTDB11/autobackup/2013_08_15/o1_mf_s_823508484_90sogo3t_.bkp comment=NONE RMAN> backup current controlfile;
Starting backup at 15-AUG-13 using channel ORA_DISK_1 using channel ORA_DISK_2 channel ORA_DISK_1: starting full datafile backup set channel ORA_DISK_1: specifying datafile(s) in backup set including current control file in backup set channel ORA_DISK_1: starting piece 1 at 15-AUG-13 channel ORA_DISK_1: finished piece 1 at 15-AUG-13 piece handle=/pooldisk02/backup03/4kohbfg2_1_1 tag=TAG20130815T082122 comment=NONE channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01 Finished backup at 15-AUG-13
Starting Control File and SPFILE Autobackup at 15-AUG-13 piece handle=/u01/app/oracle/fast_recovery_area/TESTDB11/autobackup/2013_08_15/o1_mf_s_823508484_90sogo3t_.bkp comment=NONE Finished Control File and SPFILE Autobackup at 15-AUG-13
--0.4 将表改为read/write sys@TESTDB11>alter tablespace mynewts read write;
Tablespace altered. --0.5 做些数据的修改 scott@TESTDB11>select * from tab_mynewts;
DEPTNO DNAME LOC ---------- -------------- ------------- 10 ACCOUNTING NEW YORK 20 RESEARCH DALLAS 30 DNameC CHICAGO scott@TESTDB11>delete from tab_mynewts where deptno = 30;
1 row deleted. scott@TESTDB11>commit;
Commit complete.
--0.6 关库，控制文件和数据文件丢失（注意控制文件是2个) sys@TESTDB11>shutdown abort; ORACLE instance shut down. [oracle@S1011:/export/home/oracle]$ rm /oradata/mynewts01.dbf [oracle@S1011:/export/home/oracle]$ rm /u01/app/oracle/oradata/TestDB11/control01.ctl [oracle@S1011:/u01/app/oracle/fast_recovery_area/TestDB11]$ rm /u01/app/oracle/fast_recovery_area/TestDB11/control02.ctl
--0.7 rman恢复之前先打开预警日志 [oracle@S1011:/u01/app/oracle/diag/rdbms/testdb11/TestDB11/trace]$ tail -f alert_TestDB11.log
--1. 尝试按原来方法用rman解决问题,即只进行一次恢复 RMAN> run { 2> startup nomount; --1.1 启动到nomount状态 --从备份还原数据文件 3> restore controlfile from '/u01/app/oracle/fast_recovery_area/TESTDB11/autobackup/2013_08_15/o1_mf_s_823508484_90sogo3t_.bkp'; 4> mount database; --1.2 启动到mount状态 5> restore database; --1.3 还原 6> recover database; --1.4 恢复 7> sql 'alter database open resetlogs'; --1.5开库 8> }
Oracle instance started
Total System Global Area 855982080 bytes
Fixed Size 2230792 bytes Variable Size 742393336 bytes Database Buffers 109051904 bytes Redo Buffers 2306048 bytes
Starting restore at 15-AUG-13 using target database control file instead of recovery catalog allocated channel: ORA_DISK_1 channel ORA_DISK_1: SID=18 device type=DISK
channel ORA_DISK_1: restoring control file channel ORA_DISK_1: restore complete, elapsed time: 00:00:01 output file name=/u01/app/oracle/oradata/TestDB11/control01.ctl output file name=/u01/app/oracle/fast_recovery_area/TestDB11/control02.ctl Finished restore at 15-AUG-13
database mounted released channel: ORA_DISK_1
Starting restore at 15-AUG-13 Starting implicit crosscheck backup at 15-AUG-13 allocated channel: ORA_DISK_1 channel ORA_DISK_1: SID=18 device type=DISK allocated channel: ORA_DISK_2 channel ORA_DISK_2: SID=19 device type=DISK Crosschecked 4 objects Finished implicit crosscheck backup at 15-AUG-13
Starting implicit crosscheck copy at 15-AUG-13 using channel ORA_DISK_1 using channel ORA_DISK_2 Finished implicit crosscheck copy at 15-AUG-13
searching for all files in the recovery area cataloging files... cataloging done
List of Cataloged Files ======================= File Name: /u01/app/oracle/fast_recovery_area/TESTDB11/autobackup/2013_08_14/o1_mf_s_823462563_90r8mmsm_.bkp File Name: /u01/app/oracle/fast_recovery_area/TESTDB11/autobackup/2013_08_14/o1_mf_s_823460342_90r6g6dq_.bkp File Name: /u01/app/oracle/fast_recovery_area/TESTDB11/autobackup/2013_08_15/o1_mf_s_823508484_90sogo3t_.bkp
using channel ORA_DISK_1 using channel ORA_DISK_2
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 /oradata/system01.dbf channel ORA_DISK_1: restoring datafile 00003 to /oradata/undotbs01.dbf channel ORA_DISK_1: restoring datafile 00007 to /oradata/fbtbs01.dbf channel ORA_DISK_1: restoring datafile 00008 to /oradata/users02.dbf channel ORA_DISK_1: restoring datafile 00009 to /oradata/mynewts01.dbf channel ORA_DISK_1: reading from backup piece /pooldisk02/backup03/4hohbfcm_1_1 channel ORA_DISK_2: starting datafile backup set restore channel ORA_DISK_2: specifying datafile(s) to restore from backup set channel ORA_DISK_2: restoring datafile 00002 to /oradata/sysaux01.dbf channel ORA_DISK_2: restoring datafile 00004 to /oradata/users01.dbf channel ORA_DISK_2: restoring datafile 00005 to /oradata/example01.dbf channel ORA_DISK_2: restoring datafile 00006 to /oradata/newts01.dbf channel ORA_DISK_2: reading from backup piece /pooldisk02/backup04/4iohbfcm_1_1 channel ORA_DISK_2: piece handle=/pooldisk02/backup04/4iohbfcm_1_1 tag=TAG20130815T081933 channel ORA_DISK_2: restored backup piece 1 channel ORA_DISK_2: restore complete, elapsed time: 00:02:05 channel ORA_DISK_1: piece handle=/pooldisk02/backup03/4hohbfcm_1_1 tag=TAG20130815T081933 channel ORA_DISK_1: restored backup piece 1 channel ORA_DISK_1: restore complete, elapsed time: 00:02:25 Finished restore at 15-AUG-13
Starting recover at 15-AUG-13 using channel ORA_DISK_1 using channel ORA_DISK_2 datafile 9 not processed because file is read-only
starting media recovery
archived log for thread 1 with sequence 1 is already on disk as file /u01/app/oracle/oradata/TestDB11/redo01.log archived log file name=/u01/app/oracle/oradata/TestDB11/redo01.log thread=1 sequence=1 Oracle Error: ORA-01547: warning: RECOVER succeeded but OPEN RESETLOGS would get error below ORA-01152: file 9 was not restored from a sufficiently old backup ORA-01110: data file 9: '/oradata/mynewts01.dbf'
media recovery complete, elapsed time: 00:00:02 Finished recover at 15-AUG-13
sql statement: alter database open resetlogs RMAN-00571: =========================================================== RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS =============== RMAN-00571: =========================================================== RMAN-03009: failure of sql command on default channel at 08/15/2013 09:07:00 RMAN-11003: failure during parse/execution of SQL statement: alter database open resetlogs ORA-01152: file 9 was not restored from a sufficiently old backup ORA-01110: data file 9: '/oradata/mynewts01.dbf'
--2. 出错,此时查看数据文件中的检查点的信息,发现只有mynewts01的比较老 idle>col name for a50 idle>select name, checkpoint_change# from v$datafile_header;
NAME CHECKPOINT_CHANGE# -------------------------------------------------- ------------------ /oradata/system01.dbf 2817855 /oradata/sysaux01.dbf 2817855 /oradata/undotbs01.dbf 2817855 /oradata/users01.dbf 2817855 /oradata/example01.dbf 2817855 /oradata/newts01.dbf 2817855 /oradata/fbtbs01.dbf 2817855 /oradata/users02.dbf 2817855 /oradata/mynewts01.dbf 2817092
9 rows selected.
--3. 再次进行恢复 RMAN> run { 2> recover database; 3> sql 'alter database open resetlogs'; 4> }
Starting recover at 15-AUG-13 using channel ORA_DISK_1 using channel ORA_DISK_2
starting media recovery
archived log for thread 1 with sequence 1 is already on disk as file /u01/app/oracle/oradata/TestDB11/redo01.log archived log file name=/u01/app/oracle/oradata/TestDB11/redo01.log thread=1 sequence=1 media recovery complete, elapsed time: 00:00:00 Finished recover at 15-AUG-13
sql statement: alter database open resetlogs --4. 验证数据 scott@TESTDB11>select * from tab_mynewts;
DEPTNO DNAME LOC ---------- -------------- ------------- 10 ACCOUNTING NEW YORK 20 RESEARCH DALLAS
--5. 删除之前的备份，重新进行备份 |
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