控制文件恢复：
[[email protected] ~]$ sqlplus / as sysdba
SQL*Plus: Release 10.2.0.5.0 - Production on Thu Nov 6 10:35:08 2014
Copyright (c) 1982, 2010, Oracle. All Rights Reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production
With the Partitioning, Oracle Label Security, OLAP, Data Mining Scoring Engine
and Real Application Testing options
SQL> alter system set control_files=‘/u01/oracle/oradata/jadl10g/control01.ctl‘,‘/u01/oracle/flash_recovery_area/jadl10g/control02.ctl‘ scope=spfile;
System altered.
SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> ho cp /u01/oracle/oradata/jadl10g/control02.ctl /u01/oracle/flash_recovery_area/jadl10g/control02.ctl
SQL> startup
ORACLE instance started.
Total System Global Area 599785472 bytes
Fixed Size 2098112 bytes
Variable Size 163580992 bytes
Database Buffers 427819008 bytes
Redo Buffers 6287360 bytes
Database mounted.
Database opened.
SQL> select name from v$controlfile;
NAME
--------------------------------------------------------------------------------
/u01/oracle/oradata/jadl10g/control01.ctl
/u01/oracle/flash_recovery_area/jadl10g/control02.ctl
进入rman确定存在控制文件的备份集：
RMAN> list backup of controlfile;
List of Backup Sets
===================
BS Key Type LV Size Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
6 Full 6.80M DISK 00:00:01 06-NOV-14
BP Key: 6 Status: AVAILABLE Compressed: NO Tag: TAG20141106T103719
Piece Name: /u01/oracle/flash_recovery_area/JADL10G/backupset/2014_11_06/o1_mf_ncsnf_TAG20141106T103719_b5oqr4bc_.bkp
Control File Included: Ckp SCN: 457789 Ckp time: 06-NOV-14
1.部分丢失：
[[email protected] ~]$ rm /u01/oracle/oradata/jadl10g/control01.ctl
[[email protected] ~]$ rman target /
Recovery Manager: Release 10.2.0.5.0 - Production on Thu Nov 6 10:39:42 2014
Copyright (c) 1982, 2007, Oracle. All rights reserved.
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-00554: initialization of internal recovery manager package failed
RMAN-06003: ORACLE error from target database:
ORA-00210: cannot open the specified control file
ORA-00202: control file: ‘/u01/oracle/oradata/jadl10g/control01.ctl‘
ORA-27041: unable to open file
Linux-x86_64 Error: 2: No such file or directory
Additional information: 3
rman的备份信息是记录在控制文件中的，连接到rman时会报错的。但是可以连接到sqlplus。
能执行的操作是查询等，不涉及控制文件的变化，涉及控制文件的变化就会出错。
[[email protected] ~]$ sqlplus / as sysdba
SQL*Plus: Release 10.2.0.5.0 - Production on Thu Nov 6 10:43:43 2014
Copyright (c) 1982, 2010, Oracle. All Rights Reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production
With the Partitioning, Oracle Label Security, OLAP, Data Mining Scoring Engine
and Real Application Testing options
SQL> conn scott/tiger
Connected.
SQL> select * from dept;
DEPTNO DNAME LOC
---------- -------------- -------------
10 ACCOUNTING NEW YORK
20 RESEARCH DALLAS
30 SALES CHICAGO
40 OPERATIONS BOSTON
此时不能一致性关闭数据库(shutdown immediate)，是不能触发ckpt的，所以只能是shutdown abort;
SQL> shutdown immediate
ORA-00210: cannot open the specified control file
ORA-00202: control file: ‘/u01/oracle/oradata/jadl10g/control01.ctl‘
ORA-27041: unable to open file
Linux-x86_64 Error: 2: No such file or directory
Additional information: 3
SQL> shutdown abort
ORACLE instance shut down.
部分性丢失拷贝存在的为丢失的文件，不需要rman做恢复：
[[email protected] ~]$ cp /u01/oracle/flash_recovery_area/jadl10g/control02.ctl /u01/oracle/oradata/jadl10g/control01.ctl
[[email protected] ~]$ sqlplus / as sysdba
SQL*Plus: Release 10.2.0.5.0 - Production on Thu Nov 6 10:47:13 2014
Copyright (c) 1982, 2010, Oracle. All Rights Reserved.
Connected to an idle instance.
SQL> startup
ORACLE instance started.
Total System Global Area 599785472 bytes
Fixed Size 2098112 bytes
Variable Size 163580992 bytes
Database Buffers 427819008 bytes
Redo Buffers 6287360 bytes
Database mounted.
Database opened.
2.全部丢失
删除所有的控制文件：
[[email protected] ~]$ rm /u01/oracle/oradata/jadl10g/control01.ctl
[[email protected] ~]$ rm /u01/oracle/flash_recovery_area/jadl10g/control02.ctl
[[email protected] ~]$ sqlplus / as sysdba
SQL*Plus: Release 10.2.0.5.0 - Production on Thu Nov 6 10:50:22 2014
Copyright (c) 1982, 2010, Oracle. All Rights Reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production
With the Partitioning, Oracle Label Security, OLAP, Data Mining Scoring Engine
and Real Application Testing options
SQL> shutdown immediate ---不能一致性关闭数据库
ORA-00210: cannot open the specified control file
ORA-00202: control file: ‘/u01/oracle/oradata/jadl10g/control01.ctl‘
ORA-27041: unable to open file
Linux-x86_64 Error: 2: No such file or directory
Additional information: 3
SQL> shutdown abort ---只能这样关闭数据库
ORACLE instance shut down.
连接到rman：
[[email protected] ~]$ rman target /
Recovery Manager: Release 10.2.0.5.0 - Production on Thu Nov 6 10:52:18 2014
Copyright (c) 1982, 2007, Oracle. All rights reserved.
connected to target database (not started)
RMAN> startup nomount --启动数据库到nomount阶段
Oracle instance started
Total System Global Area 599785472 bytes
Fixed Size 2098112 bytes
Variable Size 163580992 bytes
Database Buffers 427819008 bytes
Redo Buffers 6287360 bytes
RMAN> restore controlfile from autobackup; ---该命令只能在打开了自动备份的情况下执行；
Starting restore at 06-NOV-14
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=156 devtype=DISK
recovery area destination: /u01/oracle/flash_recovery_area
database name (or database unique name) used for search: JADL10G
channel ORA_DISK_1: no autobackups found in the recovery area
autobackup search outside recovery area not attempted because DBID was not set
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of restore command at 11/06/2014 10:52:59
RMAN-06172: no autobackup found or specified handle is not a valid copy or piece
---出错是由于没有打开自动备份
RMAN> exit
Recovery Manager complete.
找到文件的备份集：
[[email protected] ~]$ ls /u01/oracle/flash_recovery_area/JADL10G/backupset/
2014_11_05 2014_11_06
[[email protected] ~]$ ls /u01/oracle/flash_recovery_area/JADL10G/backupset/2014_11_06
o1_mf_annnn_BACKUP_JADL10G_000_1_b5nlkxph_.bkp
o1_mf_ncnnf_TAG20141106T013740_b5nr3599_.bkp
o1_mf_ncsnf_BACKUP_JADL10G_000_1_b5nlkr13_.bkp
o1_mf_ncsnf_TAG20141106T001636_b5nmdmv8_.bkp
o1_mf_ncsnf_TAG20141106T021509_b5ntbwdp_.bkp
o1_mf_ncsnf_TAG20141106T052124_b5o59df8_.bkp
o1_mf_ncsnf_TAG20141106T103719_b5oqr4bc_.bkp
o1_mf_nnndf_BACKUP_JADL10G_000_1_b5nljc9p_.bkp
o1_mf_nnndf_TAG20141106T001636_b5nmc58w_.bkp
o1_mf_nnndf_TAG20141106T021509_b5nt9fsr_.bkp
o1_mf_nnndf_TAG20141106T052124_b5o56ok0_.bkp
o1_mf_nnndf_TAG20141106T103719_b5oqpzy9_.bkp
[[email protected] ~]$ rman target /
Recovery Manager: Release 10.2.0.5.0 - Production on Thu Nov 6 10:56:40 2014
Copyright (c) 1982, 2007, Oracle. All rights reserved.
connected to target database: jadl10g (not mounted)
----也可以采用如下的命令执行恢复，注意此路径的中备份必须存在，是ncsnf开头的。
RMAN> restore controlfile from ‘/u01/oracle/flash_recovery_area/JADL10G/backupset/2014_11_06/o1_mf_ncsnf_TAG20141106T103719_b5oqr4bc_.bkp‘;
Starting restore at 06-NOV-14
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=159 devtype=DISK
channel ORA_DISK_1: restoring control file
channel ORA_DISK_1: restore complete, elapsed time: 00:00:02
output filename=/u01/oracle/oradata/jadl10g/control01.ctl
output filename=/u01/oracle/flash_recovery_area/jadl10g/control02.ctl
Finished restore at 06-NOV-14
RMAN> alter database mount; --启动到mount
database mounted
released channel: ORA_DISK_1
RMAN> recover database; --恢复数据库
Starting recover at 06-NOV-14
Starting implicit crosscheck backup at 06-NOV-14
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=159 devtype=DISK
Crosschecked 1 objects
Finished implicit crosscheck backup at 06-NOV-14
Starting implicit crosscheck copy at 06-NOV-14
using channel ORA_DISK_1
Finished implicit crosscheck copy at 06-NOV-14
searching for all files in the recovery area
cataloging files...
cataloging done
List of Cataloged Files
=======================
File Name: /u01/oracle/flash_recovery_area/JADL10G/backupset/2014_11_06/o1_mf_ncsnf_TAG20141106T103719_b5oqr4bc_.bkp
File Name: /u01/oracle/flash_recovery_area/JADL10G/archivelog/2014_11_06/o1_mf_1_31_b5or9wnr_.arc
using channel ORA_DISK_1
starting media recovery
archive log thread 1 sequence 31 is already on disk as file /u01/oracle/flash_recovery_area/JADL10G/archivelog/2014_11_06/o1_mf_1_31_b5or9wnr_.arc
archive log thread 1 sequence 32 is already on disk as file /u01/oracle/oradata/jadl10g/redo02.log
archive log filename=/u01/oracle/flash_recovery_area/JADL10G/archivelog/2014_11_06/o1_mf_1_31_b5or9wnr_.arc thread=1 sequence=31
archive log filename=/u01/oracle/oradata/jadl10g/redo02.log thread=1 sequence=32
media recovery complete, elapsed time: 00:00:03
Finished recover at 06-NOV-14
RMAN> alter database open resetlogs; ---执行该命令后，需要重新备份数据库，之前的备份无效了。
database opened
RMAN> backup database;
Starting backup at 06-NOV-14
using channel ORA_DISK_1
channel ORA_DISK_1: starting full datafile backupset
channel ORA_DISK_1: specifying datafile(s) in backupset
input datafile fno=00001 name=/u01/oracle/oradata/jadl10g/system01.dbf
input datafile fno=00003 name=/u01/oracle/oradata/jadl10g/sysaux01.dbf
input datafile fno=00005 name=/u01/oracle/oradata/jadl10g/example01.dbf
input datafile fno=00002 name=/u01/oracle/oradata/jadl10g/undotbs01.dbf
input datafile fno=00004 name=/u01/oracle/oradata/jadl10g/users01.dbf
channel ORA_DISK_1: starting piece 1 at 06-NOV-14
channel ORA_DISK_1: finished piece 1 at 06-NOV-14
piece handle=/u01/oracle/flash_recovery_area/JADL10G/backupset/2014_11_06/o1_mf_nnndf_TAG20141106T110014_b5os1yxq_.bkp tag=TAG20141106T110014 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:35
channel ORA_DISK_1: starting full datafile backupset
channel ORA_DISK_1: specifying datafile(s) in backupset
including current control file in backupset
including current SPFILE in backupset
channel ORA_DISK_1: starting piece 1 at 06-NOV-14
channel ORA_DISK_1: finished piece 1 at 06-NOV-14
piece handle=/u01/oracle/flash_recovery_area/JADL10G/backupset/2014_11_06/o1_mf_ncsnf_TAG20141106T110014_b5os338z_.bkp tag=TAG20141106T110014 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:03
Finished backup at 06-NOV-14
3.控制文件丢失，日志文件也丢失，采用重建控制文件脚本的方法来恢复
[[email protected] ~]$ sqlplus / as sysdba
SQL*Plus: Release 10.2.0.5.0 - Production on Thu Nov 6 12:48:14 2014
Copyright (c) 1982, 2010, Oracle. All Rights Reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production
With the Partitioning, Oracle Label Security, OLAP, Data Mining Scoring Engine
and Real Application Testing options
SQL> create table scott.c1 as select * from scott.dept;
Table created.
SQL> alter system switch logfile;
System altered.
SQL> archive log list;
Database log mode Archive Mode
Automatic archival Enabled
Archive destination USE_DB_RECOVERY_FILE_DEST
Oldest online log sequence 2
Next log sequence to archive 4
Current log sequence 4
SQL> create table scott.c2 as select * from scott.dept;
Table created.
SQL> alter system switch logfile;
System altered.
SQL> archive log list;
Database log mode Archive Mode
Automatic archival Enabled
Archive destination USE_DB_RECOVERY_FILE_DEST
Oldest online log sequence 3
Next log sequence to archive 5
Current log sequence 5
SQL> create table scott.c3 as select * from scott.dept;
Table created.
SQL> alter system switch logfile;
System altered.
SQL> archive log list;
Database log mode Archive Mode
Automatic archival Enabled
Archive destination USE_DB_RECOVERY_FILE_DEST
Oldest online log sequence 4
Next log sequence to archive 6
Current log sequence 6
SQL> exit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production
With the Partitioning, Oracle Label Security, OLAP, Data Mining Scoring Engine
and Real Application Testing options
[[email protected] ~]$ ls /u01/oracle/flash_recovery_area/JADL10G/archivelog/2014_11_06/
o1_mf_1_2_b5oydkr2_.arc o1_mf_1_4_b5ozhtq5_.arc
o1_mf_1_3_b5ozgwpw_.arc o1_mf_1_5_b5ozjrrr_.arc
[[email protected] ~]$ rm /u01/oracle/flash_recovery_area/JADL10G/archivelog/2014_11_06/o1_mf_1_4_b5ozhtq5_.arc
[[email protected] ~]$ rm /u01/oracle/oradata/jadl10g/control01.ctl
[[email protected] ~]$ rm /u01/oracle/flash_recovery_area/jadl10g/control02.ctl
[[email protected] ~]$ rman target /
Recovery Manager: Release 10.2.0.5.0 - Production on Thu Nov 6 12:55:01 2014
Copyright (c) 1982, 2007, Oracle. All rights reserved.
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-00554: initialization of internal recovery manager package failed
RMAN-06003: ORACLE error from target database:
ORA-00210: cannot open the specified control file
ORA-00202: control file: ‘/u01/oracle/oradata/jadl10g/control01.ctl‘
ORA-27041: unable to open file
Linux-x86_64 Error: 2: No such file or directory
Additional information: 3
[[email protected] ~]$ sqlplus / as sysdba
SQL*Plus: Release 10.2.0.5.0 - Production on Thu Nov 6 12:55:16 2014
Copyright (c) 1982, 2010, Oracle. All Rights Reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production
With the Partitioning, Oracle Label Security, OLAP, Data Mining Scoring Engine
and Real Application Testing options
SQL> shutdown immediate
ORA-00210: cannot open the specified control file
ORA-00202: control file: ‘/u01/oracle/oradata/jadl10g/control01.ctl‘
ORA-27041: unable to open file
Linux-x86_64 Error: 2: No such file or directory
Additional information: 3
SQL> shutdown abort;
ORACLE instance shut down.
SQL> exit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production
With the Partitioning, Oracle Label Security, OLAP, Data Mining Scoring Engine
and Real Application Testing options
[[email protected] ~]$ rman target /
Recovery Manager: Release 10.2.0.5.0 - Production on Thu Nov 6 12:56:08 2014
Copyright (c) 1982, 2007, Oracle. All rights reserved.
connected to target database (not started)
RMAN> startup nomount
Oracle instance started
Total System Global Area 599785472 bytes
Fixed Size 2098112 bytes
Variable Size 163580992 bytes
Database Buffers 427819008 bytes
Redo Buffers 6287360 bytes
RMAN> restore controlfile from ‘/u01/oracle/flash_recovery_area/JADL10G/backupset/2014_11_06/o1_mf_ncsnf_TAG20141106T123548_b5oyp966_.bkp‘;
Starting restore at 06-NOV-14
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=156 devtype=DISK
channel ORA_DISK_1: restoring control file
channel ORA_DISK_1: restore complete, elapsed time: 00:00:03
output filename=/u01/oracle/oradata/jadl10g/control01.ctl
output filename=/u01/oracle/flash_recovery_area/jadl10g/control02.ctl
Finished restore at 06-NOV-14
RMAN> alter database mount;
database mounted
released channel: ORA_DISK_1
RMAN> exit
Recovery Manager complete.
[[email protected] ~]$ sqlplus / as sysdba
SQL*Plus: Release 10.2.0.5.0 - Production on Thu Nov 6 12:59:16 2014
Copyright (c) 1982, 2010, Oracle. All Rights Reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production
With the Partitioning, Oracle Label Security, OLAP, Data Mining Scoring Engine
and Real Application Testing options
SQL> alter database backup controlfile to trace as ‘/tmp/s.sql‘ reuse;
Database altered.
SQL> shutdown immediate
ORA-01109: database not open
Database dismounted.
ORACLE instance shut down.
[[email protected] ~]$ vi /tmp/s.sql
[[email protected] ~]$ vi /tmp/s.sql
[[email protected] ~]$ sed ‘/^$/d‘ /tmp/s.sql >/tmp/s1.sql
[[email protected] ~]$ sed ‘s/^ //g‘ -i /tmp/s1.sql
[[email protected] ~]$ sed ‘s/^ //g‘ -i /tmp/s1.sql
[[email protected] ~]$ sed ‘s/^ //g‘ -i /tmp/s1.sql
[[email protected] ~]$ sed ‘s/^ //g‘ -i /tmp/s1.sql
[[email protected] ~]$ cat /tmp/s1.sql
-- The following commands will create a new control file and use it
-- to open the database.
-- Data used by Recovery Manager will be lost.
-- The contents of online logs will be lost and all backups will
-- be invalidated. Use this only if online logs are damaged.
-- WARNING! The current control file needs to be checked against
-- the datafiles to insure it contains the correct files. The
-- commands printed here may be missing log and/or data files.
-- Another report should be made after the database has been
-- successfully opened.
-- After mounting the created controlfile, the following SQL
-- statement will place the database in the appropriate
-- protection mode:
-- ALTER DATABASE SET STANDBY DATABASE TO MAXIMIZE PERFORMANCE
STARTUP NOMOUNT
CREATE CONTROLFILE REUSE DATABASE "JADL10G" RESETLOGS ARCHIVELOG
MAXLOGFILES 16
MAXLOGMEMBERS 3
MAXDATAFILES 100
MAXINSTANCES 8
MAXLOGHISTORY 292
LOGFILE
GROUP 1 ‘/u01/oracle/oradata/jadl10g/redo01.log‘ SIZE 50M,
GROUP 2 ‘/u01/oracle/oradata/jadl10g/redo02.log‘ SIZE 50M,
GROUP 3 ‘/u01/oracle/oradata/jadl10g/redo03.log‘ SIZE 50M
-- STANDBY LOGFILE
DATAFILE
‘/u01/oracle/oradata/jadl10g/system01.dbf‘,
‘/u01/oracle/oradata/jadl10g/undotbs01.dbf‘,
‘/u01/oracle/oradata/jadl10g/sysaux01.dbf‘,
‘/u01/oracle/oradata/jadl10g/users01.dbf‘,
‘/u01/oracle/oradata/jadl10g/example01.dbf‘
CHARACTER SET AL32UTF8
;
-- Commands to re-create incarnation table
-- Below log names MUST be changed to existing filenames on
-- disk. Any one log file from each branch can be used to
-- re-create incarnation records.
-- ALTER DATABASE REGISTER LOGFILE ‘/u01/oracle/flash_recovery_area/JADL10G/archivelog/2014_11_06/o1_mf_1_1_%u_.arc‘;
-- ALTER DATABASE REGISTER LOGFILE ‘/u01/oracle/flash_recovery_area/JADL10G/archivelog/2014_11_06/o1_mf_1_1_%u_.arc‘;
-- Recovery is required if any of the datafiles are restored backups,
-- or if the last shutdown was not normal or immediate.
RECOVER DATABASE USING BACKUP CONTROLFILE
-- Database can now be opened zeroing the online logs.
ALTER DATABASE OPEN RESETLOGS;
-- Commands to add tempfiles to temporary tablespaces.
-- Online tempfiles have complete space information.
-- Other tempfiles may require adjustment.
ALTER TABLESPACE TEMP ADD TEMPFILE ‘/u01/oracle/oradata/jadl10g/temp01.dbf‘ REUSE;
-- End of tempfile additions.
--
SQL> start /tmp/s1.sql
ORACLE instance started.
Total System Global Area 599785472 bytes
Fixed Size 2098112 bytes
Variable Size 163580992 bytes
Database Buffers 427819008 bytes
Redo Buffers 6287360 bytes
Control file created.
ORA-00279: change 424293 generated at 11/06/2014 12:50:02 needed for thread 1
ORA-00289: suggestion :
/u01/oracle/flash_recovery_area/JADL10G/archivelog/2014_11_06/o1_mf_1_5_b5ozjrrr
_.arc
ORA-00280: change 424293 for thread 1 is in sequence #5
ORA-00308: cannot open archived log ‘--‘
ORA-27037: unable to obtain file status
Linux-x86_64 Error: 2: No such file or directory
Additional information: 3
ORA-00308: cannot open archived log ‘ALTER‘
ORA-27037: unable to obtain file status
Linux-x86_64 Error: 2: No such file or directory
Additional information: 3
ORA-00308: cannot open archived log ‘--‘
ORA-27037: unable to obtain file status
Linux-x86_64 Error: 2: No such file or directory
Additional information: 3
ORA-00308: cannot open archived log ‘--‘
ORA-27037: unable to obtain file status
Linux-x86_64 Error: 2: No such file or directory
Additional information: 3
ORA-00308: cannot open archived log ‘--‘
ORA-27037: unable to obtain file status
Linux-x86_64 Error: 2: No such file or directory
Additional information: 3
ORA-00308: cannot open archived log ‘ALTER‘
ORA-27037: unable to obtain file status
Linux-x86_64 Error: 2: No such file or directory
Additional information: 3
ORA-00308: cannot open archived log ‘--‘
ORA-27037: unable to obtain file status
Linux-x86_64 Error: 2: No such file or directory
Additional information: 3
ORA-00308: cannot open archived log ‘--‘
ORA-27037: unable to obtain file status
Linux-x86_64 Error: 2: No such file or directory
Additional information: 3
Specify log: {<RET>=suggested | filename | AUTO | CANCEL}
cancel
Media recovery cancelled.
SQL> alter database open resetlogs;
alter database open resetlogs
*
ERROR at line 1:
ORA-01113: file 1 needs media recovery if it was restored from backup, or END
BACKUP if it was not
ORA-01110: data file 1: ‘/u01/oracle/oradata/jadl10g/system01.dbf‘
*******此时发现数据文件是不一致的，增加隐藏参数(忽略一致性的验证)打开数据库。
*******不采用重建控制文件脚本，而采用recover的话，会丢数据而且没有办法打开。
SQL> create pfile=‘/tmp/s.ora‘ from spfile;
File created.
SQL> shutdown immediate
ORA-01109: database not open
Database dismounted.
ORACLE instance shut down.
[[email protected] ~]$ vi /tmp/s.ora
*._allow_resetlogs_corruption=true ----允许打开数据库是有损坏
SQL> startup mount pfile=‘/tmp/s.ora‘;
ORACLE instance started.
Total System Global Area 599785472 bytes
Fixed Size 2098112 bytes
Variable Size 163580992 bytes
Database Buffers 427819008 bytes
Redo Buffers 6287360 bytes
Database mounted.
SQL> alter database open resetlogs;
alter database open resetlogs
*
ERROR at line 1:
ORA-00603: ORACLE server session terminated by fatal error
此时忽略打开终止符号，重新启动数据库；
SQL> exit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production
With the Partitioning, Oracle Label Security, OLAP, Data Mining Scoring Engine
and Real Application Testing options
[[email protected] ~]$ sqlplus / as sysdba
SQL*Plus: Release 10.2.0.5.0 - Production on Thu Nov 6 13:23:42 2014
Copyright (c) 1982, 2010, Oracle. All Rights Reserved.
Connected to an idle instance.
SQL> startup
ORACLE instance started.
Total System Global Area 599785472 bytes
Fixed Size 2098112 bytes
Variable Size 163580992 bytes
Database Buffers 427819008 bytes
Redo Buffers 6287360 bytes
Database mounted.
ORA-01113: file 1 needs media recovery if it was restored from backup, or END
BACKUP if it was not
ORA-01110: data file 1: ‘/u01/oracle/oradata/jadl10g/system01.dbf‘
SQL> shutdown abort
ORACLE instance shut down.
SQL> startup mount pfile=‘/tmp/s.ora‘;
ORACLE instance started.
Total System Global Area 599785472 bytes
Fixed Size 2098112 bytes
Variable Size 163580992 bytes
Database Buffers 427819008 bytes
Redo Buffers 6287360 bytes
Database mounted.
SQL> recover database until cancel;
ORA-00279: change 424297 generated at 11/06/2014 13:21:46 needed for thread 1
ORA-00289: suggestion :
/u01/oracle/flash_recovery_area/JADL10G/archivelog/2014_11_06/o1_mf_1_1_%u_.arc
ORA-00280: change 424297 for thread 1 is in sequence #1
Specify log: {<RET>=suggested | filename | AUTO | CANCEL}
cancel
ORA-01547: warning: RECOVER succeeded but OPEN RESETLOGS would get error below
ORA-01194: file 1 needs more recovery to be consistent
ORA-01110: data file 1: ‘/u01/oracle/oradata/jadl10g/system01.dbf‘
ORA-01112: media recovery not started
SQL> alter database open resetlogs;
alter database open resetlogs
*
ERROR at line 1:
ORA-00603: ORACLE server session terminated by fatal error
SQL> exit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production
With the Partitioning, Oracle Label Security, OLAP, Data Mining Scoring Engine
and Real Application Testing options
[[email protected] ~]$ sqlplus / as sysdba
SQL*Plus: Release 10.2.0.5.0 - Production on Thu Nov 6 13:36:21 2014
Copyright (c) 1982, 2010, Oracle. All Rights Reserved.
Connected to an idle instance.
SQL> startup
ORACLE instance started.
Total System Global Area 599785472 bytes
Fixed Size 2098112 bytes
Variable Size 163580992 bytes
Database Buffers 427819008 bytes
Redo Buffers 6287360 bytes
Database mounted.
ORA-01113: file 1 needs media recovery if it was restored from backup, or END
BACKUP if it was not
ORA-01110: data file 1: ‘/u01/oracle/oradata/jadl10g/system01.dbf‘
[[email protected] ~]$ rman target /
Recovery Manager: Release 10.2.0.5.0 - Production on Thu Nov 6 13:38:58 2014
Copyright (c) 1982, 2007, Oracle. All rights reserved.
connected to target database: JADL10G (DBID=2011530396, not open)
RMAN> startup force nomount
Oracle instance started
Total System Global Area 599785472 bytes
Fixed Size 2098112 bytes
Variable Size 163580992 bytes
Database Buffers 427819008 bytes
Redo Buffers 6287360 bytes
RMAN> restore controlfile from ‘/u01/oracle/flash_recovery_area/JADL10G/backupset/2014_11_06/o1_mf_ncsnf_TAG20141106T123548_b5oyp966_.bkp‘;
Starting restore at 06-NOV-14
using channel ORA_DISK_1
channel ORA_DISK_1: restoring control file
channel ORA_DISK_1: restore complete, elapsed time: 00:00:02
output filename=/u01/oracle/oradata/jadl10g/control01.ctl
output filename=/u01/oracle/flash_recovery_area/jadl10g/control02.ctl
Finished restore at 06-NOV-14
RMAN> alter database mount;
database mounted
released channel: ORA_DISK_1
RMAN> restore database;
Starting restore at 06-NOV-14
Starting implicit crosscheck backup at 06-NOV-14
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=156 devtype=DISK
Crosschecked 1 objects
Finished implicit crosscheck backup at 06-NOV-14
Starting implicit crosscheck copy at 06-NOV-14
using channel ORA_DISK_1
Finished implicit crosscheck copy at 06-NOV-14
searching for all files in the recovery area
cataloging files...
cataloging done
List of Cataloged Files
=======================
File Name: /u01/oracle/flash_recovery_area/JADL10G/backupset/2014_11_06/o1_mf_ncsnf_TAG20141106T123548_b5oyp966_.bkp
File Name: /u01/oracle/flash_recovery_area/JADL10G/archivelog/2014_11_06/o1_mf_1_3_b5ozgwpw_.arc
File Name: /u01/oracle/flash_recovery_area/JADL10G/archivelog/2014_11_06/o1_mf_1_5_b5p1c4ho_.arc
File Name: /u01/oracle/flash_recovery_area/JADL10G/archivelog/2014_11_06/o1_mf_1_1_b5p24r2c_.arc
File Name: /u01/oracle/flash_recovery_area/JADL10G/archivelog/2014_11_06/o1_mf_1_5_b5ozjrrr_.arc
File Name: /u01/oracle/flash_recovery_area/JADL10G/archivelog/2014_11_06/o1_mf_1_4_b5p1c4do_.arc
File Name: /u01/oracle/flash_recovery_area/JADL10G/archivelog/2014_11_06/o1_mf_1_6_b5p1c4l4_.arc
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile backupset restore
channel ORA_DISK_1: specifying datafile(s) to restore from backup set
restoring datafile 00001 to /u01/oracle/oradata/jadl10g/system01.dbf
restoring datafile 00002 to /u01/oracle/oradata/jadl10g/undotbs01.dbf
restoring datafile 00003 to /u01/oracle/oradata/jadl10g/sysaux01.dbf
restoring datafile 00004 to /u01/oracle/oradata/jadl10g/users01.dbf
restoring datafile 00005 to /u01/oracle/oradata/jadl10g/example01.dbf
channel ORA_DISK_1: reading from backup piece /u01/oracle/flash_recovery_area/JADL10G/backupset/2014_11_06/o1_mf_nnndf_TAG20141106T123548_b5oyo4xm_.bkp
channel ORA_DISK_1: restored backup piece 1
piece handle=/u01/oracle/flash_recovery_area/JADL10G/backupset/2014_11_06/o1_mf_nnndf_TAG20141106T123548_b5oyo4xm_.bkp tag=TAG20141106T123548
channel ORA_DISK_1: restore complete, elapsed time: 00:00:46
Finished restore at 06-NOV-14
RMAN> recover database;
Starting recover at 06-NOV-14
using channel ORA_DISK_1
starting media recovery
archive log thread 1 sequence 3 is already on disk as file /u01/oracle/flash_recovery_area/JADL10G/archivelog/2014_11_06/o1_mf_1_3_b5ozgwpw_.arc
archive log thread 1 sequence 4 is already on disk as file /u01/oracle/flash_recovery_area/JADL10G/archivelog/2014_11_06/o1_mf_1_4_b5p1c4do_.arc
archive log thread 1 sequence 1 is already on disk as file /u01/oracle/flash_recovery_area/JADL10G/archivelog/2014_11_06/o1_mf_1_1_b5p24r2c_.arc
archive log filename=/u01/oracle/flash_recovery_area/JADL10G/archivelog/2014_11_06/o1_mf_1_3_b5ozgwpw_.arc thread=1 sequence=3
archive log filename=/u01/oracle/flash_recovery_area/JADL10G/archivelog/2014_11_06/o1_mf_1_4_b5p1c4do_.arc thread=1 sequence=4
archive log filename=/u01/oracle/flash_recovery_area/JADL10G/archivelog/2014_11_06/o1_mf_1_1_b5p24r2c_.arc thread=1 sequence=1
unable to find archive log
archive log thread=1 sequence=2
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of recover command at 11/06/2014 13:46:47
RMAN-06054: media recovery requesting unknown log: thread 1 seq 2 lowscn 424301
RMAN> recover database until logseq 2; ---注意此处：恢复到日志序列号为2的地方，之后的数据肯定就是丢失啦
Starting recover at 06-NOV-14
using channel ORA_DISK_1
starting media recovery
media recovery complete, elapsed time: 00:00:03
Finished recover at 06-NOV-14
RMAN> alter database open resetlogs; ---打开数据库
database opened
RMAN> exit
Recovery Manager complete.
***完成恢复后查询DB，发现之前建立的表C3丢失了，日志文件丢失肯定会造成数据的丢失，只是多少的问题噢噢！！！***
[[email protected] ~]$ sqlplus / as sysdba
SQL*Plus: Release 10.2.0.5.0 - Production on Thu Nov 6 13:47:59 2014
Copyright (c) 1982, 2010, Oracle. All Rights Reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production
With the Partitioning, Oracle Label Security, OLAP, Data Mining Scoring Engine
and Real Application Testing options
SQL> conn scott/tiger
Connected.
SQL> select * from tab;
TNAME TABTYPE CLUSTERID
------------------------------ ------- ----------
DEPT TABLE
EMP TABLE
BONUS TABLE
SALGRADE TABLE
C2 TABLE
C1 TABLE
6 rows selected.
SQL> desc c3 ----c3已经丢失了，他可能运气有点背，刚好在那个删除的归档日志里。
ERROR:
ORA-04043: object c3 does not exist
SQL> exit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production
With the Partitioning, Oracle Label Security, OLAP, Data Mining Scoring Engine
and Real Application Testing options
进入rman重新备份数据库，删除无效备份：
[[email protected] ~]$ rman target /
Recovery Manager: Release 10.2.0.5.0 - Production on Thu Nov 6 13:50:35 2014
Copyright (c) 1982, 2007, Oracle. All rights reserved.
connected to target database: JADL10G (DBID=2011530396)
RMAN> delete backup;
****删除之前无效的备份
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=139 devtype=DISK
List of Backup Pieces
BP Key BS Key Pc# Cp# Status Device Type Piece Name
------- ------- --- --- ----------- ----------- ----------
1 1 1 1 AVAILABLE DISK /u01/oracle/flash_recovery_area/JADL10G/backupset/2014_11_06/o1_mf_nnndf_TAG20141106T123548_b5oyo4xm_.bkp
2 2 1 1 AVAILABLE DISK /u01/oracle/flash_recovery_area/JADL10G/backupset/2014_11_06/o1_mf_ncsnf_TAG20141106T123548_b5oyp966_.bkp
Do you really want to delete the above objects (enter YES or NO)? yes
deleted backup piece
backup piece handle=/u01/oracle/flash_recovery_area/JADL10G/backupset/2014_11_06/o1_mf_nnndf_TAG20141106T123548_b5oyo4xm_.bkp recid=1 stamp=862922148
deleted backup piece
backup piece handle=/u01/oracle/flash_recovery_area/JADL10G/backupset/2014_11_06/o1_mf_ncsnf_TAG20141106T123548_b5oyp966_.bkp recid=2 stamp=862926343
Deleted 2 objects
RMAN> backup database;
*****重新备份数据库之前的备份无效了；
Starting backup at 06-NOV-14
using channel ORA_DISK_1
channel ORA_DISK_1: starting full datafile backupset
channel ORA_DISK_1: specifying datafile(s) in backupset
input datafile fno=00001 name=/u01/oracle/oradata/jadl10g/system01.dbf
input datafile fno=00003 name=/u01/oracle/oradata/jadl10g/sysaux01.dbf
input datafile fno=00005 name=/u01/oracle/oradata/jadl10g/example01.dbf
input datafile fno=00002 name=/u01/oracle/oradata/jadl10g/undotbs01.dbf
input datafile fno=00004 name=/u01/oracle/oradata/jadl10g/users01.dbf
channel ORA_DISK_1: starting piece 1 at 06-NOV-14
channel ORA_DISK_1: finished piece 1 at 06-NOV-14
piece handle=/u01/oracle/flash_recovery_area/JADL10G/backupset/2014_11_06/o1_mf_nnndf_TAG20141106T135107_b5p32dhf_.bkp tag=TAG20141106T135107 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:35
channel ORA_DISK_1: starting full datafile backupset
channel ORA_DISK_1: specifying datafile(s) in backupset
including current control file in backupset
including current SPFILE in backupset
channel ORA_DISK_1: starting piece 1 at 06-NOV-14
channel ORA_DISK_1: finished piece 1 at 06-NOV-14
piece handle=/u01/oracle/flash_recovery_area/JADL10G/backupset/2014_11_06/o1_mf_ncsnf_TAG20141106T135107_b5p33jjj_.bkp tag=TAG20141106T135107 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:02
Finished backup at 06-NOV-14