Control file restore without backup
I installed oracle 10g
Backed it up with rman ... backup database
Now I lost the control file
With out auto backup of control file ..how can i restore my control file and get it in sync with my database file
Hi,
As you stated as the below things
I installed oracle 10g
Backed it up with rman ... backup database Does the backup is taken is of full backup, then you can restore the controlfile. Basic thing, when ever the System.dbf is backup implicity the control file backup is done, don't forget, then is no need to set autobackup on looking into this case.
try to restore as from backup, sa I stated above, your issue will be solved, remember if any strucutal changes are carried out after your backup, then those can not be recovered based on backup controlfile (like addition of new datafiles)
- Pavan Kumar N
Oracle 9i/10g - OCP
http://oracleinternals.blogspot.com/
Similar Messages
-
I am just wondering, and wants to know......can we place control file in Hot Backup.. if yes...then are not the contents of controlfile changed after the backups?
oracleRaj wrote:
I am just wondering, and wants to know......can we place control file in Hot Backup.. There is no way or term place control file in Hot Backup ,but you can get backup while database running using
Rman.To doing this you can use configure controlfile autobackup on or backup current controlfile.
if yes...then are not the contents of controlfile changed after the backups?After backup controlfile , change contents of controlfile of database not backup.
There are no problems. -
Why recover after control file restore
When we have not lost any data files but just restored the control file, why is recover command required. What does it really do for control file ?
Does it really reads the redo logs ? I was under impression , it synchronises from the scn in datafiles . Is it correct ?
Edited by: user11159529 on May 6, 2011 1:51 PMThanks all for your respone.
The confusion i have from 11Gr2 admin exam which has following options
When you have lost no data files and you recover the backup control file, why is recover command required ?
1)To roll forward changes to the control file byresynchronizing from the data files.
2) To roll forward changes to the control file by applying redo from from the redo logs
Notes say ANSWER 2 is correct answer
To me it made more sense to have option 1 as correct answer. But Oracle notes say OPTION 2 is correct.
I have having trouble following why 2 and not 1 is the correct answer.
Thanks -
How to recover photos after restore without backup?
Hello
Basically, a couple weeks ago my iPod 4th gen died.
I went out to buy a new charger. This charger worked for a while, but then stopped.
Every time I plugged it in, it would show me the screen that indicates
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So, I bought a new charger and used it to connect to iTunes,
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After the restore, my iPod went back to the factory settings.
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I'd really love to get these back. I tried using those recovery programs, but nothing
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I just really want those photos back.
Thank you for reading, sorry that this is so long.
Any solutions? (iPod 4th gen, iOS 6.1.6)Maybe from the restored iPod via How to perform iPad recovery for photos, videos
Wondershare Dr.Fone for iOS: iPhone Data Recovery - Wondershare Official
http://www.amacsoft.com/ipod-data-recovery.html
iPod recovery software to restore lost music files
http://www.pcrecoverytools.com/ipod-data-recovery.html
Yu also said:
I think this is because
I backed up a long time ago, and the iTunes update may have erased the back up?
No, updating iTunes does not delete any iOS device backups. -
Hello all, I have my iWeb site published to my own domain. I have the iWeb files published to an external hard drive.
I am not renewing .mac this December so I can no longer use backup.
If my computer crashes and I lose those iWeb files how can I import them or restore them to iWeb.
I know that the actual site will still be online, but for ease of editing I would want to be able to import the published site back to iWeb.
What all do I need to copy to save all my iWeb settings manually or is there a better alternative?
Mike
<edited by host - see [url=http://discussions.apple.com/help.jspa#terms]Terms of Use, section 2.6.3[/url]>
Intel iMac 17" Mac OS X (10.4.8) 2 gigs of memory.Hi Michael,
You must back up your iWeb Domain file, found in this path:
Users/username/Library/Application Support/iWeb/Domain
Without this file you cannot do anything with your sites in iWeb, as published files cannot be imported back into the application. Put this Domain file on your external HD, burn it to a disk, place it on a thumbdrive or an iPod; just make sure to put it somewhere safe.
Mark -
I recently restored my iPad to fix issues with the Facebook account attached to my iPad clearing all saved data and I didn't backup with iCloud because I wanted to get rid of the Facebook account that I could no longer access and remove or attach with games. Game achievements are shown in the Game Centre but when I play the app it starts at the very beginning of the app with no progress is there anyway to retrieve my progress?
No. Not without a backup.
-
ICal files - restoring from backup
Can anyone please tell me which iCal files I need to copy across from my 10.5.1 Time Machine backup to my newly installed 10.5.2 system? I have found the Calendars folder but it contains some confusing filenames including two calendar sub-folders, a cache file and a cache-1 file. I don't want to mess up my new installation but just need to grab about 100 events (on dates which I can't remember) including friends and family birthdays! TIA.
SimonThanks Kappy but are you sure? I don't have an iCal folder in either 10.5.1 or 10.5.2.
In 10.5.2 I can find the following:
Home/Library/Calendars/451DDA40-4B90-493E-AD00-0DE46B267BBA.calendar/info.plist
Home/Library/Calendars/451DDA40-4B90-493E-AD00-0DE46B267BBA.calendar/Events/(ics event files)
Home/Library/Calendars/F0120AF2-9821-4DFA-ACBD-162BAD537E0F.calendar/info.plist
Home/Library/Calendars/F0120AF2-9821-4DFA-ACBD-162BAD537E0F.calendar/Events/(emp ty)
Home/Library/Calendars/Calendar Cache
Home/Library/Calendars/Calendar Cache~1
Home/Library/Calendars/Calendar Sync Changes/(empty)
Home/Library/Preferences/ByHost/com.apple.iCal.helper.001b63a4ee5c.plist
Home/Library/Preferences/ByHost/com.apple.scheduler.001b63a4ee5c.plist
Home/Library/Preferences/com.apple.iCal.plist
Home/Library/Preferences/iCalExternalSync.plist
System/Library/Frameworks/CalendarStore.Framework/Versions/A/Resources/iCalExter nalSyncConduit.plist
System/Library/Frameworks/CalendarStore.Framework/(many more files and folders)
In 10.5.1, it's similar but the two Cache files marked above aren't there (or are invisible).
Bit of a maze to be sure and way beyond my comprehension... Unfortunately I'm forced to do it this way as I had to erase my internal 10.5.1 disk yesterday as I couldn't boot up...
Simon -
Control file lost and datafile addeed restore/recovery with no data loss
Here i have tried to the following
created new table called t2 and made sure data went to a specific tablespace...
took a level 0 backup
removed the control file
added couple of datafile to above tablespace and then inserted more data
then went out to restore control file and the database...but datafile still could not be opened ?? what did i do wrong here....
SQL> @datafile
-- list of datafile
Tablespace File Typ Tablespac File Stat Used MB Free MB FILE_MB MAXMB Datafile_name FILE_ID AUT
UNDOTBS1 Datafile ONLINE AVAILABLE 16 84 100 1,024 /data/trgt/undotbs01.dbf 3 YES
USERS Datafile ONLINE AVAILABLE 1153 895 2048 3,072 /data3/trgt/user02.dbf 5 YES
CNT_TST Datafile ONLINE AVAILABLE 1 9 10 0 /data3/trgt/cnt_tst01.dbf 7 NO
SYSAUX Datafile ONLINE AVAILABLE 626 35 660 32,768 /data/trgt/sysaux01.dbf 2 YES
USERS Datafile ONLINE AVAILABLE 2031 17 2048 2,048 /data3/trgt/move/users01.dbf 4 YES
SYSTEM Datafile ONLINE AVAILABLE 712 58 770 32,768 /data/trgt/system01.dbf 1 YES
USERS Datafile ONLINE AVAILABLE 65 35 100 32,768 /data3/trgt/users03.dbf 6 YES
7 rows selected.
-- new table is created called t2 and its going into TS called cnt_tst
SQL> CREATE TABLE TEST.T2
C1 DATE,
C2 NUMBER,
C3 NUMBER,
C4 VARCHAR2(300 BYTE)
TABLESPACE cnt_tst; 2 3 4 5 6 7 8
Table created.
-- data inserted
SQL> INSERT INTO
test.T2
SELECT
FROM
(SELECT
SYSDATE,
ROWNUM C2,
DECODE(MOD(ROWNUM,100),99,99,1) C3,
RPAD('A',300,'A') C4
FROM
DUAL
CONNECT BY
LEVEL <= 10000)
; 2 3 4 5 6 7 8 9 10 11 12 13 14 15
10000 rows created.
SQL> commit;
Commit complete.
-- to check of cnt_tst has any free space or not, as we can see its full
SQL> @datafile
Tablespace File Typ Tablespac File Stat Used MB Free MB FILE_MB MAXMB Datafile_name FILE_ID AUT
UNDOTBS1 Datafile ONLINE AVAILABLE 16 84 100 1,024 /data/trgt/undotbs01.dbf 3 YES
USERS Datafile ONLINE AVAILABLE 1153 895 2048 3,072 /data3/trgt/user02.dbf 5 YES
SYSAUX Datafile ONLINE AVAILABLE 626 35 660 32,768 /data/trgt/sysaux01.dbf 2 YES
USERS Datafile ONLINE AVAILABLE 2031 17 2048 2,048 /data3/trgt/move/users01.dbf 4 YES
SYSTEM Datafile ONLINE AVAILABLE 712 58 770 32,768 /data/trgt/system01.dbf 1 YES
USERS Datafile ONLINE AVAILABLE 65 35 100 32,768 /data3/trgt/users03.dbf 6 YES
CNT_TST Datafile ONLINE AVAILABLE 10 0 10 0 /data3/trgt/cnt_tst01.dbf 7 NO
7 rows selected.
SQL> select count(*) from test.t2;
COUNT(*)
10000
1 row selected.
-- to get a count and max on date
SQL> select max(c1) from test.t2;
MAX(C1)
29-feb-12 13:47:52
1 row selected.
SQL> -- AT THIS POINT A LEVEL 0 BACKUP IS TAKEN (using backup database plus archivelog)
SQL> -- now control files are removed
SQL> select name from v$controlfile;
NAME
/ctrl/trgt/control01.ctl
/ctrl/trgt/control02.ctl
2 rows selected.
SQL>
SQL> ! rm /ctrl/trgt/control01.ctl
SQL> ! rm /ctrl/trgt/control02.ctl
SQL> ! ls -ltr /ctrl/trgt/
ls: /ctrl/trgt/: No such file or directory
SQL>
-- new datafile is added to CNT_TST TABLESPACE and new data is added as well
SQL> ALTER TABLESPACE CNT_TST ADD DATAFILE '/data3/trgt/CNT_TST02.dbf' SIZE 100M AUTOEXTEND OFF;
Tablespace altered.
SQL> ALTER SYSTEM CHECKPOINT;
System altered.
SQL> alter system switch logfile;
System altered.
SQL> /
System altered.
SQL> /
System altered.
SQL> ALTER TABLESPACE CNT_TST ADD DATAFILE '/data3/trgt/CNT_TST03.dbf' SIZE 100M AUTOEXTEND OFF;
Tablespace altered.
SQL> INSERT INTO
test.T2
SELECT
FROM
(SELECT
SYSDATE,
ROWNUM C2,
DECODE(MOD(ROWNUM,100),99,99,1) C3,
RPAD('A',300,'A') C4
FROM
DUAL
CONNECT BY
LEVEL <= 10000)
; 2 3 4 5 6 7 8 9 10 11 12 13 14 15
10000 rows created.
SQL> /
10000 rows created.
SQL> commit;
Commit complete.
SQL> INSERT INTO
test.T2
SELECT
FROM
(SELECT
SYSDATE,
ROWNUM C2,
DECODE(MOD(ROWNUM,100),99,99,1) C3,
RPAD('A',300,'A') C4
FROM
DUAL
CONNECT BY
LEVEL <= 40000)
; 2 3 4 5 6 7 8 9 10 11 12 13 14 15
40000 rows created.
SQL> commit;
Commit complete.
SQL> @datafile
-- to make sure new datafile has been registered with the DB
Tablespace File Typ Tablespac File Stat Used MB Free MB FILE_MB MAXMB Datafile_name FILE_ID AUT
CNT_TST Datafile ONLINE AVAILABLE 9 91 100 0 /data3/trgt/CNT_TST03.dbf 9 NO
UNDOTBS1 Datafile ONLINE AVAILABLE 16 84 100 1,024 /data/trgt/undotbs01.dbf 3 YES
USERS Datafile ONLINE AVAILABLE 1153 895 2048 3,072 /data3/trgt/user02.dbf 5 YES
CNT_TST Datafile ONLINE AVAILABLE 9 91 100 0 /data3/trgt/CNT_TST02.dbf 8 NO
SYSAUX Datafile ONLINE AVAILABLE 626 35 660 32,768 /data/trgt/sysaux01.dbf 2 YES
USERS Datafile ONLINE AVAILABLE 2031 17 2048 2,048 /data3/trgt/move/users01.dbf 4 YES
SYSTEM Datafile ONLINE AVAILABLE 712 58 770 32,768 /data/trgt/system01.dbf 1 YES
USERS Datafile ONLINE AVAILABLE 65 35 100 32,768 /data3/trgt/users03.dbf 6 YES
CNT_TST Datafile ONLINE AVAILABLE 10 0 10 0 /data3/trgt/cnt_tst01.dbf 7 NO
9 rows selected.
-- now the count and max ... note count before backup was 10000 and max(c1) was diff
SQL> select count(*) from test.t2;
COUNT(*)
70000
1 row selected.
SQL> select max(c1) from test.t2;
MAX(C1)
29-feb-12 13:58:25
1 row selected.
SQL> -- now restore starts
SQL> shutdown abort;
ORACLE instance shut down.
SQL> exit
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
[oracle@berry trgt]$ rman
Recovery Manager: Release 11.2.0.1.0 - Production on Wed Feb 29 14:01:48 2012
Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.
RMAN> connect catalog rman/pass@rcat
connected to recovery catalog database
RMAN> connect target /
connected to target database (not started)
RMAN> startup nomount;
Oracle instance started
Total System Global Area 188313600 bytes
Fixed Size 1335388 bytes
Variable Size 125833124 bytes
Database Buffers 58720256 bytes
Redo Buffers 2424832 bytes
RMAN> restore controlfile from autobackup;
Starting restore at 29-FEB-12 14:02:37
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=20 device type=DISK
recovery area destination: /backup/trgt/flash_recovery_area
database name (or database unique name) used for search: TRGT
channel ORA_DISK_1: no AUTOBACKUPS found in the recovery area
channel ORA_DISK_1: looking for AUTOBACKUP on day: 20120229
channel ORA_DISK_1: AUTOBACKUP found: /backup/trgt/backup/cont_c-3405317011-20120229-09
channel ORA_DISK_1: restoring control file from AUTOBACKUP /backup/trgt/backup/cont_c-3405317011-20120229-09
channel ORA_DISK_1: control file restore from AUTOBACKUP complete
output file name=/ctrl/trgt/control01.ctl
output file name=/ctrl/trgt/control02.ctl
Finished restore at 29-FEB-12 14:02:39
RMAN> alter database mount;
database mounted
released channel: ORA_DISK_1
RMAN> recover database;
Starting recover at 29-FEB-12 14:02:55
Starting implicit crosscheck backup at 29-FEB-12 14:02:55
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=20 device type=DISK
Crosschecked 96 objects
Finished implicit crosscheck backup at 29-FEB-12 14:02:57
Starting implicit crosscheck copy at 29-FEB-12 14:02:57
using channel ORA_DISK_1
Finished implicit crosscheck copy at 29-FEB-12 14:02:57
searching for all files in the recovery area
cataloging files...
no files cataloged
using channel ORA_DISK_1
starting media recovery
archived log for thread 1 with sequence 13 is already on disk as file /redo_archive/trgt/online/redo01.log
archived log for thread 1 with sequence 14 is already on disk as file /redo_archive/trgt/online/redo02.log
archived log for thread 1 with sequence 15 is already on disk as file /redo_archive/trgt/online/redo03.log
archived log file name=/redo_archive/trgt/archive/1_10_776523284.dbf thread=1 sequence=10
archived log file name=/redo_archive/trgt/archive/1_10_776523284.dbf thread=1 sequence=10
archived log file name=/redo_archive/trgt/archive/1_11_776523284.dbf thread=1 sequence=11
archived log file name=/redo_archive/trgt/archive/1_12_776523284.dbf thread=1 sequence=12
archived log file name=/redo_archive/trgt/online/redo01.log thread=1 sequence=13
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of recover command at 02/29/2012 14:02:59
ORA-01422: exact fetch returns more than requested number of rows
RMAN-20505: create datafile during recovery
RMAN-11003: failure during parse/execution of SQL statement: alter database recover logfile '/redo_archive/trgt/online/redo01.log'
ORA-00283: recovery session canceled due to errors
ORA-01244: unnamed datafile(s) added to control file by media recovery
ORA-01110: data file 9: '/data3/trgt/CNT_TST03.dbf'
RMAN> -- wnet to session 2 and renamed datafile from unammed-- wnet to session 2 and renamed datafile for unammed file
SQL> select name from v$datafile;
NAME
/data/trgt/system01.dbf
/data/trgt/sysaux01.dbf
/data/trgt/undotbs01.dbf
/data3/trgt/move/users01.dbf
/data3/trgt/user02.dbf
/data3/trgt/users03.dbf
/data3/trgt/cnt_tst01.dbf
/oracle/app/product/11.2.0/dbhome_1/dbs/UNNAMED00008
/oracle/app/product/11.2.0/dbhome_1/dbs/UNNAMED00009
9 rows selected.
SQL> alter database create datafile '/oracle/app/product/11.2.0/dbhome_1/dbs/UNNAMED00008' as '/data3/trgt/CNT_TST02.dbf';
Database altered.
SQL> alter database create datafile '/oracle/app/product/11.2.0/dbhome_1/dbs/UNNAMED00009' as '/data3/trgt/CNT_TST03.dbf';
Database altered.
SQL> select name from v$datafile;
NAME
/data/trgt/system01.dbf
/data/trgt/sysaux01.dbf
/data/trgt/undotbs01.dbf
/data3/trgt/move/users01.dbf
/data3/trgt/user02.dbf
/data3/trgt/users03.dbf
/data3/trgt/cnt_tst01.dbf
/data3/trgt/CNT_TST02.dbf
/data3/trgt/CNT_TST03.dbf
9 rows selected.after above was done, went back to session 1 and tried recovered the DB
RMAN> recover database;
Starting recover at 29-FEB-12 14:06:16
using channel ORA_DISK_1
starting media recovery
archived log for thread 1 with sequence 13 is already on disk as file /redo_archive/trgt/online/redo01.log
archived log for thread 1 with sequence 14 is already on disk as file /redo_archive/trgt/online/redo02.log
archived log for thread 1 with sequence 15 is already on disk as file /redo_archive/trgt/online/redo03.log
archived log file name=/redo_archive/trgt/online/redo01.log thread=1 sequence=13
archived log file name=/redo_archive/trgt/online/redo02.log thread=1 sequence=14
archived log file name=/redo_archive/trgt/online/redo03.log thread=1 sequence=15
media recovery complete, elapsed time: 00:00:00
Finished recover at 29-FEB-12 14:06:17
RMAN> alter database open resetlogs;
database opened
new incarnation of database registered in recovery catalog
starting full resync of recovery catalog
full resync complete
starting full resync of recovery catalog
full resync complete
RMAN> exit
Recovery Manager complete.
[oracle@berry trgt]$
[oracle@berry trgt]$
[oracle@berry trgt]$ sq
SQL*Plus: Release 11.2.0.1.0 Production on Wed Feb 29 14:07:18 2012
Copyright (c) 1982, 2009, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> alter session set NLS_DATE_FORMAT="dd-mon-yy hh24:mi:ss:
2
SQL>
SQL> alter session set NLS_DATE_FORMAT="dd-mon-yy hh24:mi:ss";
Session altered.
SQL> select count(*) from test.t2;
select count(*) from test.t2
ERROR at line 1:
ORA-00376: file 8 cannot be read at this time
ORA-01110: data file 8: '/data3/trgt/CNT_TST02.dbf'
SQL> select max(c1) from test.t2;
select max(c1) from test.t2
ERROR at line 1:
ORA-00376: file 8 cannot be read at this time
ORA-01110: data file 8: '/data3/trgt/CNT_TST02.dbf'
SQL> alter database datafile 8 online;
alter database datafile 8 online
ERROR at line 1:
ORA-01190: control file or data file 8 is from before the last RESETLOGS
ORA-01110: data file 8: '/data3/trgt/CNT_TST02.dbf'
{code}
so what did i do wrong in my recovery that i could not get my data?? how can i avoid this?? and restore my DB?
Edited by: user8363520 on Feb 29, 2012 12:24 PMuser8363520 wrote:
Here i have tried to the following
created new table called t2 and made sure data went to a specific tablespace...
took a level 0 backup
removed the control file
added couple of datafile to above tablespace and then inserted more data
then went out to restore control file and the database...but datafile still could not be opened ?? what did i do wrong here....
SQL> @datafile
-- list of datafile
Tablespace File Typ Tablespac File Stat Used MB Free MB FILE_MB MAXMB Datafile_name FILE_ID AUT
UNDOTBS1 Datafile ONLINE AVAILABLE 16 84 100 1,024 /data/trgt/undotbs01.dbf ; 3 YES
USERS Datafile ONLINE AVAILABLE 1153 895 2048 3,072 /data3/trgt/user02.dbf ; 5 YES
CNT_TST Datafile ONLINE AVAILABLE 1 9 10 0 /data3/trgt/cnt_tst01.dbf ; 7 NO
SYSAUX Datafile ONLINE AVAILABLE 626 35 660 32,768 /data/trgt/sysaux01.dbf ; 2 YES
USERS Datafile ONLINE AVAILABLE 2031 17 2048 2,048 /data3/trgt/move/users01.dbf ; 4 YES
SYSTEM Datafile ONLINE AVAILABLE 712 58 770 32,768 /data/trgt/system01.dbf ; 1 YES
USERS Datafile ONLINE AVAILABLE 65 35 100 32,768 /data3/trgt/users03.dbf ; 6 YES
7 rows selected.
-- new table is created called t2 and its going into TS called cnt_tst
SQL> CREATE TABLE TEST.T2
C1 DATE,
C2 NUMBER,
C3 NUMBER,
C4 VARCHAR2(300 BYTE)
TABLESPACE cnt_tst; 2 3 4 5 6 7 8
Table created.
-- data inserted
SQL> INSERT INTO
test.T2
SELECT
FROM
(SELECT
SYSDATE,
ROWNUM C2,
DECODE(MOD(ROWNUM,100),99,99,1) C3,
RPAD('A',300,'A') C4
FROM
DUAL
CONNECT BY
LEVEL <= 10000)
; 2 3 4 5 6 7 8 9 10 11 12 13 14 15
10000 rows created.
SQL> commit;
Commit complete.
-- to check of cnt_tst has any free space or not, as we can see its full
SQL> @datafile
Tablespace File Typ Tablespac File Stat Used MB Free MB FILE_MB MAXMB Datafile_name FILE_ID AUT
UNDOTBS1 Datafile ONLINE AVAILABLE 16 84 100 1,024 /data/trgt/undotbs01.dbf ; 3 YES
USERS Datafile ONLINE AVAILABLE 1153 895 2048 3,072 /data3/trgt/user02.dbf ; 5 YES
SYSAUX Datafile ONLINE AVAILABLE 626 35 660 32,768 /data/trgt/sysaux01.dbf ; 2 YES
USERS Datafile ONLINE AVAILABLE 2031 17 2048 2,048 /data3/trgt/move/users01.dbf ; 4 YES
SYSTEM Datafile ONLINE AVAILABLE 712 58 770 32,768 /data/trgt/system01.dbf ; 1 YES
USERS Datafile ONLINE AVAILABLE 65 35 100 32,768 /data3/trgt/users03.dbf ; 6 YES
CNT_TST Datafile ONLINE AVAILABLE 10 0 10 0 /data3/trgt/cnt_tst01.dbf ; 7 NO
7 rows selected.
SQL> select count(*) from test.t2;
COUNT(*)
10000
1 row selected.
-- to get a count and max on date
SQL> select max(c1) from test.t2;
MAX(C1)
29-feb-12 13:47:52
1 row selected.
SQL> -- AT THIS POINT A LEVEL 0 BACKUP IS TAKEN (using backup database plus archivelog)
SQL> -- now control files are removed
SQL> select name from v$controlfile;
NAME
/ctrl/trgt/control01.ctl
/ctrl/trgt/control02.ctl
2 rows selected.
SQL>
SQL> ! rm /ctrl/trgt/control01.ctl
SQL> ! rm /ctrl/trgt/control02.ctl
SQL> ! ls -ltr /ctrl/trgt/
ls: /ctrl/trgt/: No such file or directory
SQL>
-- new datafile is added to CNT_TST TABLESPACE and new data is added as well
SQL> ALTER TABLESPACE CNT_TST ADD DATAFILE '/data3/trgt/CNT_TST02.dbf' SIZE 100M AUTOEXTEND OFF;
Tablespace altered.
SQL> ALTER SYSTEM CHECKPOINT;
System altered. Upto this i was clear, but now i cann't understand when you actually dropped the control file from you database(in running stat) how can you perform "alter system checkpoint" and other "alter tablespace.." command? Once controlfile is inaccessible, oracle database is not suppose to function. -
RMAN Restore Control File Fails - File Header Validation Fails
hi everyone,
This is 9i on Windows 2000.
I'm trying to restore a control file from a backup made by RMAN on another server.
I expected Oracle/RMAN to choke because it knows the backup file was not made from this servers database.
RMAN>restore control file from '......' gives ORA-19563 Control File header validation failed
Is there a way to force RMAN to restore a file, in a situation like this?
Thanks,
John>>I expected Oracle/RMAN to choke because it knows the backup file was not made from this servers database.
What do you mean by this statement ? Do you mean that the servers are on different platforms ? If so first you need to do RMAN platform conversion to able to recognize the controlfile.
If not, Can you make sure of the following
1) source and target servers are same operating system
2) source and target database homes have same versions. -
Advice on having a control file (online) on the same disk as backups
The following database files layout provides a no data loss configuration if the DiskArray #1, which stores the database, fails.
I have every think I need in the flash recovery area (DiskArray #2): backups, archived logs and online redo.
DiskArray #1:
- datafiles
- control file (mirror copy 1)
- Online redo log (mirror copy 1)
DiskArray #2: (flash recovery area)
- control file (mirror copy 2)
- Online redo log (mirror copy 2)
- archived logs
- backups
But some one raise the following scenario:
What happen if the diskArray #2, which has one control file copy, fails?
The instance should abort. Can it corrupt the current online redo, controlfile or a datafile?
If it does I would be in a dead end; of course I have regular offsite backups, but I may lose up to two weeks.
Lossing the database because the backup array fails is not acceptable.
Should I avoid any control file in the backup array?
Oracle recommend having control file copies in separate disk location and one of it in the flash recovery area.
Anyone have suggestions.
I am a bit scaredCan it corrupt the current online redo, controlfile or a datafile?Could that someone tell you why he thinks so ? I have seen loss of controlfile and loss of mirrored (duplexed) redo logs but that doesn't corrupt the good controlfile and redo logs and datafiles. unless someone or some process copies the corrupted files over to the good array !
You'd have to restart the instance with that controlfile excluded from the parameter file.
You'd lose your archivelogs and backups. If you have no tape backups you'd lose the ability to restore as well (being another "someone", I will ask "What happen if the diskArray #1 fails at the same time or 5 minutes after or 6 hours after diskArray #2 ?").
Hemant K Chitale
http://hemantoracledba.blogspot.com -
Need a help: how to recover using backup control file?
Please a help:
First computer
1. I create a database
2. put it in archive mode,
3. shutdown and made a cold backup
4. Created backup control file (alter database backup control file to trace)
5. I started up and created some archived log files.
Second Computer
1. I copied all files created in the step 3 above except the control file
2. I create all the same map directory on the 2nd computer as in the 1st computer
3. I recreate the control file from the script got in the step 4 above
4. I Copy archived log files generated at the step 5 in the local directory in the second computer
5. I set the logsource and set the autorecovery to on
6. I recover the database: RECOVER DATABASE USING BACKUP CONTROL FILE UNTIL CANCEL
Error got:
the archived log file applied do not go beyond the first one?,How could I do to applied all archived log files copied from the first computer to the second computer to have the same data?
Thank you very mucharchived log sequeces in the first computerSQL> select sequence#,first_change#,next_change# from v$log_history;
SEQUENCE# FIRST_CHANGE# NEXT_CHANGE#
1 553723 555484
2 555484 557345
Actions I did in the second Computer(after copied the former two archived log files from the 1st computer)
SQL> CREATE CONTROLFILE REUSE DATABASE "ORCL" RESETLOGS ARCHIVELOG
2 MAXLOGFILES 16
3 MAXLOGMEMBERS 3
4 MAXDATAFILES 100
5 MAXINSTANCES 8
6 MAXLOGHISTORY 292
7 LOGFILE
8 GROUP 1 'C:\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL\REDO01.LOG' SIZE 50M,
9 GROUP 2 'C:\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL\REDO02.LOG' SIZE 50M,
10 GROUP 3 'C:\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL\REDO03.LOG' SIZE 50M
11 -- STANDBY LOGFILE
12 DATAFILE
13 'C:\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL\SYSTEM01.DBF',
14 'C:\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL\UNDOTBS01.DBF',
15 'C:\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL\SYSAUX01.DBF',
16 'C:\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL\USERS01.DBF'
17 CHARACTER SET WE8ISO8859P1
18 ;
Control file created.
SQL> archive log list;
Database log mode Archive Mode
Automatic archival Disabled
Archive destination USE_DB_RECOVERY_FILE_DEST
Oldest online log sequence 0
Next log sequence to archive 0
Current log sequence 0
SQL> alter database archivelog;
Database altered.
SQL> set logsource C:\local_destination1_orcl
SQL> set autorecovery on;
SQL> recover database using backup controlfile until cancel;
ORA-00279: change 555611 generated at 01/18/2007 14:14:14 needed for thread 1
ORA-00289: suggestion :
C:\LOCAL_DESTINATION1_ORCL\ARCH.1_1_612194518_43F17CF5.ARC
ORA-00280: change 555611 for thread 1 is in sequence #1
ORA-00328: archived log ends at change 555483, need later change 555611
ORA-00334: archived log:
'C:\LOCAL_DESTINATION1_ORCL\ARCH.1_1_612194518_43F17CF5.ARC'
Idon't know where the change 555611 is coming from? -
Dear All,
I have a question about spfile and control file. Now I backed up database daily with spfile. And since I have set the rman configuration about "CONFIGURE CONTROLFILE AUTOBACKUP OFF;". It seems I don't have control file backup. Suppose one day, i need to recover my database from the backup and the control file is gone. Could I restore the control file from either backup(which should be the case) or spfile? Thanks in advance.
Regards,
Ke LinHi lik!
Controlfile and SPFile are two different things. Let's say the controlfile is the heart of your database. It holds the complete databasestructure. That is the path+filename of all datafiles and redologs. To loose the controlfile is a very bad thing. Becaus in that case you can't recover to the lates point in time and you have to hope that you even have an old controlfile. That means: Without controlfile no recovery!!!! The SPFile holds the instanceparameters for your instance. The loose of that is not as critical as the loose of the controfile. There are many ways to regain a SPFile. e. g. all instanceparameters used for an instancestart are listed in the alert log file. It's not very easy but you may use them to rebuild your spfile. As a conclusion I recommend you to enable CONTROFILE AUTOBACK to get a backup of control- and SPFile every time you make a databasebackup.
Hope that's what you wanna know.
yours sincerely -
Hi All,
11.2.0.1 on AIX 7.1 and Level 0 happens on every SATURDAY and L1 backup run every day.
We are using following script for level0 RMAN backup:
RUN {
SHOW ALL;
CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COMPRESSED BACKUPSET PARALLELISM 4;
CONFIGURE RETENTION POLICY TO REDUNDANCY 1;
ALLOCATE CHANNEL ch1 TYPE DISK;
ALLOCATE CHANNEL ch2 TYPE DISK;
ALLOCATE CHANNEL ch3 TYPE DISK;
ALLOCATE CHANNEL ch4 TYPE DISK;
BACKUP FORMAT '/oraclebackup/HFM11PROD/DF_L0_%d_%D%M%Y_%u_%s_%p' INCREMENTAL LEVEL 0 AS COMPRESSED BACKUPSET DATABASE TAG='LEVEL0';
BACKUP FORMAT '/oraclebackup/HFM11PROD/ARC_L0_%d_%D%M%Y_%u_%s_%p' ARCHIVELOG ALL NOT BACKED UP 2 TIMES TAG='LEVEL0';
BACKUP FORMAT '/oraclebackup/HFM11PROD/CF_L0_%d_%D%M%Y_%u_%s_%p' CURRENT CONTROLFILE TAG='LEVEL0';
BACKUP FORMAT '/oraclebackup/HFM11PROD/SP_L0_%d_%D%M%Y_%u_%s_%p' SPFILE TAG='LEVEL0';
CROSSCHECK ARCHIVELOG ALL;
DELETE NOPROMPT OBSOLETE;
RELEASE CHANNEL ch1;
RELEASE CHANNEL ch2;
RELEASE CHANNEL ch3;
RELEASE CHANNEL ch4;
}Now backup logs shows that we have backup of control file in two backup pieces : One implicitly in a backup piece DF_L0_HFM11PRD_10112012_l8npv5b6_13992_1
and other one is explicitly in CF_L0_HFM11PRD_10112012_lhnpv62e_14001_1 .
RMAN> RUN {
2> SHOW ALL;
3> CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COMPRESSED BACKUPSET PARALLELISM 4;
4> CONFIGURE RETENTION POLICY TO REDUNDANCY 1;
5> ALLOCATE CHANNEL ch1 TYPE DISK;
6> ALLOCATE CHANNEL ch2 TYPE DISK;
7> ALLOCATE CHANNEL ch3 TYPE DISK;
8> ALLOCATE CHANNEL ch4 TYPE DISK;
9> BACKUP FORMAT '/oraclebackup/HFM11PROD/DF_L0_%d_%D%M%Y_%u_%s_%p' INCREMENTAL LEVEL 0 AS COMPRESSED BACKUPSET DATABASE TAG='LEVEL0';
10> BACKUP FORMAT '/oraclebackup/HFM11PROD/ARC_L0_%d_%D%M%Y_%u_%s_%p' ARCHIVELOG ALL NOT BACKED UP 2 TIMES TAG='LEVEL0';
11> BACKUP FORMAT '/oraclebackup/HFM11PROD/CF_L0_%d_%D%M%Y_%u_%s_%p' CURRENT CONTROLFILE TAG='LEVEL0';
12> BACKUP FORMAT '/oraclebackup/HFM11PROD/SP_L0_%d_%D%M%Y_%u_%s_%p' SPFILE TAG='LEVEL0';
13> CROSSCHECK ARCHIVELOG ALL;
14> DELETE NOPROMPT OBSOLETE;
15> RELEASE CHANNEL ch1;
16> RELEASE CHANNEL ch2;
17> RELEASE CHANNEL ch3;
18> RELEASE CHANNEL ch4;
19> }
RMAN configuration parameters for database with db_unique_name HFM11PRD are:
CONFIGURE RETENTION POLICY TO REDUNDANCY 1;
CONFIGURE BACKUP OPTIMIZATION OFF; # default
CONFIGURE DEFAULT DEVICE TYPE TO DISK; # default
CONFIGURE CONTROLFILE AUTOBACKUP OFF; # default
CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO '%F'; # default
CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COMPRESSED BACKUPSET PARALLELISM 4;
CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
CONFIGURE MAXSETSIZE TO UNLIMITED; # default
CONFIGURE ENCRYPTION FOR DATABASE OFF; # default
CONFIGURE ENCRYPTION ALGORITHM 'AES128'; # default
CONFIGURE COMPRESSION ALGORITHM 'BASIC' AS OF RELEASE 'DEFAULT' OPTIMIZE FOR LOAD TRUE ; # default
CONFIGURE ARCHIVELOG DELETION POLICY TO NONE; # default
CONFIGURE SNAPSHOT CONTROLFILE NAME TO '/u01/app/orahyp_p/product/11.2/dbs/snapcf_HFM11PRD.f'; # default
old RMAN configuration parameters:
CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COMPRESSED BACKUPSET PARALLELISM 4;
new RMAN configuration parameters:
CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COMPRESSED BACKUPSET PARALLELISM 4;
new RMAN configuration parameters are successfully stored
starting full resync of recovery catalog
full resync complete
old RMAN configuration parameters:
CONFIGURE RETENTION POLICY TO REDUNDANCY 1;
new RMAN configuration parameters:
CONFIGURE RETENTION POLICY TO REDUNDANCY 1;
new RMAN configuration parameters are successfully stored
starting full resync of recovery catalog
full resync complete
allocated channel: ch1
channel ch1: SID=1210 device type=DISK
allocated channel: ch2
channel ch2: SID=1477 device type=DISK
allocated channel: ch3
channel ch3: SID=66 device type=DISK
allocated channel: ch4
channel ch4: SID=1156 device type=DISK
Starting backup at 10-NOV-12
channel ch1: starting compressed incremental level 0 datafile backup set
channel ch1: specifying datafile(s) in backup set
input datafile file number=00001 name=/u04/oradata/HFM11PRD/system01.dbf
input datafile file number=00008 name=/u04/oradata/HFM11PRD/EPM_HFM4.DBF
input datafile file number=00012 name=/u04/oradata/HFM11PRD/EPM_HFM8.DBF
input datafile file number=00017 name=/u04/oradata/HFM11PRD/EPM_HFM12.DBF
input datafile file number=00004 name=/u04/oradata/HFM11PRD/EPM_HSS1.DBF
input datafile file number=00020 name=/u04/oradata/HFM11PRD/EPM_HFM3.DBF
channel ch1: starting piece 1 at 10-NOV-12
channel ch2: starting compressed incremental level 0 datafile backup set
channel ch2: specifying datafile(s) in backup set
input datafile file number=00003 name=/u04/oradata/HFM11PRD/undots01.dbf
input datafile file number=00009 name=/u04/oradata/HFM11PRD/EPM_HFM5.DBF
input datafile file number=00013 name=/u04/oradata/HFM11PRD/EPM_HFM9.DBF
input datafile file number=00018 name=/u04/oradata/HFM11PRD/EPM_HFM13.DBF
input datafile file number=00005 name=/u04/oradata/HFM11PRD/EPM_BI1.DBF
input datafile file number=00021 name=/u04/oradata/HFM11PRD/EPM_HFM15.DBF
channel ch2: starting piece 1 at 10-NOV-12
channel ch3: starting compressed incremental level 0 datafile backup set
channel ch3: specifying datafile(s) in backup set
input datafile file number=00007 name=/u04/oradata/HFM11PRD/EPM_HFM2.DBF
input datafile file number=00011 name=/u04/oradata/HFM11PRD/EPM_HFM7.DBF
input datafile file number=00016 name=/u04/oradata/HFM11PRD/EPM_HFM11.DBF
input datafile file number=00002 name=/u04/oradata/HFM11PRD/sysaux01.dbf
input datafile file number=00022 name=/u04/oradata/HFM11PRD/EPM_HSS_new1.DBF
channel ch3: starting piece 1 at 10-NOV-12
channel ch4: starting compressed incremental level 0 datafile backup set
channel ch4: specifying datafile(s) in backup set
input datafile file number=00006 name=/u04/oradata/HFM11PRD/EPM_HFM1.DBF
input datafile file number=00010 name=/u04/oradata/HFM11PRD/EPM_HFM6.DBF
input datafile file number=00015 name=/u04/oradata/HFM11PRD/EPM_HFM10.DBF
input datafile file number=00019 name=/u04/oradata/HFM11PRD/EPM_HFM14.DBF
input datafile file number=00014 name=/u04/oradata/HFM11PRD/userdata01.dbf
channel ch4: starting piece 1 at 10-NOV-12
channel ch2: finished piece 1 at 10-NOV-12
_*piece handle=/oraclebackup/HFM11PROD/DF_L0_HFM11PRD_10112012_l8npv5b6_13992_1 tag=LEVEL0 comment=NONE*_
channel ch2: backup set complete, elapsed time: 00:10:46
channel ch2: starting compressed incremental level 0 datafile backup set
channel ch2: specifying datafile(s) in backup set
_*including current control file in backup set*channel ch2: starting piece 1 at 10-NOV-12_
channel ch2: finished piece 1 at 10-NOV-12
piece handle=/oraclebackup/HFM11PROD/DF_L0_HFM11PRD_10112012_lbnpv5vc_13995_1 tag=LEVEL0 comment=NONE
channel ch2: backup set complete, elapsed time: 00:00:01
channel ch2: starting compressed incremental level 0 datafile backup set
channel ch2: specifying datafile(s) in backup set
including current SPFILE in backup set
channel ch2: starting piece 1 at 10-NOV-12
channel ch2: finished piece 1 at 10-NOV-12
piece handle=/oraclebackup/HFM11PROD/DF_L0_HFM11PRD_10112012_lcnpv5ve_13996_1 tag=LEVEL0 comment=NONE
channel ch2: backup set complete, elapsed time: 00:00:01
channel ch1: finished piece 1 at 10-NOV-12
piece handle=/oraclebackup/HFM11PROD/DF_L0_HFM11PRD_10112012_l7npv5b6_13991_1 tag=LEVEL0 comment=NONE
channel ch1: backup set complete, elapsed time: 00:11:03
channel ch4: finished piece 1 at 10-NOV-12
piece handle=/oraclebackup/HFM11PROD/DF_L0_HFM11PRD_10112012_lanpv5b7_13994_1 tag=LEVEL0 comment=NONE
channel ch4: backup set complete, elapsed time: 00:11:32
channel ch3: finished piece 1 at 10-NOV-12
piece handle=/oraclebackup/HFM11PROD/DF_L0_HFM11PRD_10112012_l9npv5b6_13993_1 tag=LEVEL0 comment=NONE
channel ch3: backup set complete, elapsed time: 00:11:52
Finished backup at 10-NOV-12
Starting backup at 10-NOV-12
current log archived
channel ch1: starting compressed archived log backup set
channel ch1: specifying archived log(s) in backup set
input archived log thread=1 sequence=40007 RECID=40001 STAMP=798971664
input archived log thread=1 sequence=40008 RECID=40002 STAMP=798972711
input archived log thread=1 sequence=40009 RECID=40003 STAMP=798973470
input archived log thread=1 sequence=40010 RECID=40004 STAMP=798974835
input archived log thread=1 sequence=40011 RECID=40005 STAMP=798975943
channel ch1: starting piece 1 at 10-NOV-12
channel ch2: starting compressed archived log backup set
channel ch2: specifying archived log(s) in backup set
input archived log thread=1 sequence=40012 RECID=40006 STAMP=798976804
input archived log thread=1 sequence=40013 RECID=40007 STAMP=798977866
input archived log thread=1 sequence=40014 RECID=40008 STAMP=798978754
input archived log thread=1 sequence=40015 RECID=40009 STAMP=798980083
input archived log thread=1 sequence=40016 RECID=40010 STAMP=798981194
channel ch2: starting piece 1 at 10-NOV-12
channel ch3: starting compressed archived log backup set
channel ch3: specifying archived log(s) in backup set
input archived log thread=1 sequence=40017 RECID=40011 STAMP=798982283
input archived log thread=1 sequence=40018 RECID=40012 STAMP=798983171
input archived log thread=1 sequence=40019 RECID=40013 STAMP=798984077
input archived log thread=1 sequence=40020 RECID=40014 STAMP=798985146
input archived log thread=1 sequence=40021 RECID=40015 STAMP=798985212
channel ch3: starting piece 1 at 10-NOV-12
channel ch4: starting compressed archived log backup set
channel ch4: specifying archived log(s) in backup set
input archived log thread=1 sequence=40022 RECID=40016 STAMP=798985214
input archived log thread=1 sequence=40023 RECID=40017 STAMP=798985992
input archived log thread=1 sequence=40024 RECID=40018 STAMP=798987561
input archived log thread=1 sequence=40025 RECID=40019 STAMP=798988338
channel ch4: starting piece 1 at 10-NOV-12
channel ch4: finished piece 1 at 10-NOV-12
piece handle=/oraclebackup/HFM11PROD/ARC_L0_HFM11PRD_10112012_lgnpv61k_14000_1 tag=LEVEL0 comment=NONE
channel ch4: backup set complete, elapsed time: 00:00:15
channel ch1: finished piece 1 at 10-NOV-12
piece handle=/oraclebackup/HFM11PROD/ARC_L0_HFM11PRD_10112012_ldnpv61j_13997_1 tag=LEVEL0 comment=NONE
channel ch1: backup set complete, elapsed time: 00:00:26
channel ch2: finished piece 1 at 10-NOV-12
piece handle=/oraclebackup/HFM11PROD/ARC_L0_HFM11PRD_10112012_lenpv61j_13998_1 tag=LEVEL0 comment=NONE
channel ch2: backup set complete, elapsed time: 00:00:26
channel ch3: finished piece 1 at 10-NOV-12
piece handle=/oraclebackup/HFM11PROD/ARC_L0_HFM11PRD_10112012_lfnpv61j_13999_1 tag=LEVEL0 comment=NONE
channel ch3: backup set complete, elapsed time: 00:00:25
Finished backup at 10-NOV-12
Starting backup at 10-NOV-12
channel ch1: starting compressed full datafile backup set
channel ch1: specifying datafile(s) in backup set
_*including current control file in backup set*_
channel ch1: starting piece 1 at 10-NOV-12
channel ch1: finished piece 1 at 10-NOV-12
_*piece handle=/oraclebackup/HFM11PROD/CF_L0_HFM11PRD_10112012_lhnpv62e_14001_1 tag=LEVEL0 comment=NONE*_channel ch1: backup set complete, elapsed time: 00:00:01
Finished backup at 10-NOV-12
Starting backup at 10-NOV-12
channel ch1: starting compressed full datafile backup set
channel ch1: specifying datafile(s) in backup set
including current SPFILE in backup set
channel ch1: starting piece 1 at 10-NOV-12
channel ch1: finished piece 1 at 10-NOV-12
piece handle=/oraclebackup/HFM11PROD/SP_L0_HFM11PRD_10112012_linpv62i_14002_1 tag=LEVEL0 comment=NONE
channel ch1: backup set complete, elapsed time: 00:00:01
Finished backup at 10-NOV-12Following is the script of Leve 1 RMAN backup.
RUN {
SHOW ALL;
CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COMPRESSED BACKUPSET PARALLELISM 4;
ALLOCATE CHANNEL ch1 TYPE DISK;
ALLOCATE CHANNEL ch2 TYPE DISK;
ALLOCATE CHANNEL ch3 TYPE DISK;
ALLOCATE CHANNEL ch4 TYPE DISK;
BACKUP FORMAT '/oraclebackup/HFM11PROD/DF_L1_%d_%D%M%Y_%u_%s_%p' INCREMENTAL LEVEL 1 AS COMPRESSED BACKUPSET DATABASE TAG='LEVEL1';
BACKUP FORMAT '/oraclebackup/HFM11PROD/ARC_L1_%d_%D%M%Y_%u_%s_%p' ARCHIVELOG ALL NOT BACKED UP 2 TIMES TAG='LEVEL1';
CROSSCHECK ARCHIVELOG ALL;
DELETE NOPROMPT OBSOLETE;
RELEASE CHANNEL ch1;
RELEASE CHANNEL ch2;
RELEASE CHANNEL ch3;
RELEASE CHANNEL ch4;
}Following is the log from Level 1 backup which shows that it has marked the backup of control file in backup piece CF_L0_HFM11PRD_10112012_lhnpv62e_14001_1 as obsolete and deleted.
RMAN> RUN {
2> SHOW ALL;
3> CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COMPRESSED BACKUPSET PARALLELISM 4;
4> ALLOCATE CHANNEL ch1 TYPE DISK;
5> ALLOCATE CHANNEL ch2 TYPE DISK;
6> ALLOCATE CHANNEL ch3 TYPE DISK;
7> ALLOCATE CHANNEL ch4 TYPE DISK;
8> BACKUP FORMAT '/oraclebackup/HFM11PROD/DF_L1_%d_%D%M%Y_%u_%s_%p' INCREMENTAL LEVEL 1 AS COMPRESSED BACKUPSET DATABASE TAG='LEVEL1';
9> BACKUP FORMAT '/oraclebackup/HFM11PROD/ARC_L1_%d_%D%M%Y_%u_%s_%p' ARCHIVELOG ALL NOT BACKED UP 2 TIMES TAG='LEVEL1';
10> CROSSCHECK ARCHIVELOG ALL;
11> DELETE NOPROMPT OBSOLETE;
12> RELEASE CHANNEL ch1;
13> RELEASE CHANNEL ch2;
14> RELEASE CHANNEL ch3;
15> RELEASE CHANNEL ch4;
16> }
RMAN configuration parameters for database with db_unique_name HFM11PRD are:
CONFIGURE RETENTION POLICY TO REDUNDANCY 1;
CONFIGURE BACKUP OPTIMIZATION OFF; # default
CONFIGURE DEFAULT DEVICE TYPE TO DISK; # default
CONFIGURE CONTROLFILE AUTOBACKUP OFF; # default
CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO '%F'; # default
CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COMPRESSED BACKUPSET PARALLELISM 4;
CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
CONFIGURE MAXSETSIZE TO UNLIMITED; # default
CONFIGURE ENCRYPTION FOR DATABASE OFF; # default
CONFIGURE ENCRYPTION ALGORITHM 'AES128'; # default
CONFIGURE COMPRESSION ALGORITHM 'BASIC' AS OF RELEASE 'DEFAULT' OPTIMIZE FOR LOAD TRUE ; # default
CONFIGURE ARCHIVELOG DELETION POLICY TO NONE; # default
CONFIGURE SNAPSHOT CONTROLFILE NAME TO '/u01/app/orahyp_p/product/11.2/dbs/snapcf_HFM11PRD.f'; # default
old RMAN configuration parameters:
CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COMPRESSED BACKUPSET PARALLELISM 4;
new RMAN configuration parameters:
CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COMPRESSED BACKUPSET PARALLELISM 4;
new RMAN configuration parameters are successfully stored
starting full resync of recovery catalog
full resync complete
allocated channel: ch1
channel ch1: SID=1718 device type=DISK
allocated channel: ch2
channel ch2: SID=1499 device type=DISK
allocated channel: ch3
channel ch3: SID=119 device type=DISK
allocated channel: ch4
channel ch4: SID=1166 device type=DISK
Starting backup at 12-NOV-12
channel ch1: starting compressed incremental level 1 datafile backup set
channel ch1: specifying datafile(s) in backup set
input datafile file number=00001 name=/u04/oradata/HFM11PRD/system01.dbf
input datafile file number=00008 name=/u04/oradata/HFM11PRD/EPM_HFM4.DBF
input datafile file number=00012 name=/u04/oradata/HFM11PRD/EPM_HFM8.DBF
input datafile file number=00017 name=/u04/oradata/HFM11PRD/EPM_HFM12.DBF
input datafile file number=00004 name=/u04/oradata/HFM11PRD/EPM_HSS1.DBF
input datafile file number=00020 name=/u04/oradata/HFM11PRD/EPM_HFM3.DBF
channel ch1: starting piece 1 at 12-NOV-12
channel ch2: starting compressed incremental level 1 datafile backup set
channel ch2: specifying datafile(s) in backup set
input datafile file number=00003 name=/u04/oradata/HFM11PRD/undots01.dbf
input datafile file number=00009 name=/u04/oradata/HFM11PRD/EPM_HFM5.DBF
input datafile file number=00013 name=/u04/oradata/HFM11PRD/EPM_HFM9.DBF
input datafile file number=00018 name=/u04/oradata/HFM11PRD/EPM_HFM13.DBF
input datafile file number=00005 name=/u04/oradata/HFM11PRD/EPM_BI1.DBF
input datafile file number=00021 name=/u04/oradata/HFM11PRD/EPM_HFM15.DBF
channel ch2: starting piece 1 at 12-NOV-12
channel ch3: starting compressed incremental level 1 datafile backup set
channel ch3: specifying datafile(s) in backup set
input datafile file number=00007 name=/u04/oradata/HFM11PRD/EPM_HFM2.DBF
input datafile file number=00011 name=/u04/oradata/HFM11PRD/EPM_HFM7.DBF
input datafile file number=00016 name=/u04/oradata/HFM11PRD/EPM_HFM11.DBF
input datafile file number=00002 name=/u04/oradata/HFM11PRD/sysaux01.dbf
input datafile file number=00022 name=/u04/oradata/HFM11PRD/EPM_HSS_new1.DBF
channel ch3: starting piece 1 at 12-NOV-12
channel ch4: starting compressed incremental level 1 datafile backup set
channel ch4: specifying datafile(s) in backup set
input datafile file number=00006 name=/u04/oradata/HFM11PRD/EPM_HFM1.DBF
input datafile file number=00010 name=/u04/oradata/HFM11PRD/EPM_HFM6.DBF
input datafile file number=00015 name=/u04/oradata/HFM11PRD/EPM_HFM10.DBF
input datafile file number=00019 name=/u04/oradata/HFM11PRD/EPM_HFM14.DBF
input datafile file number=00014 name=/u04/oradata/HFM11PRD/userdata01.dbf
channel ch4: starting piece 1 at 12-NOV-12
channel ch1: finished piece 1 at 12-NOV-12
piece handle=/oraclebackup/HFM11PROD/DF_L1_HFM11PRD_12112012_lvnq4e3a_14015_1 tag=LEVEL1 comment=NONE
channel ch1: backup set complete, elapsed time: 00:01:36
channel ch1: starting compressed incremental level 1 datafile backup set
channel ch1: specifying datafile(s) in backup set
channel ch4: finished piece 1 at 12-NOV-12
piece handle=/oraclebackup/HFM11PROD/DF_L1_HFM11PRD_12112012_m2nq4e3a_14018_1 tag=LEVEL1 comment=NONE
channel ch4: backup set complete, elapsed time: 00:01:35
channel ch4: starting compressed incremental level 1 datafile backup set
channel ch4: specifying datafile(s) in backup set
including current SPFILE in backup set
channel ch4: starting piece 1 at 12-NOV-12
including current control file in backup set
channel ch1: starting piece 1 at 12-NOV-12
channel ch1: finished piece 1 at 12-NOV-12
piece handle=/oraclebackup/HFM11PROD/DF_L1_HFM11PRD_12112012_m3nq4e6a_14019_1 tag=LEVEL1 comment=NONE
channel ch1: backup set complete, elapsed time: 00:00:01
channel ch4: finished piece 1 at 12-NOV-12
piece handle=/oraclebackup/HFM11PROD/DF_L1_HFM11PRD_12112012_m4nq4e6a_14020_1 tag=LEVEL1 comment=NONE
channel ch4: backup set complete, elapsed time: 00:00:01
channel ch3: finished piece 1 at 12-NOV-12
piece handle=/oraclebackup/HFM11PROD/DF_L1_HFM11PRD_12112012_m1nq4e3a_14017_1 tag=LEVEL1 comment=NONE
channel ch3: backup set complete, elapsed time: 00:01:39
channel ch2: finished piece 1 at 12-NOV-12
piece handle=/oraclebackup/HFM11PROD/DF_L1_HFM11PRD_12112012_m0nq4e3a_14016_1 tag=LEVEL1 comment=NONE
channel ch2: backup set complete, elapsed time: 00:02:41
Finished backup at 12-NOV-12
Starting backup at 12-NOV-12
current log archived
channel ch1: starting compressed archived log backup set
channel ch1: specifying archived log(s) in backup set
input archived log thread=1 sequence=40201 RECID=40195 STAMP=799144567
input archived log thread=1 sequence=40202 RECID=40196 STAMP=799145383
input archived log thread=1 sequence=40203 RECID=40197 STAMP=799146296
input archived log thread=1 sequence=40204 RECID=40198 STAMP=799147040
input archived log thread=1 sequence=40205 RECID=40199 STAMP=799147640
input archived log thread=1 sequence=40206 RECID=40200 STAMP=799148271
channel ch1: starting piece 1 at 12-NOV-12
channel ch2: starting compressed archived log backup set
channel ch2: specifying archived log(s) in backup set
input archived log thread=1 sequence=40207 RECID=40201 STAMP=799149018
input archived log thread=1 sequence=40208 RECID=40202 STAMP=799150009
input archived log thread=1 sequence=40209 RECID=40203 STAMP=799150549
input archived log thread=1 sequence=40210 RECID=40204 STAMP=799151041
input archived log thread=1 sequence=40211 RECID=40205 STAMP=799151860
input archived log thread=1 sequence=40212 RECID=40206 STAMP=799152535
channel ch2: starting piece 1 at 12-NOV-12
channel ch3: starting compressed archived log backup set
channel ch3: specifying archived log(s) in backup set
input archived log thread=1 sequence=40213 RECID=40207 STAMP=799153553
input archived log thread=1 sequence=40214 RECID=40208 STAMP=799153980
input archived log thread=1 sequence=40215 RECID=40209 STAMP=799154283
input archived log thread=1 sequence=40216 RECID=40210 STAMP=799155243
input archived log thread=1 sequence=40217 RECID=40211 STAMP=799155964
input archived log thread=1 sequence=40218 RECID=40212 STAMP=799156899
channel ch3: starting piece 1 at 12-NOV-12
channel ch4: starting compressed archived log backup set
channel ch4: specifying archived log(s) in backup set
input archived log thread=1 sequence=40219 RECID=40213 STAMP=799157722
input archived log thread=1 sequence=40220 RECID=40214 STAMP=799158015
input archived log thread=1 sequence=40221 RECID=40215 STAMP=799158018
input archived log thread=1 sequence=40222 RECID=40216 STAMP=799158847
input archived log thread=1 sequence=40223 RECID=40217 STAMP=799159640
input archived log thread=1 sequence=40224 RECID=40218 STAMP=799160590
channel ch4: starting piece 1 at 12-NOV-12
channel ch4: finished piece 1 at 12-NOV-12
piece handle=/oraclebackup/HFM11PROD/ARC_L1_HFM11PRD_12112012_m8nq4e8h_14024_1 tag=LEVEL1 comment=NONE
channel ch4: backup set complete, elapsed time: 00:00:25
channel ch1: finished piece 1 at 12-NOV-12
piece handle=/oraclebackup/HFM11PROD/ARC_L1_HFM11PRD_12112012_m5nq4e8g_14021_1 tag=LEVEL1 comment=NONE
channel ch1: backup set complete, elapsed time: 00:00:36
channel ch2: finished piece 1 at 12-NOV-12
piece handle=/oraclebackup/HFM11PROD/ARC_L1_HFM11PRD_12112012_m6nq4e8g_14022_1 tag=LEVEL1 comment=NONE
channel ch2: backup set complete, elapsed time: 00:00:36
channel ch3: finished piece 1 at 12-NOV-12
piece handle=/oraclebackup/HFM11PROD/ARC_L1_HFM11PRD_12112012_m7nq4e8g_14023_1 tag=LEVEL1 comment=NONE
channel ch3: backup set complete, elapsed time: 00:00:35
Finished backup at 12-NOV-12
validation succeeded for archived log
archived log file name=/u05/oradata/HFM11PRD/HFM11PRD_402011737949656.ARC RECID=40195 STAMP=799144567
validation succeeded for archived log
archived log file name=/u05/oradata/HFM11PRD/HFM11PRD_402021737949656.ARC RECID=40196 STAMP=799145383
validation succeeded for archived log
archived log file name=/u05/oradata/HFM11PRD/HFM11PRD_402031737949656.ARC RECID=40197 STAMP=799146296
validation succeeded for archived log
archived log file name=/u05/oradata/HFM11PRD/HFM11PRD_402041737949656.ARC RECID=40198 STAMP=799147040
validation succeeded for archived log
archived log file name=/u05/oradata/HFM11PRD/HFM11PRD_402051737949656.ARC RECID=40199 STAMP=799147640
validation succeeded for archived log
archived log file name=/u05/oradata/HFM11PRD/HFM11PRD_402061737949656.ARC RECID=40200 STAMP=799148271
validation succeeded for archived log
archived log file name=/u05/oradata/HFM11PRD/HFM11PRD_402071737949656.ARC RECID=40201 STAMP=799149018
validation succeeded for archived log
archived log file name=/u05/oradata/HFM11PRD/HFM11PRD_402081737949656.ARC RECID=40202 STAMP=799150009
validation succeeded for archived log
archived log file name=/u05/oradata/HFM11PRD/HFM11PRD_402091737949656.ARC RECID=40203 STAMP=799150549
validation succeeded for archived log
archived log file name=/u05/oradata/HFM11PRD/HFM11PRD_402101737949656.ARC RECID=40204 STAMP=799151041
validation succeeded for archived log
archived log file name=/u05/oradata/HFM11PRD/HFM11PRD_402111737949656.ARC RECID=40205 STAMP=799151860
validation succeeded for archived log
archived log file name=/u05/oradata/HFM11PRD/HFM11PRD_402121737949656.ARC RECID=40206 STAMP=799152535
validation succeeded for archived log
archived log file name=/u05/oradata/HFM11PRD/HFM11PRD_402131737949656.ARC RECID=40207 STAMP=799153553
validation succeeded for archived log
archived log file name=/u05/oradata/HFM11PRD/HFM11PRD_402141737949656.ARC RECID=40208 STAMP=799153980
validation succeeded for archived log
archived log file name=/u05/oradata/HFM11PRD/HFM11PRD_402151737949656.ARC RECID=40209 STAMP=799154283
validation succeeded for archived log
archived log file name=/u05/oradata/HFM11PRD/HFM11PRD_402161737949656.ARC RECID=40210 STAMP=799155243
validation succeeded for archived log
archived log file name=/u05/oradata/HFM11PRD/HFM11PRD_402171737949656.ARC RECID=40211 STAMP=799155964
validation succeeded for archived log
archived log file name=/u05/oradata/HFM11PRD/HFM11PRD_402181737949656.ARC RECID=40212 STAMP=799156899
validation succeeded for archived log
archived log file name=/u05/oradata/HFM11PRD/HFM11PRD_402191737949656.ARC RECID=40213 STAMP=799157722
validation succeeded for archived log
archived log file name=/u05/oradata/HFM11PRD/HFM11PRD_402201737949656.ARC RECID=40214 STAMP=799158015
validation succeeded for archived log
archived log file name=/u05/oradata/HFM11PRD/HFM11PRD_402211737949656.ARC RECID=40215 STAMP=799158018
validation succeeded for archived log
archived log file name=/u05/oradata/HFM11PRD/HFM11PRD_402221737949656.ARC RECID=40216 STAMP=799158847
validation succeeded for archived log
archived log file name=/u05/oradata/HFM11PRD/HFM11PRD_402231737949656.ARC RECID=40217 STAMP=799159640
validation succeeded for archived log
archived log file name=/u05/oradata/HFM11PRD/HFM11PRD_402241737949656.ARC RECID=40218 STAMP=799160590
Crosschecked 24 objects
RMAN retention policy will be applied to the command
RMAN retention policy is set to redundancy 1
Deleting the following obsolete backups and copies:
Type Key Completion Time Filename/Handle
Backup Set 18521832 10-NOV-12
Backup Piece 18521838 10-NOV-12 /oraclebackup/HFM11PROD/CF_L0_HFM11PRD_10112012_lhnpv62e_14001_1
Backup Set 18521846 10-NOV-12
Backup Piece 18521848 10-NOV-12 /oraclebackup/HFM11PROD/SP_L0_HFM11PRD_10112012_linpv62i_14002_1
deleted backup piece
backup piece handle=/oraclebackup/HFM11PROD/CF_L0_HFM11PRD_10112012_lhnpv62e_14001_1 RECID=14000 STAMP=798988367
deleted backup piece
backup piece handle=/oraclebackup/HFM11PROD/SP_L0_HFM11PRD_10112012_linpv62i_14002_1 RECID=14001 STAMP=798988370
Deleted 2 objects
released channel: ch1
released channel: ch2
released channel: ch3
released channel: ch4
RMAN> exit;Now, on Friday when i am trying to do a restore for this database on another server i am getting error as below. Restore script is as below.
run
allocate AUXILIARY channel c1 device type disk;
allocate AUXILIARY channel c2 device type disk;
allocate AUXILIARY channel c3 device type disk;
allocate AUXILIARY channel c4 device type disk;
set until scn 699575816;
duplicate target database to HFM11TMP;
release channel c1;
release channel c2;
release channel c3;
release channel c4;
}Error is as:
sql clone "alter system set db_unique_name =
''HFM11TMP'' comment=
''Modified by RMAN duplicate'' scope=spfile";
shutdown clone immediate;
startup clone force nomount
restore clone primary controlfile;
alter clone database mount;
executing Memory Script
executing command: SET until clause
sql statement: alter system set db_name = ''HFM11PRD'' comment= ''Modified by RMAN duplicate'' scope=spfile
sql statement: alter system set db_unique_name = ''HFM11TMP'' comment= ''Modified by RMAN duplicate'' scope=spfile
Oracle instance shut down
Oracle instance started
Total System Global Area 4275781632 bytes
Fixed Size 2213632 bytes
Variable Size 2298480896 bytes
Database Buffers 1962934272 bytes
Redo Buffers 12152832 bytes
allocated channel: c1
channel c1: SID=112 device type=DISK
Starting restore at 06-NOV-12
released channel: c1
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of Duplicate Db command at 11/06/2012 15:13:32
RMAN-03015: error occurred in stored script Memory Script
RMAN-06026: some targets not found - aborting restore
RMAN-06024: no backup or copy of the control file found to restoreRMAN is searching for backup of controlfile in backup piece CF_L0_HFM11PRD_10112012_lhnpv62e_14001_1. But this has been already obsolete.
Now, if it not possible to get above backup piece back, then how to proceed with restore with backup piece DF_L0_HFM11PRD_10112012_l8npv5b6_13992_1 as it also has control file backup and available on disk, not obsolete. I can understand the reason for marking CF* file as obsolete because of redundency 1. But how to proceed with restore with available backup ?Hello;
I would change my configure for one :
RMAN>CONFIGURE CONTROLFILE AUTOBACKUP ON;Would use this to check :
list backup of controlfile completed before <date>And would catalog everything again just to be sure before starting the restore.
You may have to catalog use the control file piece to avoid the error.
RMAN> catalog backuppiece ...Another idea is to test the restore using something like this :
RMAN> run {
set until time "to_date('2012 NOV 17 07:00','YYYY MON DD HH24:MI')";
restore controlfile preview;
}Best Regards
mseberg
Edited by: mseberg on Nov 16, 2012 10:12 AM
Edited by: mseberg on Nov 16, 2012 11:13 AM -
Creating a control file copy with ASM
Configuration is Oracle 10.2, RAC, and ASM (Automatic Storage Management). I would like to create a second copy of the control file.
If this wasn't ASM, I could just bring down the database, copy the control file using an operating system command, modify the pfile to reference both the original and new copy, and then restart the database.
Since this is ASM, I cannot use an operating system command to copy the control file, and RMAN "BACKUP" (which is the only way I know to make a copy of the control file) will only work if the database is up. When I "restore" the control file using RMAN and change the pfile to reference both control files I get a message like the following when attempting to start the database:
ORA-00214: control file '+ASMGROUP1/db1/controlfile/current.271.566646845'
version 2241 inconsistent with file
'+ASMGROUP1/db1/controlfile/current.268.566661765' version 2236
Soooooo, how do I make and implement a second copy of a control file using ASM.
ThanksHi.
This is not testet so presede with caution as it is meant as a discussion ;-)
As I see it there is no logical way to extend the instance by adding a controlfile.
The following procedure might work (has not been tested)
I think you have to make a controlfilebackup with the database closed in normal mode using RMAN.
Further you might be able to edit the pfile with create pfile from spfile and further create spfile from pfile. Extending the controlfile parameter to represent number and names of controlfile needed.
With this done, the database is closed normal with a controlfile copy presented somewhere on the filesystem.
startup mount;
restore controlfile from '<backup controlfile location>'
alter database mount;
alter database open;
Any thoughts about this procedure guys?
Rgds
Kjell Ove -
Hi
My database is running on solaris 10. database verrison is 10.2.0.3.0
when connecting ot db after databases get started. it throws error
ORA-00205: error in identifying control file, check alert log for more info
and when I checked in alert log file
Thu Dec 25 18:39:04 2008
Errors in file /testdb/..n/../admin/../udump/mft_ora_7988.trc:
ORA-19502: write error on file "/oradb/../../arch/arch1_2162_623164752_MFT.log", blockno 30721 (blocksize=512)
ORA-27063: number of bytes read/written is incorrect
after browsing google I infer that we lost control file.
I dont have it backup
how do i recover it
Thanks in advance.Do you have backup control file or auto backup control file by rman or not.
If you have backup, try recover controlfile from rman backup( you should know DBID).
Anyway If you don't have rman backup. so recreate controlfile (if you have backup control file to trace, you can use it):
1. Take a full backup of the database, including all datafiles and redo
log files.
2. Connect / as sysdba or as sys user and do a STARTUP NOMOUNT.
3. Issue the CREATE CONTROLFILE statement.
More information on Oracle.
http://www.oracle.com/pls/db102/homepage
Example:
CREATE CONTROLFILE REUSE DATABASE "TESTDB" NORESETLOGS NOARCHIVELOG
MAXLOGFILES 50
MAXLOGMEMBERS 3
MAXDATAFILES 300
MAXINSTANCES 8
MAXLOGHISTORY 500
LOGFILE
GROUP 1 '/oradata/testdb/log1.dbf' SIZE 100M,
GROUP 2 '/oradata/testdb/log2.dbf' SIZE 100M,
GROUP 3 '/oradata/testdb/log3.dbf' SIZE 100M
DATAFILE
'/oradata/testdb/system01.dbf' SIZE 400M,
'/oradata/testdb/sysaux01.dbf' SIZE 500M,
'/oradata/testdb/undotbs01.dbf' SIZE 100M ;
4. Perform media recovery on the database.
RECOVER DATABASE
5. Open the database.
ALTER DATABASE OPEN;
Good Luck.
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