How to Recover database from old backup and full archive log file

Hi Oracle expert!
I met problem when restore my oracle database.
In my case:
- My database version: 10.2.0.2
- I have a database full backup (01-Nov)
- I have all Archived log file from (01-Nov -> 05-Nov)
- My database drop in 05-Nov with disk error (no datafile, no redo..).
- I have no any RMAN backup from (01-Nov -> 05-Nov)
How can i restore my database to 05-Nov?
Thanks

user10280724 wrote:
Hi Chinar.
When i used RMAN flow as your step, but i met the problem!
- After recover database i select sequence#, applied from v$archived_log;
--> it apply newest archived log that i had.
- but when I select Data from table created between 01-Nov to 05-Nov, it not found!
Not the same way the step:
SQL> RECOVER DATABASE USING BACKUP CONTROLFILE UNTIL CANCEL?
It apply newest the same archived log i had table created between 01-Nov to 05-Nov.
How can i do with RMAN to recover my table?That is not possible,if your all available archive logs applied using rman or through sqlplus(recover database using backup controlfile until cancel) and one of these logs contain your table then there are not any problems.So there are not any difference between recovery using rman and user managed(using sqlplus),but there main matter is applying all archive logs.So first check through rman list copy of archivelog all or list backup of archivelog all and identify there in rman repository is any information or not about these logs.

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Recover database from cold backup and add ol archivelogs....

Hello!
Scenarion : I have create in 1 january cold backup of my database. I have from 1 to 4 January all archive logs generated by my database. My database gone in 4 January.
Solution question : How can i restore database using cold backup a than add info from archivelogs to recovered database to do database consist from disaster day.
Regards... Marcin

1. Kill current instance with SHUTDOWN ABORT.
2. Copy all control files and data files from your cold backup to original destination.
3. Make sure all archived redo logs from 01-JAN to 04-JAN are available in the database archive destination (LOG_ARCHIVE_DEST or LOG_ARCHIVE_DEST_x).
4. Run as SYSDBA:
startup mount
recover database using backup controlfile until cancel;When prompted for something like
ORA-00279: change 864868 generated at 01/14/2010 09:30:10 needed for thread 1
ORA-00289: suggestion :
C:\ORACLEXE\APP\ORACLE\FLASH_RECOVERY_AREA\XE\ARCHIVELOG\2010_01_15\O1_MF_1_22_%
U_.ARC
ORA-00280: change 864868 for thread 1 is in sequence #22enter:
AUTOWhen you get something like:
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%U_.ARC'
ORA-27041: unable to open file
OSD-04002: ouverture impossible du fichier
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alter database open resetlogs;

Is RMAN only way to take backup and delete Archive Logs?

On primary db:
===============
OS: Windows 2003 server 32-bit
Oracle: Oracle 10g (10.2.0.1.0) R2 32-bit
On Physical standby db:
===============
OS: Windows 2003 server 32-bit
Oracle: Oracle 10g (10.2.0.1.0) R2 32-bit
Data Guard just configured. Archive Logs are properly being shipped to standby db. Is RMAN only way to take backup and delete Archive Logs from both primary and standby db? What other command can be used?
Thanks

No, but anything else is way more work. Without using RMAN you would have to find another way to keep track of applied logs.
RMAN make this very simple :
RMAN> CONFIGURE ARCHIVELOG DELETION POLICY TO APPLIED ON ALL STANDBY;Using another method would be like using the handle of your screwdriver as a hammer.
See "RMAN Recipes for Oracle Database 11g" ISBN 978-1-5959-851-1
Best Regards
mseberg

New iPhone restore from old backup and lost new photos

Hi there
I recently got a iphone 5 and from the excitement of seeing Obama in cape town, took pictures of his speech and even recorded my friends shaking his hand and have brief converstaions. Now when i connected the new phone into my mac, itunes requested a restore from old backup. So agreed, not knowing that all the new photos / movies of the US president would be deleted!!!
Can i reftieve them or not. and why doenst Apple provide such informaition to users for new restorations?
Please help!

eh2756 wrote:
Same problem. My wife lost her iPhone 3Gs while on vacation. Purchased iPhone 5 on the trip and took pictures with it. When we got back home I clicked restore from a previous backup and all the pictures disappeared.
I wonder if Apple is reading this thread. ?????????
NO... What did you expect the phone to do when you restore from a backup.
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All,
I need to recover the datafile 2 which is for undo tablespace and it is in recover state and i need to recover the data files now .
But the bad thing is We dont have backup at all and we dont have archive logs (Archive log disabled in the database)...
In this situation how can i recover the datafile ...?
SQL> select a.file#,a.name,a.status from v$datafile a,v$tablespace b where a.ts#=b.ts#;
FILE# NAME STATUS
1 /export/home/oracle/flexcube/product/10.2.0/db_1/oradata/bwfcc73/system01.dbf SYSTEM
*2 /export/home/oracle/logs/bw/undotbs01.dbf RECOVER*
3 /export/home/oracle/flexcube/product/10.2.0/db_1/oradata/bwfcc73/sysaux01.dbf ONLINE
4 /export/home/oracle/datafiles/bw/bwfcc73.dbf ONLINE
5 /export/home/oracle/datafiles/bw/bwfcc73_01.dbf ONLINE
SQL> archive log list;
Database log mode No Archive Mode
Automatic archival Disabled
Archive destination USE_DB_RECOVERY_FILE_DEST
Oldest online log sequence 4940
Current log sequence 4942

Hi,
First of all you must Open a ticket with oracle Support and explore the options
You can use this note to fix it:
RECOVERING FROM A LOST DATAFILE IN A UNDO TABLESPACE [ID 1013221.6]
If you is Unable to Drop Undo tablespace Since Undo Segment is in Needs Recovery
You can Upload the following trace file while opening the ticket
SQL>Alter session set tracefile_identifier='corrupt';
SQL>Alter system dump undo header "<new of undo segment in recover status>";
Go to udump
ls -lrt *corrupt*
Upload this trace file
Also upload the alert log fileRegards,
Levi Pereira
Edited by: Levi Pereira on Nov 29, 2011 1:58 PM

Trying to Recover Data From Old Backup Exec Tapes

I have been tasked with recovering data from an old Windows XP machine with an HP C1537A DDS3 tape drive. The machine used Backup Exec to create the tapes. In trying to recover the data I constantly get an error that says the data on the tape is inconsistent. I tried to run the HP analysis utility but it said the error log of the drive was full and it would be necessary to do a firmware load to clear it. I therefore loaded the lastest firmware.
I ran the HP analysis utilities using one of the tapes as a scratch tape (to write over):
Test 'DDS Drive Assessment Test' started on device 'HP C1537A' at address '6/0.0.0'
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Saberman,
Have you tried the Enterprise/Business forum for this? I doubt anyone here on the consumer section will be able to help you with Tape Storage.
Here is the link to the Tape section of the forum.
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Hi All,
RMAN Version : 10.2.0.4
Repository Version : 10.2.0.4
OS : AIX 6.1
Target Database : 10.2.0.4
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what if, i want to duplicate/restore backup which is older then 10days and which is marked obsoleted & deleted from RMAN repository but available on tape ?
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run
crosscheck backup;
DELETE NOPROMPT EXPIRED BACKUP;
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}Script to duplicate the database:
run
allocate channel DSK1 type DISK;
allocate auxiliary channel DSK2 type DISK;
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CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 10 DAYS;
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CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
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CONFIGURE ENCRYPTION FOR DATABASE OFF; # default
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Thanks for quick response...
Again one question.....
Since i have deleted the obsolete backups, that means this information is also gone from RMAN repository too.
Here is the Scenario:
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How to recover information from old sync account?

HDD died on me, but I didn't think it much of a problem, as I just thought I'd pair the new installation with my android phone. However, I should have noticed much earlier that there are new sync accounts, and migrated to them. Now I can access all tabs, passwords and so on from my phone, but cannot pair them up with the new installation. And, while the old drive does allow some amount of reading, C: is completely untouchable, so I cannot do a normal backup and restore of the profile.
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Windows doesn't even recognize the old disk, xubuntu helped me recover some of the data partition, but C: was completely corrupted. Tried my best there.
Installing an old version of firefox did work, however, as I've saved my recovery key in a safe place. This way I've recovered bookmarks, preferences, at least most of my old tabs (not all, strangely), and, most importantly, the history, so I will just call this a job well done.
Thanks for the answer, and for the tip about Android; that certainly saved me some headache before I figure it out myself.

Oracle Restore from Online backup without any archive logs

Hi,
May be a dumb question. If I have a good online backup (say it took 2 hours to do that. And there is database activity while backup is going on), and lost all the archive logs happened after the online backup, is it possible at all to do the restore using that backup? complete or incomplete? and bring back the database to normal operation mode? Some details on this.
Thanks.

Let us see the reasoning behind this.
Database:WORLDDB
WORLDDB configuration:-
TBSP_WDB
->TBSP_WDB_01.dbf
->TBSP_WDB_02.dbf
SYSTEM
->SYSTEM.dbf
USERS
and so on for the tablespaces.
CASE 1:-
User managed backup.
You issue
ALTER TABLESPACE TBSP_WDB BEGIN BACKUP;
DB keeps working all transactions are recorded in the redo stream, the scn information is not updated in the file header.
Also note that the other tablespaces were been continuously worked on hence their scn numbers are a moving target.
http://download-east.oracle.com/docs/cd/B10501_01/server.920/a96572/osbackups.htm#10012
So if you begin tablespace TBSP_WDB backup at time t1 and by the time you are done with your backups you are at time t2, you will need all of the archive log's between time t1 and t2.
CASE 2:-
If we do with rman, rman takes care of the file header update information and goes on its merry way, those details are hidden from the end user. If one of the tablespace is fractured, updated while backups are going on , rman knows about it and will re-read the affected blocks in question.
My thinking would be that you might need archive logs, unless it is a cold backup, with switch logfiles in between.
If you do hot backups you need archivelogs is my thought. The number of archivelogs required will be decreased considerably through rman.
http://download-east.oracle.com/docs/cd/B10501_01/server.920/a96566/rcmconc1.htm#458821
Summary:-
Either way archivelogs are needed.

How to send output from SQL script to the specified log file (not *.sql)

## 1 -I write sql command into sql file
echo "SELECT * FROM DBA_USERS;">results.sql
echo "quit;">>results.sql
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$ cat results.sql
set pages 9999
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create a database of
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shutdown the server (Stop)
swap in the old mdf file (replace new .mdf file with .mdf file to be recovered )
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This is a issue I had to fix and it's solution listed here for your reference(I gathered all the In-formations by surfing web)

Interesting, did you get any errors trying to attach the .mdf file?
Best Regards,Uri Dimant SQL Server MVP,
http://sqlblog.com/blogs/uri_dimant/
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How to transfer music from old computer and itunes to new computer itunes

How can i get all my music off my old windows xp version with itunes to my new vista with itunes

I wonder if you might know how to answer this somewhat related question: I, unfortunately, copied my iTunes music library onto an external hard drive before I read about the consolidating option. Stupidly, I then did the consolidation. Now I have each song listed twice in my library and one of each is an orphan, so I have to manually locate each one. That's a lot of music! Is there a way to undo my stupidity?

How to restrict users from printing documents and exporting to local file

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pe_result = 5.
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Hope this helps you.
Rgds,
Raghu

How to recover the database when some of the archive log file get deleted.

I am facing a problem with Oracle database, which is related to archivelogs.
Our development database is running in archivelog mode, but we don't have backups scheduled and have no recovery catalog.
When the database was in running condition, disk got full, so some archivelogs were deleted manually.
After this they restarted the DB, and now DB is not coming up. Errors are as follows:
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ORACLE instance started.
Total System Global Area 1444383504 bytes
Fixed Size 731920 bytes
Variable Size 486539264 bytes
Database Buffers 956301312 bytes
Redo Buffers 811008 bytes
Database mounted.
ORA-01589: must use RESETLOGS or NORESETLOGS option for database open
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alter database open resetlogs
ERROR at line 1:
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ORA-01110: data file 1: '/export/home/oracle/dev/ADVFRW/ADVFRW.system'
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ORA-00283: recovery session canceled due to errors
ORA-01610: recovery using the BACKUP CONTROLFILE option must be done
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ORA-00279: change 215548705 generated at 09/02/2008 17:06:10 needed for thread
1
ORA-00289: suggestion :
/export/home/oracle/dev/ADVFRW/ADVFRW.archivelog1/LOG_ADVFRW_1107_1.ARC
ORA-00280: change 215548705 for thread 1 is in sequence #1107
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/export/home/oracle/dev/ADVFRW/ADVFRW.archivelog1/LOG_ADVFRW_1107_1.ARC
ORA-00308: cannot open archived log
'/export/home/oracle/dev/ADVFRW/ADVFRW.archivelog1/LOG_ADVFRW_1107_1.ARC'
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Additional information: 3
Specify log: {<RET>=suggested | filename | AUTO | CANCEL}
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Media recovery cancelled.
SQL>
1. How to recover the database and bring it online
Any help will be highly appreciated.
With Regards
Hemant Joshi
Edited by: hem_Kec on Sep 7, 2008 9:07 AM

Hi,
Archive log files are the copies of redolog files.As redo log files are circularly overwritten,oracle generates archive log file of the corresponding redo logfiles being overwritten.So if you have a backup that dates back to 10 am in the morning and if your database creashed at 3 pm,you cannot use the redo log files alone as they have incomplete information.To completely recover the database upto 3 pm,you need archive log files generated between 10 am to 3 pm. In your case since you are missing one archive log file,you cannot perform complete recovery and hence would suffer data loss.

Recover database using cold backup

Hi All,
One of the table is delete by one of our DBA from PROD accidentally. We have a cold backup on one day before.
Now we are trying to restore it from the cold backup. PROD DB is in archivelog and all the archive is in tact.
The table got truncated today at 8 PM. Can we apply the database till 8 PM so that we can restore the truncated table using cold backup.
Please find the below steps which we are using to restore.
creating controlfile
starting the db in mount state
recover database;
Will it ask for latest archive log when we try to recover it.
ENV details -
DB - 11.2.0.1
Please suggest.
Thanks

Hi,
If you have doubts about the procedure to use to restore a backup to a point in time, then please take a look at the documentation first: Performing Flashback and Database Point-in-Time Recovery - 11g Release 2 (11.2)
After you specify the time when the recovery must end (UNTIL clause in rman), then the RECOVER command will try to use the archivelogs needed.
Before starting with this PITR operation, you should check if your database has flashback active, because it will be much easier to recover using it.
This is also explained on the same document linked above.
Regards.
Nelson

How to Recover database from old backup and full archive log file

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