Full && Differential Restore
Aug 28, 2007
Hi All,
I am trying to restore full backup in Sql Server 2005. I am using the following query to restore full backup.
"Restore database Testdb from Disk = 'C:Testdbfull.bak'
with move 'Testdb' to 'C:DBTestdb.mdf ',
move 'Testdb_log' to 'C:DBTestdb_log.ldf ', norecovery "
The above query is running successfully and database restored. But i am not able to access this database since in the database tab it is showing 'Testdb (Restoring)'
The next day I want to restore the differential database backup so i used the 'norecovery' statement.
please help why it is showing as '(Restoring)'
Thanks in advance,
Senthil
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Sep 13, 2006
I am running the following script to attempt a restore of a differential backup:
RESTORE DATABASE AdventureWorks
FROM DISK='C:SQL2005_BackupsAutoBackupsAdventureWorks.bak'
WITH
NORECOVERY
GO
RESTORE DATABASE AdventureWorks
FROM DISK='C:SQL2005_BackupsAutoBackupsAdventureWorksDiff.bak'
WITH RECOVERY
GO
I thought this was the way to do it. It does restore the full backup, but on the attempt to restore the differential backup, I get the following error:
Msg 3136, Level 16, State 1, Line 1
This differential backup cannot be restored because the database has not been restored to the correct earlier state.
Msg 3013, Level 16, State 1, Line 1
RESTORE DATABASE is terminating abnormally.
Does anyone know what this means? Do I have to use "with recovery" on the first restore? (The sample I took this from used "with norecovery")
The original backups were done with SQL Agent scheduled jobs. The script for the full backup is:
BACKUP DATABASE AdventureWorks
TO DISK='C:SQL2005_BackupsAutoBackupsAdventureWorks.bak'
The script for the differential backup is:
BACKUP DATABASE AdventureWorks
TO DISK='C:SQL2005_BackupsAutoBackupsAdventureWorksDiff.bak'
WITH DIFFERENTIAL, INIT
All I can say is, it's a good thing I am testing this out with non-critical data, because I obviously don't know what I am doing. (Sorry, I'm primarily a programmer, not a DBA) Can anyone help?
Thanks
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Jan 11, 2001
PLEASE HELP...
WE ARE DOWNLOADING THE BACKUP FILE FROM OTHER BRANCH OFFICE AND THE FILE SIZE IS GROWING LIKE HELL SO I AM CHANGING THE BACKUP POLICY TO DOWNLOAD THE DIFFERENTIAL BACKUP FILES EVERYDAY. BUT EVEN THE FILE SIZE GROWS DAY BY DAY UNTILL WE TAKE THE FULL BACKUP THERE. SO I WANT TO TAKE A DIIFERNETIAL BACKUP AND THEN IMMIDIATELY A FULL BACKUP AT THE REMOTE SERVER END. SO MY NEXT DIFFERNTIAL BACKUP WILL HAVE THE DATA OF ONLY PREVIOUS DAY.
FOR THIS I AM SCHEDULING A JOB WHICH FIRST TAKES A DIFFERENTIAL BACKUP AND THEN IMMIDIATELY FULL BACKUP EVERYDAY AT 12.00AM.
BUT I HAVE A CONCERN.. WHILE TAKING THE DIFFERENTIAL BACKUP ANY TRANSACTIONS THAT ARE TO BE COMMITED WILL NOT COMMIT UNTIL THE DIFFERENTIAL BACKUP COMPLETES. BUT IMMIDIATELY I AM STARTING FULL BACKUP. IS THERE ANY CHANCE THAT A TRANSACTION GETTING COMMITTED IN BETWEEN THESE TWO STEPS. IF SO IS THERE ANY WAY .. NOT RELEASE THE DATABASE UNTILL THESE 2 BACKUPS ARE COMPLETED?? I AM RUNNING IT AS A JOB..
ANY SUGGESTION??
THANKS IN ADVANCE.. :-)
KUMAR
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Mar 28, 2007
Does the full and differential backups have to be in the same location or can I do a once a week full backup on one drive and everyday differential backups on a different drive?
Thanks
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Feb 6, 2008
Windows Server 2003R2 w/ Sp2
MS SQL 2005 w/ Sp1
Currently run a weekly (full) backup and a daily (differential) backup.
When I format the server and rebuild I restored the DB using the weekly (full) backup and all worked as it should.
When I format the server and rebuild I attempted to restore the DB using the daily (differential) backup - I got the following error:
'SPCDBDIF.BAK ' is not part of a multiple family media set. BACKUP WITH FORMAT can be used to form a new media set. RESTORE HEADERONLY is terminating abnormally. (MS SQL Server, Error: 3259)
I am sure I am not using the differential file properly. What is the proper method to restore a DB and use a differential backup?
Any insight appreciated.
Thanks,
Kerry
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May 12, 2008
Hi sql server experts.
This is a beginners question.
Let's say, I run a full backup at 4:30 am it takes usually 35 minutes to finish.
I want to schedule a differential backup to run every hour.
Should I start this job at 5:10 after the full backup finishes? or it doesn't matter?
I am confused about timing.
Let's say my full back up takes 1 hour to finish, that means that when the differential backup runs the full backup will be still running, so in case I need to restore the database, can I use this differential from 5:10 or the differential from 6:10.
Same issue with the transactional, the job runs every 30 minutes, should I started after the differential is done?
I am so confused, what happens with the backups jobs that run while other backups are running?
Is this something that should never happen.
Please advise.
Thanks
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Nov 25, 2007
Scenario: -
1. Full db backup
2. Database failure (delete all data)
3. Differential db backup (after 3 hour of db failure)
When i restore full db followed by the differential db backup, it only remains the differential db data.I do not have transaction log backup so that i can restore to the point.
What can i do to restore db that can have full backup and differential backup data?
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Oct 8, 2006
I create a full backup followed by daily differential backup, when I restore database from the fifth or later differential item, I get the following Error Message:
System.Data.SqlClient.SqlError: This differential backup cannot be restored because the database has not been restored to the earlier state. (Microsoft.SqlServer.Smo)
It seems that there is an error when the fifth differential backup occurred, It's a disaster, how can I do, help!
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Apr 27, 2006
Hello All,
I'm new to this forum after read a few question error it given me little bit more understanding. But here's my problem I was create a database implement some tables than make a 'Full Backup' and input information on the table before make a 'Differential Backup'. I don't want restore a full database and just want to recovery specific table were deleted or removed. Please help........
Message show error:
Restore failed for Server 'SALES18'. (Microsoft.SqlServer.Smo)
Additional information:
System.Data.SqlClient.SqlError: The log or differential backup cannot be restored because no files are ready to rollforward.
Thank you very much.
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Jul 23, 2005
My company needs to move a 30 Gig SQL Server across the country as soonas possble on July 1. Turns out moving the full db across the networktakes a few hours.I'd like to move a full copy of db a week ahead of time, and then justmove either a differential backup(s) or transaction log with with theweek's new data on July 1.Can anyone suggest the best strategy for doing this? Currently we'redoing a differential backup each hour on the db, and dumping the txnlog each night.Many thanks,Burt
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Sep 11, 2007
I want to set a full and differential backup to one database in sql server 2000.
Is there a way to set both full and differential to just one database.
i want the full backup weekly once and differential every day to set up.
Please let me know
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Jun 29, 2007
Hi,
After some advice - I have a SQL Server 2005 database which is part
of an anti-virus setup. The main database is 25Gb is size, and it
is running in simple recovery mode. There are two backup jobs in
place, one to do a differential backup each Mon-Sat, and one to
do a full backup on Sun. Although the backups do get done they
are taking 5 hours to do. Any wiz out there care to suggest what
the problem is, I would've though that maybe an hour was more
acceptable ?
Cheers,
Gordon
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Jul 19, 2007
We are doing the following steps:-
1. Weekly Full Bckup
2.Daily Differential backup
3.hr Log back up
The following command works fine for all the Backups. it means backup file is fine.
RESTORE FILELISTONLY from DISK = 'D:BackupewDB_ full.BAK'
RESTORE HEADERONLY FROM DISK = 'D:BackupewDB_ ull.BAK'
RESTORE LABELONLY FROM DISK = 'D:BackupewTest_full.BAK'
RESTORE VERIFYONLY FROM DISK = 'D:BackupewTest_full.BAK'
Also The full back up restoration works fine:
RESTORE DATABASE Test3 FROM DISK = 'D:BackupewTest_full.BAK'
WITH MOVE 'Test2_Data' TO 'F:MSSQL2KMSSQLdataTest2Net_Data.MDF',
MOVE 'Test2_Log' TO 'F:MSSQL2KMSSQLdataTest2Net_Log.LDF',
NORECOVERY
GO
/* RESULT :
Processed 1032 pages for database 'Test3', file 'test2_Data' on file 1.
Processed 1 pages for database 'Test3', file 'test2_Log' on file 1.
RESTORE DATABASE successfully processed 1033 pages in 1.907 seconds (4.433 MB/sec).
*/
But While restoring the Differential file it throws error:
RESTORE DATABASE Test3 from DISK = 'D:Backupew est2_Diff1.bak'
WITH NORECOVERY
GO
Msg 3136, Level 16, State 0, Line 1
Cannot apply the backup on device 'D:Backupew est2_Diff1.bak' to database 'Test3'.
Msg 3013, Level 16, State 1, Line 1
RESTORE DATABASE is terminating abnormally.
I checked the SQL Server Log no error msg corresponding Differential backup restore.
I don't know how to proceed further.Can any one guide me how to over come this..
Thanks !
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Feb 25, 2015
We have a 1TB Database. Our backup strategy looks like this.
Weekly Full backups - Saturday 10pm. (Takes anywhere between 5 - 9 hours)
twice Nightly Diffs (8:30p and 2:30am - Mid week this takes roughly 1.5 hours)
Hourly Log backups starting at 4:00am until 11pm.
I have an issue where I need to restore to 3:00 today. If my (2:30a)Diff is still running at that recovery point.
I am getting an error when trying to restore Full/2:30a Diff/4a Log with a stopat 3:00a.
Error telling me my log backup is incorrectly formed.
Can I, in fact, restore to this point at all? Do I need to go back to my previous Diff (8:30p) and restore the logs, if so, which ones?
My nighttime Diff ran from 8:30 - 10p.
I have logs at 9p, 10p, 11p, 4a
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Aug 17, 2007
I have done a full backup on 3pm, and a differential backup on everyday 5pm.
I try to restore it back in my testing server and i encounter the problem in restoring the File3 and i try to restore the File 2 and it is okie. Can i know wat is the problem usually cause this error? Thank you
File 1: Full Backup
File 2: Differential Backup
File 3: Differential Backup
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Feb 19, 2015
Using Ola Hallengren's scripts I do a full backup of a database on a Sunday. Then differential backups every 6 hours and log backups every hour. I would like to keep a full week of backups based off the full backup done on Sunday. Is there a way for me to clear out the diff and log folders after the successful full backup on Sunday nights?
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Nov 16, 2015
I have a database that is just over 1.5GB and the Full backup that is 13GB not sure how this is since we have compression on for full backups and my other full backups are much smaller than there respective databases...Now my full backup is taken every Sunday night and the differentials are taken every 6 hours after the full backup. Now I have been thrown into this DBA role with little to no experience just what I have picked up and read. So my understanding of backups are limited but what I think I understand is that we take a full backup and the differential only captures what changes in the database so my question is why is my database 1.5GB but my differential is 15.4GB? I have others database that are on the same instance and don't seem to have this problem. I also just noticed that we do not rebuild the index before a full backup like we do on other instances...
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Jul 19, 2007
Hi
I am using the Simple recovery model and I'm taking a weekly full backup each Monday morning with differentials taken every 4 hours during the day.
On Wednesday afternoon, a programmer ran a process that corrupted the db and I had to restore to the most recent differential. It was 5pm in the afternoon and a differential backup had just occured at 4pm. No problem, I figured.
I restored the full backup from Monday morning and tried to restore the most recent differential backup. The differential restore failed. Since I had used T-SQL for the initial attempt, I tried using Enterprise Manager to try again.
When viewing the backup history, I see my initial full backup taken on Monday plus all the differentials. BUT, on closer inspection, I noticed another full backup in the backup history that was taken early Tuesday morning. I can't figure out where this Tuesday morning full backup came from. It wasn't taken by me (or scheduled by me) and I'm the only one with access to the server. My full backups are usually named something like HCMPRP_20070718_FULL.bak. This erroneous full backup was named something like HCMPRP_03a_361adk2k_dd53.bak. It seemed like it was a system generated name. Not something I would choose. To top it off, I could not find this backup file anywhere on the server and when I tried to restore using this full backup, it failed.
Does anyone have any clues as to where this full backup might come from? Does SQL Server trigger a full backup on its own if some threshold is reached?
I ended up having to restore using the differential taken just before this erroneous full backup and lost a day of transactions.
Any insight is greatly appreciated.
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Jun 6, 2007
Hi,
Using SQL Server 2005, we have a 2.8Gb database under the Simple recovery model. The database contains ~50M rows and each night ~60k rows are loaded(appended) to the database by a SSIS task.
We configured a Maintenance Plan which is executed once a week to perform a full backup of the database. The resulting backup file is ~2.8Gb, as expected.
We also configured another Maintenance Plan which is executed every day, a few hours after the SSIS task is executed, to perform a differential backup. To our surprise, the resulting backup file is about the same size as the full backup, ~2.8Gb when it should only be a few MB (only 60k rows are added to the database)
When we launch the "Restore Database" wizzard we clearly see the different backup set, Full and Differential but they all have about the same size (same for the physical backup file on disk).
Is there anything we are missing, why are the differential backup that big?
Thanks for any advice.
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Nov 8, 2007
If we do TxLog backup during the FullBackup, will this cause any problem during the Restore operation?
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Oct 23, 2015
I make two full backups on Oct 1 and Oct 10. I want to restore the server to a state in Oct 5. So I just do as follows:
1.Perform a transaction log backup on the server on Oct 23. I have never backup transaction log in the past.
2. Restore the server with Oct 1 full backup with NORECOVERY option.
3.Try to restore to the point at Oct 5 12:00, with the transaction log.
But the restore fails and SQL Server said the transaction log does not contain the point. The point is too early. Why? Also my .LDF file is about 13G, but the transaction log backup is only 200MB. Why?
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Mar 10, 2008
I have this database "DB1" which is in FULL recovery mode.
I run full daily backup -Monday to Saturday
DB1_Mon.bak
DB1_Tue.bak
DB1_Wed.bak
DB1_Thur.bak
DB1_Fri.bak
DB1_Sat.bak
Come Sunday - for the first time I have run transaction log backup.
DB1_Sun.trn
And now, I need to restore DB1 - but the only full backup that I have is the Monday - "DB1_Mon.bak"
Is my database complete if I restore only "DB1_Mon.bak" plus the "DB1_Sun.trn"?
Jeboy
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Dec 2, 2000
After I restore a database with SQL the database I cannot access it. However, after restoring using Enterprise Manager I do not have the same problem. The message I get is:
Database 'les_test' cannot be opened. It is in the middle of a restore.
The code I am trying to use for the restore is:
RESTORE DATABASE les_test
FROM DISK = 'c:MSSQL7BACKUPiztrobeta_db_200012011201.BAK'
WITH NORECOVERY,
REPLACE,
MOVE 'biztrobeta_PRI' TO 'c:mssql7DATAiztrobeta_PRI.ndf',
MOVE 'biztrobeta_FGE_Dat1' TO 'c:mssql7DATAiztrobeta_FGE_Dat1.ndf',
MOVE 'biztrobeta_FGX_Idx1 ' TO 'c:mssql7DATAiztrobeta_FGX_Idx1.ndf',
MOVE 'biztrobeta_LOG' TO 'c:mssql7Dataiztrobeta_LOG.ldf'
GO
I tried changing the status in the master..sysdatabases tables, but the restored database was still not accessible. I tried to do this using the following statment:
UPDATE sysdatabases
SET STATUS = 4194316
WHERE name = 'les_test'
GO
Any help is appreciated.
Thanks,
Les
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Oct 27, 2007
Greetings, All -
Is it possible to restore to a point in time without a preexisting full backup? The situation is this:
I have a table in the DB from which an unknown number of records were accidentally deleted. The table in questio has about 2 million records; the user ran a query to delete all records from the table by accident, and cancelled the query after about 3 seconds.
The DB recovery mode is full, so I should be able to do a point in time restore to go back to just before the deletion, but unfortunately, the DB has never been backed up, so I have no backup to work from.
The DB has not been used since the incident, and is otherwise operational, but I need to recover these records if at all possible. All the instructions I've seen for this involve restoring from a full backup first, then restoring the log backup second. Is there any way for me to accomplish the same task?
Mark Faulcon
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Nov 29, 2007
Is it possible to do a full restore of a database without restoring the full-text catalogs? At the end of each month, we restore a copy of a database for quick access to month-end data with a different name. e.g. we restore the database DBN as DBN1107. Since upgrading to SQL 2005, the restore is failing because it it trying to restore the full-text catalog.
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Oct 23, 2015
I make two full backups on Oct 1 and Oct 10. I want to restore the server to a state in Oct 5. So I just do as follows:
Perform a transaction log backup on the server on Oct 23. I have never backup transaction log in the past. Restore the server with Oct 1 full backup with NORECOVERY option.Try to restore to the point at Oct 5 12:00, with the transaction log.
But the restore fails and SQL Server said the transaction log does not contain the point. The point is too early. Why? Also my .LDF file is about 13G, but the transaction log backup is only 200MB. Why?
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Oct 23, 2015
I make two full backups on Oct 1 and Oct 10. I want to restore the server to a state in Oct 5. So I just do as follows:
1.Perform a transaction log backup on the server on Oct 23. I have never backup transaction log in the past.
2. Restore the server with Oct 1 full backup with NORECOVERY option.
3.Try to restore to the point at Oct 5 12:00, with the transaction log.
But the restore fails and SQL Server said the transaction log does not contain the point. The point is too early. Why? Also my .LDF file is about 13G, but the transaction log backup is only 200MB. Why?
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Jul 23, 2005
Database is OK. I just need to roll back all the transactions until certainpoint in time. How to do it?
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Apr 4, 2015
I am working towards automating the process of testing our backups. For the meantime, I do it all manually - I copy the backup files (full + transaction logs) to our test server and then run the restore script. Once database restored I run the DBCC CheckDB. The results of checkdb I manually upload to our Sharepoint portal as proof that the backup file is intact with no errors.
here are some ideas I have but have not yet tested:
Create a maintenance plan with each 3 jobs:
--> Powershell script to copy the files from Prod server to Test server - add this scrip to Job1
--> Powershell script to restore databases files - add this script to Job2
--> Run the DBCC in powershell (yet to find if possible in PS) - add this script to Job3
I would like to use seperate jobs as to get a report on the duration and status of each job
Would also like to get the results of the DBCC Checkdb as proof that no errors were found for upload to our Sharepoint portal. Dont know if possible via the job.
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Aug 3, 2015
Need to restore database,here's the scenario:
Data got deleted on Friday evening, need to have database restored to FRiday afternoon and also some data has been entered on Monday, which needs to be there.
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Oct 17, 2006
I have a full backup and several diff backup,now i want to restore
firstly,I restore full backup
RESTORE DATABASE ***
FROM DISK = 'D:databackup200610140000.bak'
WITH NORECOVERY
GO
it's working,then i don;'t know how to continue
Thanks in advance
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Jul 26, 2007
As I tested, I found with Transaction logs and Full Backup can support any changing of database.
So I doubt that Do I need to back up by diffrential style ?
Please suggest me.
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May 2, 2002
I know that the differential backup will only back up information that was changed since the last full database backup, but I have process that I need to implement and need to know if differentials will work.
1. Perform full database backup on Sunday.
2. Perform differential backups Monday thru Friday (twice a day).
3. Perform a database restore on the following Sunday from the backup taken on the previous Sunday.
4. Perform differential backups Monday thru Friday.
At this point I would repeat steps 3 and 4 for the following weeks.
My question is this. Since I didn't actually perform a backup in step 3, but instead performed a database restore, will the differential backup in step 4 backup all of the information changed since step 1??..or will it backup all of the information changed since the restore in step 3? I'm hoping it will only back up the information changed since step 3.
Thanks!
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