Recover Mirror Database From Snapshot Database
Feb 28, 2008
I have a mirred database and have snapshot created from the mirroed database. I can do data selecting from the snapshot. But when the pricipal server is down , I can re-active the mirroed database.( I did succesfully upto this). Then I need to restore the database from snapshot and which failing with following error message.
Code Snippet
Msg 5123, Level 16, State 1, Line 3
CREATE FILE encountered operating system error 3(error not found) while attempting to open or create the physical file 'E:sql_datadevitst_mirrorlog st_mirror_log.ldf'.
Msg 5024, Level 16, State 2, Line 3
No entry found for the primary log file in sysfiles1. Could not rebuild the log.
Msg 5028, Level 16, State 2, Line 3
The system could not activate enough of the database to rebuild the log.
Msg 3013, Level 16, State 1, Line 3
RESTORE DATABASE is terminating abnormally.
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Nov 24, 2006
Hi guys, can I know the steps on creating a database snapshot on a mirror database? Thx for the assistance. :)
Best Regards,
Hans
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Aug 28, 2007
All,
We have SQL 2005 db mirror configured with a witness server for high availability. Node 1 is the principal and Node 2 is the mirror. A nightly job creates a snapshot on Node 2. The snapshot is used for previous day reporting queries. We have now been asked to present another copy of the database for near-time reporting. I thought about possibly adding a peer-to-peer replication as part of my environment but was hoping to see what everyone else out there is doing.
Regards,
Ian
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Sep 1, 2015
Process to create snapshot failed (twice per day snapshot of the database is being created for some people to work on). Morning snapshot worked fine but the afternoon one failed. The snapshot is being created from Mirror database. I used this code:
CREATE DATABASE [DB_snapshot] ON
(name = N'DB',filename = N'D:SnapshotDB.SQLSnapshot' )
,(name = N'indexes',filename = N'D:SnapshotDB_indexes.SQLSnapshot' )
AS SNAPSHOT OF DB
And the error message i get
Msg 1823, Level 16, State 6, Line 1
A database snapshot cannot be created because it failed to start.
Msg 1823, Level 16, State 7, Line 1
A database snapshot cannot be created because it failed to start.
Msg 3456, Level 21, State 1, Line 1
Could not redo log record (202011:19306:2), for transaction ID (0:0), on page (1:1823948), allocation unit 281474979397632, database 'DB_snapshot' (database ID 6). Page: LSN = (201954:220201:1), allocation unit = 281474979397632, type = 1. Log: OpCode = 4, context 18, PrevPageLSN: (202010:23679:1). Restore from a backup of the database, or repair the database.
Msg 3313, Level 21, State 1, Line 1
During redoing of a logged operation in database 'DB_snapshot', an error occurred at log record ID (202011:19306:2). Typically, the specific failure is previously logged as an error in the Windows Event Log service. Restore the database from a full backup, or repair the database.
What might be causing this error? Mirroring seems to be working OK. status is "Synchronized"
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Dec 27, 2006
I was trying to test mirroring and now would like to delete the mirror database but it says I need to remove database mirroring first. I deleted the endpoint and cannot figure out how to remove the mirroring. Can someone please help.
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Feb 27, 2000
How do I begin? I had previously installed the SQL Server 7.0 with NT Authentication and everything was fine until I Rename domain Name and Computer name. I decided to uninstall SQL Server, and then reinstall it.
From this action unable to see my database in enterprise manager. I Rename old domain and computer name again. and reinstall with Upgrade Version. but still same effect. Can anyone help? What do I need to do to get my database to work again? Any input on this will be appreciated. Thanks in advance.
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Aug 25, 2004
I had MS SQL installed on my comp.I had to reformat my hard drive due to some problems.There was a db in the sql server which i needed.So i saved the .mdf & .sdf files.Then i installed sql server in the formatted hard drive & pasted the .mdf & .ldf files in the Data forlder in MSSQL folder.But the problem is that even after doing this the enterprise manager doesnt show that database.Can anyone help me with this?Is there any way to recover the database?
Thanks a lot
P.S.- I also have whole of the earlier MSSQL folder present in the earlier program files backed up.Would that help in anyway.
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Nov 23, 2004
Hi
I've had a powerfailure, that resulted in I had to scratch my DB server, I've managed to get all the .mdf and .ldf files from the server. On the new server I get a "Error 823: I/O error (torn page)" when I'm trying to attach the .mdf file to the New server.
Both the new and the old server is a win2003 with SQL 2000 SP3
Is there anybody who knows how I can recover the DB?
/Rune
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Oct 6, 2005
Hello,
Is it possible to restore a SQL 2000 database with data from a transaction log?
I am not sure what happened to my database, all the data in the tables is gone. I generated a db script to create a duplicate database. I saved the .sql file on my local machine, separate from the db server, renamed the database name in the .sql file to a new database. Tested script in query analyzer for syntax, all was fine. Running it at this point would have created a new database with a different name, right?
Now my original database is empty. Can someone please provide me with information on getting my data back. Is there a way of using the transaction log to recover the data.
Thanks
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May 9, 2011
is there any way to recover a database? I accidently drop my database .I don't have any backup.
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Jul 23, 2007
Hi all,
Is it possible to recover or find the password of database or resetting is the only option? I have a database that has a two users in the Users tab. How to find out the password for these?
Thanks,
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Feb 1, 2008
Hi,
By mistake i've damaged my .mdf file and i have no backup on this database . However i have the transaction log intact and an older version of the database .
Is it possible to recover the database using the transaction log? How can it be done?
Thanks to anyone who can help me.
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Jul 14, 2003
Hi all:
In order to test database restore, I create a backup driver and puporse delete one table, then I try to restore my databse use backup, but the delete table donot show up.
Thank you
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Jan 24, 2004
I can recover all type of ms sql server database losing.please contact me at cn9526@163.net
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Oct 5, 2007
I have accidentally deleted a Database from SQL server 2005 instance. Is there any chance for me to recover the Database. If yes do let me know the method.
Thanks in advance
Mrinmoy
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Jul 23, 2005
Howdy all -I am *not* a DBA, so please bear with me. A client's Windows 2000server went belly up yesterday afternoon after getting updates fromWindows Update. Wouldn't come up at all any more. I broke the mirrorfor the OS, rebuilt the Windows 2000 installation, and installed MS-SQL2000 and SP3 so that now the server is configured identically to whatit was before the crash.Now I have the databases in D:Program FilesMicrosoft SQLServerMSSQLData. D: is a mirror of the (now broken) oldinstallation. How can I get the databases into the active installationof MS-SQL on the C: drive?I was thinking of creating databases with the same name, shutting downSQL and copying the files from D: to C: but that sounds too easy.Any pointers greatly appreciated. Please remember that I am not anexperienced DBA, so use short words and speak slowly... :-)
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Aug 24, 2006
All,
I have created an asynchronous database mirror and a snapshot of the mirrored database similar to what is described in the following article:
http://msdn2.microsoft.com/en-US/library/ms175511.aspx
The article says that once you create the mirror that "At this point, new client connections can be programmatically directed to the latest snapshot."
My question is, how can you programmatically direct connections to the latest snapshot?
Does anyone have a suggestion, or know what the article is getting at? We will use SQL Server Reporting services to query off of the database snapshot.
Thank you,
Racer-D
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Aug 24, 2006
hi all,
i have SQL 2000 server with SP3, yesterday my database was suddenly goes to suspect mode. then i found log in sql server log. and it shows following text:
I/O error (bad page ID) detected during read at offset 0x00000000030000 in file 'C:Program FilesMicrosoft SQL ServerMSSQLDataMFS_Data.MDF'..
kindly, do needful for recover data from this file...
Tejas Kishanwala
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Oct 21, 2015
I am working on SQL Server 2008 R2 and unfortunately I have lost my .mdf file after detaching it from my database, but the .ldf is still in my system. Is there a way to recover my database from .ldf file?
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Jun 13, 2007
I have two questions here.
Question 1:
If I am using Database Mirroring for my production database in SQL Serever 2005, can I do mirroring on the mirror database?
Principal Database -- Mirror -- Mirror A -- Mirror -- Mirror B
Can this be done?
Question 2:
Can I do 2 mirroring on a single principal database? If can, which mirror database it will goes when the failed over happen? can the other mirror switch to mirror the failed over database?
Principal Database -- Mirror -- Mirror A
-- Mirror -- Mirror B
Please advise. Thanks
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Jun 20, 2007
I am using MS SQL 2000 Standard, is it possible to create a mirror database in SQL 2000? If so, would you suggest how to do this. Thanks! I am a newbie about this.
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Feb 12, 2008
hi
Can any body provide me any idea that how to recover database data if i have deleted that database
Bye......
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Mar 22, 2006
One of my SQL Express databases was deleted by mistake through MS SQL Server Management Studio Express. It is not in the Recycle Bin and I have tried to use a tool such a Active@ Undelete to recover the file but it cannot find the deleted file.
I have a backup file *.bak in the ....MSSQLBackup folder I made using MS SQL Server Management Studio Express. When I try to use the restore database feature in SSMSE I get various errors.
Any Suggestions on how to recover the deleted file or
Any suggestions or documentation on using the restore feature in SSMSE?
Any help at all?
Thanks
George
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Jun 20, 2007
Hi all. A few days ago i installed mcafee total protection 2007 and that disabled my internet connection totally!! I couldn't fix it so i had to uninstall it. After uninstalling mcafee total protection 2007 still i couldn't join Internet!!
So i got mad and went and made repair installation of windows xp pro. After repair installation i couldn't activate it since Internet connection was still not working!! So i went and installed another copy of xp pro on different folder and named it WINDOWS (old one was WINDOWS2).Thanks god now i could join Internet but all my shortcuts and menu items are not visible.
Unfortunately I can't even start sql server 2000 either!! could any one tell me what should i do in order to get access to all database tables and data that i had in sql server and make a back up. I didn't install any new sql server yet. I be happy if an expert tell me what should i do. The installation folder of old windows(WINDOWS2) is still available along with sql server installation folder.Thank and looking forward for reply.
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Jul 10, 2015
Recently i got task from Senior DBA, as : Recover a database without LOG file Currently Data File is available.
Log file is also available, but shows size as 0 KB. Means Log file is corrupted.
Currently existing DB is shown as Offline Mode in SSMS.
So i got below link:
[URL]
When i tried 1st/2nd solution from above link, i got below message:The log cannot be rebuilt because there were open transactions/users when the database was shutdown, no checkpoint occurred to the database, or the database was read-only. This error could occur if the transaction log file was manually deleted or lost due to a hardware or environment failure.
To try that 3rd solution, I had to DELETE/Remove existing DB from SSMS, so i can create New DB with same name.
When i tried to delete Log file from Command Prompt, using below command, Windows replied that File is corrupted, so it cannot be deleted.
DEL /F /Q /A C:Program FilesMicrosoft SQL ServerMSSQL11.SQLEXPRESS2012MSSQLDATAMyDB.ldf
Meanwhile my Senior DBA brought DB in Recovery Pending mode.
So if i want to go for 3rd solution,then i need to DELETE file, But Windows is not allowing me.
[URL]
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Oct 18, 2006
I accidentally deleted some useful data in my database. I have both .LDF and .MDF files for this database.
Is there a way to recover this database to a point of time?
Thx.
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Jun 21, 2007
I have managed to attach a database to my new instance of SQL Server 2005. The database orignally went into suspect mode on SQL Server v8.0. I have managed to get it into emergency mode but cannot see any tables. DBCC CHECKDB etc do not work. I get the error saying to upgrade the database to the newest version.
Any ideas? Thanks in advance!
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Sep 14, 2007
Hello,
Im using the same DB used in northwindoledb example, i need a similar app but in C#, not C++, so i use this DB and make a form for Pocket PC 2003 SE Emulator in Vista (device application) with visual studio 2005, i use a function to recover the image and display in a PictureBox but when this image create a BitMap give me an error "Value does not fall within the expected range.", i seek a lot in internet and don't find a solution, the function is:
public static Image Bytes2Image(byte[] bytes)
{
if (bytes == null) return null;
MemoryStream ms = new MemoryStream(bytes,0,bytes.Length );
Bitmap bm = null;
ms.Read(bytes, 0, bytes.Length);
bm = new Bitmap(ms);
return bm;
}
If someone can help me i will appreciatte
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Jun 11, 2007
anyone has the experience to solve this?
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Apr 28, 2006
Has anyone tried mirroring any of the Dynamics GP databases yet?
I am looking at using this and what to see if anyone has had any problems or even know if it can be done.
Thanks
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Mar 14, 2007
Hi
While a database upgrade schema changes were being made the Mirror became disconnected will this recover itself when it reconnects or will it be the case that we will have to copy the db files to the Mirror and set it up from scratch.
It was set up as a synchronise mirror
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Feb 14, 2007
Hi
I tried to setup service broker to fail over to a mirror database. After the target database failed over, the message I send stays in sys.transmission_queue with no error in transmission_status. I check the mirror server log and I see the following.
An exception occurred while enqueueing a message in the target queue. Error: 15581, State: 3. Please create a master key in the database or open the master key in the session before performing this operation.
The database has the master key because its a mirrored database? Did I have to do something extra here
Paul
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Feb 24, 2002
Our SQL database log file got physically deleted. Now the database is in suspect mode. Is it possible to recover / restore the database just with the data file.
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