Moving Transaction Log File To Another Disk
Apr 5, 2004
Hi all,
I have to give support to this new client of ours and the system out there was a real mess.The log files for all four databases were ranging from 5 to 9 GB's, no maintanance no nothing was done since the setup of the system. I have truncated the logs after taking proper backups since it all started after they compalined a DTS was not working, which was due to no disk space available ;).
Now I have to shift the log files to a seperate disk.
I know it can be done by detaching the database and attaching it back, I was wondering if we can do it without bringing the system offline?
Anycomments welcome.
Thankyou.
regards,
harshal.
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Sep 16, 2015
Do you have to move the entire content of the log folder to the new location?
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Jan 19, 2001
Hi,
I'm trying to move the transaction logs of my databases to a different drive (for fault tolerance). I can create a second transaction log file for each database via Enterprise Manager but I have 2 questions:
1) If two transaction log files exist for a database which one does it use ?
2) How do I force SQL to use the new transaction log file ? (so I can delete old)
Thanks,
Tim
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Mar 2, 1999
I'm in the process of tuning a SQL Server v7 box and have decided that the transaction log would be better placed on its own disk. How do I move a transaction log ?
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Apr 11, 2002
I am trying to move a logfile from one disk to another. I've detached the database, moved the logfile to another disk and reattached the database. I used the sp_detach and sp_attach_db to specify the paths of the *.MDF and *.LDF. I've tried it through Enterprise Manager and with boths ways I get an error message saying: "Error 9003: The LSN (201:48:2) passed to log scan in database 'DatabaseName' is invalid". Does anyone know what this means and how I can get around this. I've even tried to attach the database with the logfile in the original path and I still get that error. Need Help Please!
Thanks
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Nov 8, 2007
Hello,
I need move my SQL Server 2005 installation (Database Engine, Analysis Services) from one disk to another.
C:Program FilesMicrosoft SQL ServerMSSQL.1C:Program FilesMicrosoft SQL ServerMSSQL.2
to
D:SQL2005MSSQL.1D:SQL2005MSSQL.2
May you help me how do this?
--
Regards,
anxcomp
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Feb 20, 2001
Hello,
this is my configuration :
1) 3 disks in RAID5 that hold the SQL data
2) 1 disk in RAID0 that holds the only paging file.
What will happen to the SQL data (DB) when the disk that holds the paging file crashes?
Kindest regards,
Luc.
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Jun 7, 2006
I want to move 2 databases to another physical disk. They are both single file databases. It looks like a fairly straigtforward attach and detach procedure, but I have a couple of questions:
The log files (.ldf) currently reside on a separate physical disk from the data files, if I attach and reattach the data files will the logs remain where they are by default or do I have to re specify there location?
Is there any advantage to running the update statistics portion of the sp_detach_db?
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Apr 22, 2004
I am trying to find out if it is possible to move indexes to a separate filegroup/disk drive during database restore. I am trying this to see if it improves performance. Also if I cannot move the indexes during restore, how would I move them afterwards to a different filegroup/disk drive? Thanks in advance for all the help.
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Nov 29, 2000
does anyone know if tempdb can be physically moved to a different partition on a disk drive on SQL Server 7.0? Since it can't be backed up I'm hesitant to use the sp_detach/sp_attach procedure because I don't want to crash it. If nothing else is available, I can attempt moving it this way at the end of the day and then just reboot to get tempdb back up again if the server fails, but I'd really appreciate a suggestion from someone who has more know-how than I do about system table operations. Thanks again
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Jul 23, 2005
Hello, I have been having a bit of trouble finding help on the safestway to move data files to a different disk on the same server. Mosthelp is about moving data files to a different sqlserver. I just wantto move the files to a different drive on the same server. Any helpwould be appreciated.Thanks,David
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Sep 4, 2007
I am having an issue with the transaction growing uncontrolled and filling up the disk. I suspect that transactions are structured incorrectly between the web application that is monitoring a queue and the SQL that is executing the WAITFOR RECEIVE. This method is receiving large binary objects, so thats the reason for the arguments to the reader. Also, even though its not the suggested way, we commit everytime through to prevent the queue from disabling (which it was doing when we would ROLLBACK - we don't really care if the message is bad, we just want to log it and wait for the next one).
The basic structure is this, which is executed on a separate thread. Am I missing something that could be causing transactions to get into a state where the log grows uncontrollably? Is there a problem with the loop? Should I be doing a ROLLBACK when there is nothing to receive (this is a low volume queue, so it may not receive a message for a few minutes or more)? If so, where should I be doing this?
private void MonitorUpdateQueue()
{
const string _sqlEndDialog = @"END CONVERSATION @conversationHandle";
const string _errorMessageType = @"http://schemas.microsoft.com/SQL/ServiceBroker/Error";
const string _endDialogMessageType = @"http://schemas.microsoft.com/SQL/ServiceBroker/EndDialog";
using (_ssbConnection)
{
if (_ssbConnection == null) _ssbConnection = new SqlConnection();
using (_monitorQueueCommand =
new SqlCommand("asp_ProcessMessage", _ssbConnection))
{
_monitorQueueCommand.CommandType = CommandType.StoredProcedure;
_monitorQueueCommand.CommandTimeout = 0;
while (true)
{
SqlDataReader reader = null;
Guid conversationHandle = Guid.Empty;
Byte[] payloadBytes = { 0 };
try
{
if (_ssbConnection.State == ConnectionState.Closed)
{
_ssbConnection.ConnectionString = _ssbConnectionString;
_ssbConnection.Open();
}
Byte[] latestFullUpdate = null;
_monitorQueueCommand.Transaction = _ssbConnection.BeginTransaction(IsolationLevel.Serializable);
if (_monitorQueueCommand.Transaction != null)
{
reader = _monitorQueueCommand.ExecuteReader(CommandBehavior.SequentialAccess);
if (reader != null)
{
XmlDocument updateMessage = new XmlDocument();
while (reader.Read())
{
conversationHandle = reader.GetGuid(0);
string messageType = reader.GetString(1);
payloadBytes = reader.GetSqlBytes(2).Value;
if (messageType == _endDialogMessageType || messageType == _errorMessageType)
{
SqlCommand cmdEndDialog = new SqlCommand(_sqlEndDialog, _ssbConnection, _monitorQueueCommand.Transaction);
cmdEndDialog.Parameters.AddWithValue("@conversationHandle",
conversationHandle);
cmdEndDialog.ExecuteNonQuery();
}
else
{
if (payloadBytes.Length > 0)
{
ProcessUpdateQueue(updateMessage);
}
}
}
reader.Close();
}
_monitorQueueCommand.Transaction.Commit();
}
}
catch (Exception ex)
{
if (_monitorQueueCommand.Transaction != null && _monitorQueueCommand.Transaction.Connection != null)
{
// Dequeue the bad message and ends the conversation
SqlCommand cmdQuarantineMessage = new SqlCommand("usp_FailMessage", _ssbConnection, _monitorQueueCommand.Transaction);
cmdQuarantineMessage.CommandType = CommandType.StoredProcedure;
cmdQuarantineMessage.ExecuteNonQuery();
if (reader != null && !reader.IsClosed) reader.Close();
if (_monitorQueueCommand.Transaction != null) _monitorQueueCommand.Transaction.Commit();
}
log.Error("Error monitoring queue.", ex);
}
finally
{
if (reader != null && !reader.IsClosed) reader.Close();
if (_monitorQueueCommand.Transaction != null)
{
_monitorQueueCommand.Transaction = null;
}
}
}
}
}
}
The stored procedure that is monitoring looks like this:
CREATE PROCEDURE [dbo].[asp_ProcessMessage]
AS
BEGIN
WAITFOR ( RECEIVE TOP ( 1 ) conversation_handle, message_type_name, message_body
FROM [MyQueue] ) ;
END
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Jul 23, 2005
I am having a problem backing up my database and TLog files due to alack of local diskspace. The db file is about 30GB and the TLog isabout 20GB each on a different hard disk. Each disk doesn't haveenough available space to accomadate a backup. I also can't shrink thefiles because part of that procedure would require a backup.Question: Can I use a redirected drive for the backup media? Is therea way to trick SQL into allowing this? If the answer is no, doesanyone have a suggestion as to want I should do? I am in the processof requesting more disk space,but that could take a while.Thanks,
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Dec 28, 2006
hello,all
I am new to Sql 2000,I installed sql 2000 database in C disk,but Now I found my C disk space is smaller than before,So I want to move my databse(include data and structure) from C Disk to D Disk(its space is very large) .
is it possible to do it ?
if its can be done ,do I need to change my asp.net program source code (exp: chaneg my crystal report connectstring ) ?
thanks in advanced!
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Jun 15, 2000
Is it possible to move .ldf's to another drive. For example I would like to move a database transaction log file from C:mssql7data to D:mssql7logs.
How can this be done?
TIA!
JJ
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Oct 11, 2001
Hello SQLServer gurus,
We created the database with transaction log files and datafiles on the same drive. Now we want to change the transaction log file
location to a different drive. Please let me know the steps to follow. THanks...
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Jun 10, 2015
I have Full database backup upto previous day and transaction logfile of Today transaction. my database has crashed. I have restored previous day's Full backup. I have faced difficulty to restore today's transaction from today's transaction log. What are the steps to restore full database back and one day's transaction log file. Note: there is no differential database backup and transaction backup.
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Sep 28, 1999
Hi,
I am trying to create a scheduled task taht will restore a database from a backup file. I do not store my backups on a backup device, but on a local disk. To restore a DB from a backup device, the following statement will work:
"Load DBName from BackupDeviceName". Does any know what statement to use to restore from a file, if the file is "E:DBName_db_dump_199909272220".
Thanks in a advanced.
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Feb 20, 2004
It's probably a really easy thing to do, but I can't find out how to do it, so hopefully somebody can spare the time to help.
I want to read in T-SQL contained in a file held on disk and execute it in a stored procedure.
Anybody know how to get the contents of the text file into a variable so I can exec it ?
Thanks for your time.
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Feb 20, 2004
It's probably a really easy thing to do, but I can't find out how to do it, so hopefully somebody can spare the time to help.
I want to read in T-SQL contained in a file held on disk and execute it in a stored procedure.
Anybody know how to get the contents of the text file into a variable so I can exec it ?
Thanks for your time.
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Feb 21, 2000
I am getting occasional failures of a SQL Server 7.0 complete backup to disk on a production database. The errors seem to indicate that another process has the disk file open at the time of the backup. The errors contain the following texts : -
'Cannot open backup device'
'Operating System Error=32 Process cannot access file because it is being used by another process'.
The only other process that should access the disk file is an ARCserveIT scheduled job to copy the disk backup to tape but this is completing long before.
Any ideas or suggestions?
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Dec 3, 2007
Hi All,
One of the drives that stores the database file is close to running out of space. The chance of me getting more space added to this drive any time soon are really low. What are other options I have?
Thanks.
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Dec 3, 2007
Hi All,
One of the drives that stores the database file is close to running out of space. The chance of me getting more space added to this drive any time soon are really low. What are other options I have?
Thanks.
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Mar 20, 2004
My logfile has grow the disk full - the logfil is 25 gb and I have 4 gb free.
I can't shrink the log fil !
Can I set the log file to null ??
I have backup my datafil successfully!
Help!
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Jul 13, 2007
Hi everyone,
Due to running out of disk space and reducing I/O contention, I plan to seperate data files and log files to different disk arrays.
My plan is to
- detach all databases
- copy log files to another disk
- attach all databases
The total size of log files is about 60GB. It becomes a problem becasue it spend too much time passing files. To reduce down time, is there any way I can do?
Can I just create new log files and remove the current files by using sql management studio?
any other suggestions? Thanks in advance
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Apr 7, 2008
Hi,
I'm trying to write a restore script. In the past I've always used the SSMS GUI to restore. When running the script below, the process got stuck at around 90%. Eventually I aborted the restore and found out that my C drive was full. The log file of the database I was restoring was 32GB. Can anyone tell me what I'm doing wrong? Thanks.
Code Snippet
ALTER DATABASE [oms] SET SINGLE_USER WITH ROLLBACK IMMEDIATE
GO
RESTORE DATABASE [oms]
FROM DISK = N'C:Program FilesMicrosoft SQL ServerMSSQL.1MSSQLBackupOMS_Blank_Production.bak'
WITH FILE = 1,
REPLACE,
STATS = 10
GO
ALTER DATABASE [oms] SET MULTI_USER;
GO
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Jan 19, 2008
I have the following directories
\servershare
\serversharearchvie
I have a for each file loop and inside it a data flow that pulls from one of the flat files in the directory and then a file system task. If I choose the "Move File" option in the file system task to move the file to the archive directory, it fails with an access denied message. The access denied message occurs after a message saying file was successfully deleted. I am running this from BIDS right now and my local user can write delete etc in both the above directories. However, if I do a "copy file" in the file system task it seems to work. I think what is happening is it is deleting the file first and then trying to move it, but it no longer exists because it has been deleted--is this possible? Is this a bug of some sort?
For now I am going to workaround by putting in another file system task that deletes the files after they were copied and see how that goes, but would prefer just to do the "move" option.
Thanks,
Kayda
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Nov 7, 2006
I have a File System Task that uses variables to resolve the destination and source paths of a document. When I select the 'copyfile' operation...the document is copied from the source to the destination without error.
However when I change the property from 'copyfile' to 'movefile' I get an error and the document is not moved.
The source and destination variables contain a valid file path name since the copy commmand is working as expected. However when I alter the properties of the File System task to move the document. I get the following error:
Could not find a part of the path 'G:CommonInformation SystemsDropFilesrtNRT_ConfirmationOrder Confirmation Report_11062006.xlsOrder Confirmation Report_11062006.xls
It seems a little nonsensical since the document file paths are valid when performing a copy. For some reason the error log is showing that that the file path is the document name "Order Confirmation Report_11062006.xls" and adding it twice to the the directory path called "'G:CommonInformation SystemsDropFilesrtNRT_Confirmation" as you can see in the above error message.
To replicate the 'move' action...I added an extra File System Task that deletes the document once the copy has been performed. I would like some insight into why this doesn't seem to work.
Thank you.
...cordell...
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May 16, 2008
I have a poorly performing SQL box.
I have run perfmon and the avg read queue length is pretty much permanently maxed out at 100%.
I have run a database index defrag.
On further inspection the file system is highly fragmented. There is a file fragmentation of 98% with the mdf file fragmented in 25,000 pieces. Running a standard windows defrag does not resolve this.
Two questions?
1- Is heavy file fragmentation of the MDF file a likely cause of the read queue length bottlneck?
2 - Why is the MDF file not defragmenting? Does the SQL server have to be taken offline? Is it possible to defrag a MDF file?
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Nov 10, 2006
catcat writes "Hi All,
Our MSSQL 2000 server crashed yesterday and one database cannot be restored. the latest backup we have is june. We can only recover the MDF file from the harddisk and according to our admin, it cannot be restored anymore because no proper shutdown was made.
Will appreciate your help here."
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Oct 4, 2007
Hi all
My Transactional log size increased to 39GB, it is in full recovery mode,
To regain the space, i have done the following
BACKUP LOG DB_NAME WITH TRUNCATE_ONLY
DBCC SHRINK_FILE (LOG_FILE_NAME,500)
But not able to regain the space in the hard disk.
No Transactional backups to truncate the log file were setup.
Can you please tell me why the space was released and what should i do further to clean up the sapce
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Feb 12, 2007
In SQL Server 2005, via the GUI, I wish to backup a database to an additional disk file (there is already an existing backup disk file for this database), so that I can have more than one backup. I've added the new disk file name, highlighted it, and clicked OK.
I get an immediate error (see below). Note, the 2nd error message is specifying the existing backup disk file, not the new one I'm attempting to create.
"Backup failed for Server 'WCS-DEV-TPA'. (Microsoft.SqlServer.Smo)"
"System.Data.SqlClient.SqlError: The volume on device 'D:Program FilesMicrosoft SQL ServerMSSQLBACKUPWCS_ADV_Longmont.bak' is not part of a multiple family media set. BACKUP WITH FORMAT can be used to form a new media set. (Microsoft.SqlServer.Smo)"
Does anyone know what causes this and how to correct it?
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Sep 10, 2007
If I return the Average, Minimum, and Maximum values for the counter Physical Disk: Avg. Disk Queue Length, and those values are 10, 0, 87 respectively, which value do I use to compute the Avg. Disk Queue Length for a 4 disk array(RAID 10): Average, Minimum, or Maximum? The disk(lun) is on a SAN.
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