Shrinking Log File

Oct 12, 2004

When I try to shrink the log file for my databases I am getting following message.

Cannot shrink log file 2 (cm_archive_mp_Log) because all logical log files are in use.
what should I do to successfully shrink the log file.
Thanks.

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Shrinking The Log File

Apr 25, 2002

I have a 13 Gig Log File with only 121 Mgs of space used. I have run the DBCCSHRINKFILE command and it has shrunk it by about 100 Mgs. Why can't I get it to shrink to a reasonable size.

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Shrinking Db File

Sep 18, 2001

Have a 6G data file in a single filegroup.

Using dbcc shrinkfile to shrink.

Does not have any effect.

Any ideas?

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Shrinking The Log File

Sep 15, 2000

Hi, is there any other way to shrink the log file other than truncating every time it gets bigger... I have a 800MGs database and the log is getting as big as 11Gigs... any suggestions other than truncating it? Is there a way to set it off?

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Shrinking Log File

Nov 29, 2000

I'm trying to shrink the log file. I have used the suggestions that I have seen posted previously. This is the script I've been using.

DECLARE @DB VARCHAR(40)

SELECT @DB = 'PBDSSTEST'

CHECKPOINT

EXEC('DBCC SHRINKFILE ('+@DB+'_log, 1, NOTRUNCATE)')

EXEC('DBCC SHRINKFILE ('+@DB+'_log, 1, TRUNCATEONLY)')

CREATE TABLE t2 (char1 char(4000))

DECLARE @i int SELECT @i = 0 WHILE (@i < 300) begin INSERT t2 values ('a') SELECT @i = @i +1 END DROP TABLE t2

BACKUP LOG PBDSSTEST TO PBDSSTESTLOGBACKUP

Before I ran this the used portion of the log was 1795.12 MB, the free was 1570.50 MB for a total of 3365.62 MB.

After completing this the used portion was 25.62 MB, the free space was 3263.50 for a total of 3289.12 MB. It only srhunk about 26 MB. Why won't it shrink it anymore. There was plenty of data in the used at the time of the shrinkfile command so I would have thought it would have shrunk it a lot more.
Please help. I don't understand why it won't shrink it anymore than it did.

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Log File Shrinking

Nov 8, 2006

how can we shrink the log file to the required size without affecting the live database .....

Thanks in advance

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Shrinking Log File

Aug 29, 2007


I have a problem with shrinking a log file on SQL 2000. The log file has grown to 25gb (the db is 30gb) . The DB was in simple recover mode but I have changed it to full so that the log file can be backed up. I have run the dbcc shrinkfile on the log file several times (plus log file backups) and it has increased the logfile size. Each time I have run shrinkfile I get €˜Cannot shrink log file 2 (db_Log) because all logical log files are in use€™ message. I have used the dbcc loginfo command and this shows that all the virtual log files are in use. The db also publishes 4 snapshot replications. Any suggestion for how I can easily shrink the log file?


thanks

Simon

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Shrinking 2000 Log File

Aug 13, 2001

I have a database that was loaded with large amounts of data before today. I backup up the db and trans log. presently the DB file is 328 while the trans log show 428 meg with only 28 meg being used. If I try to shrink either the database or the log files, the log file wil not shrink.. It tells me to set it to a minimum of 28 meg but still not shirnk. I realize this was a problem in 7, any quick fixes, in a hurry. Running SQL 2000 SP1

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Automatic Log File Shrinking

Oct 16, 2007

I'd like to create a stored procedure to automatically shrink the transaction log file on a certain database monthly. As I am not the DB admin (it's a web-based db on a remote server), I'd like to put together a script to create the procedure so I can just send it to the DB admin to run. It seems like it should be pretty easy, but I'm still pretty new to SQL server. Is anyone able to give me some pointers?

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Shrinking A Log File Every Night

Dec 13, 2007



I have a relatively high usage 2005 database whose transaction log grows every day.

Untill now I have been manually shrinking the log files .. but I would like to automate this process.

In the maintenance schedule that runs every night

1 Do a full backup to disk
2. Do a transaction log backup to disk
3. run the following TSQL

USE [MyDB];
GO
ALTER DATABASE MyDB
SET RECOVERY SIMPLE;
GO
DBCC SHRINKFILE (MyDB_log, 3000)
GO
ALTER DATABASE MyDB
SET RECOVERY FULL;
GO

4. Backup disk files to tape.

however it doesn't work !! the TLOG file does not shrink, even though its the same as the manual job that I run?

There is nothing in the SQL logs .. but in the event log I get

Event Type: Error
Event Source: SQLISPackage
Event Category: None
Event ID: 12291
Date: 13/12/2007
Time: 00:50:10
User: NT AUTHORITYSYSTEM
Computer: ALGSQL1
Description:
Package "MyDB_FULL_BACKUP" failed.
For more information, see Help and Support Center

any ideas ?

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Difference Between Shrinking A DB And A FILE

Jun 14, 2006

Hi,

What is the difference between shrinking a DB with that of a file.

When you select a DB to shrink will it not shrink all the files in it.

Because when I select Files to shrink it does not prompt me with
a specific file.

So I am confused as to why SQL server 2K5 asks if you need to shrink DB or FILE

Tnx

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Shrinking The Log File On A DB That Is Mirrored

Nov 17, 2006



Hello,

I'm having couple of DB that are mirrored.

my concerne is regarding the Log file size.

I'm running the following steps:

BACKUP DATABASE [DBName] TO DISK = N'Backup_File' WITH NOFORMAT, INIT, SKIP, NOREWIND, NOUNLOAD, STATS = 10

then

BACKUP LOG [DBName] TO DISK = N'Backup_File' WITH NOFORMAT, NOINIT, SKIP, NOREWIND, NOUNLOAD, STATS = 10

if I try to run a SHRINKFILE (DBName_log, 20)

I receive the following info:

Cannot shrink log file 2 (DBName_log) because all logical log files are in use

I'n a bit tense using a

BACKUP LOG [DBName] WITH TRUNCATE_ONLY

as it's part of a mirroring.

but I need to reduce the size of the log file.

thank four your suggestions

Eric

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Shrinking .ldf File And .mdf File In Sql Server

Jan 27, 2008



please advice me what does .ldf file consist of and can i shrink the .ldf , is it adviceble to shrink after the backup and how frequently it can be done on a production db



please advice me ,can i shrink the .mdf , it is adviceble to shrink after the backup and how frequently it can be done on a production db


Thanks

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Dec 3, 2007

(SQL 2005) I have a few databases that are currently hovering at around 150GB. (The following only concerns the .mdf) Of this total size, only about 90GB is real data. The other 60-70 is data from unecessary audit tables. Recently, we've been having some space issues on a 1.7TB server. We've decided that deleting these audit tables and reclaiming the 60-70GB per database is the route we're going to take.

What we did: DELETE <table> (per audit table). Now, it shows that the database size is ~90GB and there is the 60-70GB of unallocated space.

Then, we ran a DBCC SHRINKDATABASE (db_name) overnight. Checked space the next morning and only about 10GB had been reclaimed. We've tried a number of other alternatives of which, none have been successful.

(DBCC SHRINKFILE(file, space), drop and recreate tables, etc.)

Can anyone think of any reason why these commands would not be working? If I can provide any additional information, please let me know.

Thank you in advance for any input!

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Jan 8, 2007

Hi,

I have an interesting problem here. I am running SQL Server 2005 and have a large database. After running some scalability tests over the weekend my MDF file size went up to 25GB and LDF file size went up to 27GB filling up all available disk space. I didn't do any backups, so it is understandable why the LDF file size is so large.

Now I am trying to shrink the LDF file. However, DBCC LOGINFO indicated that all LVFs within the LDF are active (Status = 2). I detached the database to make sure no active connections exist and ran CHECKPOINT, but still DBCC LOGINFO lists all LVFs with status 2. Since all LVFs are up to date I can't shrink my LDF file.

Why are all LVFs still active after detach/attach and checkpoint?
How can I shrink the LDF file?

Thanks.

Alec

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Jul 20, 2005

Is there a fairly quick and dirty way to shrink the file size allowedfor a DB on SQL server after the DB is in use?Our old DBA allowed 3 gb for log files and we don't need nearly thatmuch. However, the space is still being used and reserved. Can Ishrink that "maximum" and clear up the space?I don't want to just copy all the tables and primary keys and open anew one with the new data, though that is plan A right now.I cant just change sysfiles, it yells at me.

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Apr 19, 2007

I've been searching and reading for best practices on how to maintain a reasonable log file size while engaging in Log Shipping. I have found plenty of information on these subjects on their own, but not on how best to shrink your log size without breaking your log shipping integrity.



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Oct 12, 2002

Gurus,

I have inherited a SQL 2000 database ( (I am new to SQL DBA) and I found this when I was checking the db properites . The transaction log has grown bigger than the actual data file, I thought transaction log backups would truncate the inactive portion of the log file and shrink the transaction log, but it was not the case it seems, may be it was truncating the inactive portion of the log, but not shrinking it. This site does not have a job for truncating the data/log files periodically. What is the best method to deal this situation, how can I shrink the Transaction log quickly?,

All your suggestions are welcome.

TIA,
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Jul 7, 2004

My intention is to include a sql job to schedule for shrinking log files to half of its original log file size (if half of their original size is greater than 5MB)

The code is below. But while executing the code it is keeps on running indefinitely. can somebody throw some light what cause it to go into an indefinite loop.

Thanks
Babu

code:
====
DECLARE db_file_name CURSOR FOR
SELECT name , ceiling(size/128.0) * 0.5
FROM master..sysaltfiles
Where rtrim(lower(filename)) like '%.ldf'

DECLARE @f_name varchar(128), @new_f_size int

OPEN db_file_name
FETCH NEXT FROM db_file_name INTO @f_name,@new_f_size
WHILE @@FETCH_STATUS = 0
BEGIN
If ( @new_f_size > 5)
BEGIN
DBCC SHRINKFILE ( @f_name, @new_f_size )
FETCH NEXT FROM db_file_name INTO @f_name,@new_f_size
END
END
CLOSE db_file_name
deallocate db_file_name

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Apr 20, 2007

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Feb 18, 2008

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Feb 20, 2001

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Dec 14, 2007

I am new to SQL server.

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Feb 1, 2005

I have a webhost where it seems my control of my database is fairly restricted. I cannot backup the database because I don't have the necessary permissions. I cannot perform a DBCC SHRINKFILE (permissions) - and many other DBCC commands. I ran into a problem where my log file filled up during the middle of the day and impacted my operations - data was lost.

I found some TSQL for shrinking the log file, but the statement:
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Mar 4, 2002

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May 3, 2001

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------ ------ ----------- ----------- ----------- --------------
6 2 640 128 640 128

(1 row(s) affected)

DBCC execution completed. If DBCC printed error messages, contact your system administrator.

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Aug 28, 2001

I'm having a problem shrinking my transaction log. I have a 1GB database with a 500MB transaction log. The transaction logs are backed up every 10 minutes but it has grown to 2.2GB. I've tried backing the transaction log with TRUNCATE_ONLY and then tried doing a DBCC SHRINKFILE but it doesn't seem to work. I've checked if there were any old, long running queries but there is none. What else can I do to reduce the transaction log size?

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Any assistance is appreciated...

Many thanks,
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Oct 18, 2001

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