Backup File Size Problem
Apr 18, 2008
I have installed the sql server management studio express for my express edition of studio 2005 for backup purposes.
I need to automate backing up my database.
I created a backup script and have successfully got sched tasks to backup each night. the problem is it is not overwriting the previous data. My first backup was 1 gig, the next night the file was 2 gig, the next it was 3 and so on.
This is not due to that much data being added to the db.
When I go to restore, I have the option to restore any of the 3 backups. I would like my backup to be a single image of the database at the last backup time. How can I do this?
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Apr 15, 2008
I have a log file that is approximately 50 GIG. I backed up just the log and the file size of the .bak is 192 GIG . Why is this? Shouldn't it be closer to the 50 GIG.
Normally I wouldn't let log grow this much. But we are in process of getting new server up and running and don't have backups going yet. They are working on getting that up and running this week.
So I did a log backup to give me back some log space for now but was concerned when I saw the size of the .bak file.
When I view media contents of the backup device it shows one tranaction log back up and size of 192 GIG.
What is up with this. I know in SQL 2000 the log backup files where never this big. they were about the size of the log itself.
Any ideas?
Stacy
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Feb 4, 2004
Hi all,
How can I see what is exact size of SQL server backup file while backup is running. The process is running for more than 2 hours, it is chewing up disk space (it already took about 20G), but the size of backup file is still showing as 0.
Thanks in advance
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Dec 12, 2007
what will be size of backup file(FULL) for 1TB database. Just wanna make sure backup is done right.I did a full backup of 1TB database and backup file came like 507GB. I am using GUI for backup.But it completed 100% but didn't give me the screen'The backup is completed successfully' .it says executing---0%
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Oct 27, 2004
How does backup database command works? I don't see size of database backup file increasing while backup is in progress OR is it locked till the backup is finished.
Thanks.
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Jan 9, 2008
hello guys,
Please bare with my english.
Is there a way to compute for the backup file size of the database.
Example.
DatabaseName
TEST_DB
*in MB
DataSize DataSize_Used DataSize_UnUsed
150.00 81.00 70.00
LogSize LogSize_Used LogSize_UnUsed
30.00 1.00 29.00
When I run a backup for TEST_DB ,
*base on this figure - can we compute the the estimated backup file size for TEST_DB?
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Oct 15, 2007
Dear All,
I am using Append to media backup option in 2000 Version. The size of backup is growing. how can I best create the maintenace plan to clear the history or clear the old files in BACKUP (.bak) file but still be able to restore point in time from same physical file. I
Is there any side effect of doing that.
Thanks,
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Jan 3, 2007
I'm having a problem. When I use the SQL query to make a backup of the database, it worked fine. But everytime I use it, the backed-up file's size kept growing in size. Say I have the file, test.bak whose filesize is 450 MB then I run a new backup to overwrite the existing test.bak file, it just end up as 900 MB. If I run it again, it become 1350 MB and so on.
Is there a way to prevent that from happening?
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Apr 21, 2014
finding the database size from the backup file.I have SQL 2012 backup file, is there any way to find the estimated database size from the backup.I tried restoring , i got an error saying " no space need additional xxx bytes " ...does this error gives the exact space needed to restore ?
One more question....one of the backup file size is 7.2 GB, when i try to restore it ....it throws error saying it needs 292GB extra space while only 100 Gb is available. How come 392 Gb sized database becomes 7.2 Gb .bak file ?
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Jul 22, 2015
In a recent attempt to keep the size of my transaction log files down I altered the schedule of my SQL Server log backups from running every 15 minutes from 07:00 to 19:00 to run every 15 minutes.My company also uses a Dell AppAssure application to also take backups. The backups are of the entire drives so I don't this will affect the size of my SQL log files but I did notice that AppAssure has a tick box to truncate the SQL logs so it made me wonder that it could affect the size of my log file. The Appassure backups currently run every 15 minutes from 07:00 to 19:00. I'm wondering if I would be able to maintain my log files at a smaller size if I ran this every 15 minutes from 07:00 to 07:00.
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Mar 8, 2015
My backups are failing sometimes.My db size is around 400 GB and we are taking backup to the remote server. Free size available on the disk is showing 600 GB but my database full backup run more than 10 hrs and failed. The failure reason is there is not enough space on the disk.
What could be the possible failure reasons? It has more than the the database size on the backup server but why it is showed that msg on the job failures. I noticed same thing occurred couple of times in the past.
Is there any way to find how much the backup file will be generate before we run the backup job?
i.e. If we run the full backup of test1 database now, it will generate ....bak file for that test1 db
currently we are using maintenance plan and with compression (2008R2) and the database has TDE enabled
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Sep 4, 2007
I am trying to resize a database initial log file from 500M to 2M. I€™m using€?
ALTER DATABASE <DBNAME> MODIFY FILE ( NAME = <DBLOGFILENAME, SIZE = 2 ) "
And I'm getting "MODIFY FILE failed. Specified size is less than current size." I tried going into the database properties and setting the log file to 2M, but it doesn€™t keep the changes.
Any help with this process?
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Jun 15, 2006
I installed sql 2005 a while back. Then I recently found out my file system was fat32 (I don't understand why the hardware people did this...) and I had to convert to NTFS. Naturally the sql service no longer worked so I uninstalled inorder to reinstall now I can't reinstall it I keep getting this message
native_error=5039, msg=[Microsoft][SQL Native Client][SQL Server]MODIFY FILE failed. Specified size is less than current size.
I'll try to post the full log in a new post.
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Jul 25, 2007
I have one db test with one .mdf and .ldf file...mdf file size is 100mb and for some reson i removed all the tablesfrom that .mdf file and transfer it into new secondary file so all thetables moved into secondary file now i want to reduce the first .mdffile from 100 mb to 50mb is that possible,it's showing 90mb is free.Please reply
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Oct 30, 2007
Why is it that lately our full backup (.bak) file size is more than 2x the size of the actual database file size (.mdb)?
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Apr 14, 2015
Here are my scenarios:
We have an application with replicated environment setup on sql server 2012 . Users will have a replica on their machines and they will replicate to the master database. It has 3 subscriptions subscribed to the publications on the master db.
1) We set up a replica(which uses sql server 2012) on a machine with no sql server on it. After the initial synchronization(used replmerge tool) the mdf file has grown to 33gigs and ldf has grown to 41 gigs. I went to sql server management studion . Right click and checked the properties of the local database. over all size is around 84 gb with little empty free space available.
2) We set up a replica(which uses sql server 2012) on a machine with sql server 2008 on it. After the initial synchronization(used replmerge tool) the mdf file has grown to 49 gigs and ldf has grown to 41 gigs. I went to sql server management studio , Right click and checked the properties of the local database. over all size is around 90 gb with 16 gb free space available.
3) We set up a replica(which uses sql server 2012) on a machine with sql server 2012 on it. We have dropped the local database and recreated the local db and did the initial synchronization using replmerge tool. The mdf file has grown to 49 gigs and ldf has grown to 41 gigs. I went to sql server management studio , Right click and checked the properties of the local database. over all size is around 90 gb with 16 gb free space available.
Why it is allocating the space differently? This is effecting our initial replica set up times.
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Feb 13, 2008
My database is of 10 gb, when backup is taken the size of .bak file is less than 10 gb.
Why?
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Jul 31, 2014
I need to write a process to get file size in kb and record count in a file. I was planning on writing a c# console app that takes the file path and name as a param however should i use a CLR?
I cant put a script in the ssis when it's bringing the file down because it has been deemed that we only use ssis for file consumption.
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Sep 22, 2015
What is the recommended size and file growth for a database and log file? We will be storing approx 10000 records a day.Currently we have the following:
CREATE DATABASE Dummy
ONÂ
PRIMARY
( NAME = Dummy_data,
  FILENAME = 'D:....DATADummy.mdf',
  SIZE = 250MB,
  FILEGROWTH = 25MB )
LOG ON
( NAME = Dummy_log,
  FILENAME = 'D:....DATADummy_log.ldf',
  SIZE = 50MB,
  FILEGROWTH = 5MB ) ;
GO
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Jun 25, 1999
I need to know how big SQL Server 7 backup files are in comparison to the database size. For example if I have a database that is 300 Mb and I do a complete backup to disk with SQL Server 7 will the backup file be about 300 Mb?
Thanks,
Mike
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Jul 20, 2005
I have a MS SQL 2000 dB that is 3GB, the transaction log is about 2GB.I do a full dB backup every night. My question is, shouldn't thetransaction log shrink down to next to nothing after a full dB backup?D.p8oust7eh+
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Feb 19, 2013
I have a database whose log file size is 4 time greater then data file size, and its continuously growing day by day. Recently face limited disk related issue.
Is there any way to truncate log file???
What is impact on db if i truncate log file???
Is there any way to prevent this file continuously growing???
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Dec 5, 2014
is there limitation for size of file to store in db by filestream in sql server 2008?or it accept all sizes?
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Jul 11, 2007
Using SQL Server 2005 Server Management Studio, I attempted to back up a database, and received this error:
Backup failed: System.Data.SqlClient.SqlError: Backup and file manipulation operations (such as ALTER DATABASE ADD FILE) on a database must be serialized. Reissue the satement after the current backup or file manipulation is completed (Microsoft.SqlServer.Smo)
Program location:
at Microsoft.SqlServer.Management.Smo.Backup.SqlBackup(Server srv)
at Microsoft.SqlServer.Management.SqlManagerUI.BackupPropOptions.OnRunNow(Object sender)
Backup Options were set to:
Back up to the existing media set
Overwrite all existing backup sets
I am fairly new to SQL 2005. Can someone help me get past this issue? What other information do I need to provide?
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Jan 8, 2001
I recently started using Differential backups. They are working but are growing in size a lot quicker than I expected.
The backups are growing by 2.5GB every day although the total size of all
transaction backups is under 350MB. I would have imagined that the total transaction log backups would be a good indicator of total database changes and therefore the differential backups would approach this figure.
Please explain!
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Feb 13, 2004
Hi all,
please show me the way how to calculate the size of a database in SQL 2000. Whith this size we have already calculated, how much space need to make a backup file for this database.
thanks.
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Jun 28, 2006
Has anyone come across a more accurate method than sp_spaceused to estimate the size of a full database backup for SQL Server 2000 ?
I have found this to have too great a variance (even after running updateusage) to rely on any accuracy for it. I have also looked at perhaps using the ALLOCATED Pages indicated in the GAM pages but this also seems to be pretty inaccurate.
I have a number of servers where space can be limited and backups using Maintenance Plans have occasionally failed because they delete the old backups AFTER they do the latest one. I am writing a script which can check the space remaining and adjust the backup accordingly but the variance I have observed so far with sp_spaceused is too great.
Any ideas welcomed.
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Dec 5, 2006
What is the difference between "Files aned File Groups" backup and Partial Backup?
Looks like both are same.. Please comment.
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May 25, 2004
Does any one know what could be making the size of a backup get so big in SQL server?
I noticed if you back-up the same database in Enterprise Manager over and over (without making any changes to the database), the size of the backup gets bigger and bigger. To get around this I simply erase the backup and create a new one.
Now I'm experiencing the same kind of problem, different situation. I decided to make very few changes to my database. If anything, I shrunk the size of the tables and stored procedures.... Now all of a sudden my database backup is 7 times larger.
What could be increasing the size so much, if I haven't increased the amount of tables or stored procedures?
What is the log file about? Mine is huge? Is there a way to reset it or clear it?
any help would be great.
Thank you,
Alec
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Apr 18, 2000
I have got SQLv6.5 SP5a with SMS1.2 SP4 on seperate Alpha boxes. I have automated the backups so they are scheduled for after hours. SMS gets backed up first and TEMPDB shortly afterwards. However, since a back log in SMS MIFS has happened, the TEMPDB backup displays of 100,000pages backed up. When you back it up on its own, it only shows 170+ pages.
The SMS DB is 600MB in size, the Log is 210MB, Open objects is 5000, and TEMPDB is set 210MB on its own device.
Any ideas
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Jul 13, 2007
I have a question regarding FUll and differential backup.
We we take full or diff back up, does it create lot of logs ie. Does full or diff backup has any impact on log size?
Thanks
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Sep 8, 2015
I got full backup on daily schedule its taking more space on Drive because each file has more than 25GB.I am using SLQ server 2008R2 so I'm looking to take the backup with compression instead of uncompressed Backup. What are the impacts of compressed backup. Is there any problems with compressed backup while restoring the backup file.
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Apr 1, 2008
I should restore a SQL Server 2005 Database from backup. The backup contains three files, named user.bak0, user.bak1 and user.bak2.
How is the syntax of the restore filelistonly and the restore database ... ?
I usualy write
restore filelistonly from disk = 'path and filenam.bak'
restore database. zy
from disk = 'path and filename.bak'
with replace,
move.....
move....
This works but I cannot use it with a splitted backup file. The files are much too big to put together to one file.
Thanks in advance for any help.
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