Does Fragmentation Changes After Backup/restore Operation?
Jul 30, 2007
Hello,
If i backup a database and then restore it, would physical structure remain the same? specially fragmentation.
I'm concerned about output of DBCC SHOWCONTIG.
Senario: I want to check if client database needs defragmentation, so he's sending db backup file. But is it possible that when i restore it fragmentation info has got lost?
Thank you.
STG Labs
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Jul 23, 2005
If databases on a physical drive [G:] are fragmented, and the drive isextended by adding more hard drives to the array, does it make sense tobackup and restore the fragmented databases?The Windows Server should be able to find contiguous space for eachdatabase, since it shows 75% free space on the SQL Data drive withoutany file fragments on it.Or will it restore to the original location, in which case does it makesense to delete the databases and restore them from the backups?Thank you very much!
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Apr 17, 2015
I want to automate backup and restore operation in T-sql script I need to give resource server,database and backup file location as input and then I need to restore that backup in different server so I want to give destination server as input too.
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Dec 13, 2006
We backup a lot of SQL databases. The db admin uses SQL to dump the databases to a *.bak file on a network share, then we pick them up to tape.
The problem is that for some reason, the backup files are MASSIVELY fragmented, which kills our backup speed to tape (via Netbackup Enterprise). If I defragment the drive (via the built-in tool on Win2K3 or PerfectDisk 8) our speed to tape more than doubles (can go from 16MB/sec to 36MB/sec). However, after the next SQL backup, the drive is completley fragmented once again (around 70%).
Is there any way to improve how these files are written to disk (to keep them relatively in one piece)? For some reason it appears this is a bigger issue with the SQL backup files than any other file type. Thanks.
Jim B
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Nov 1, 2012
I am working on sql server 2008. I have a database , flooded with GBs of data in each days.
I back up the database and trying to restored it on another server.
But the operation failed.
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Sep 6, 2007
Hi
I am new to Forum. So not sure if i am posting my problem uner the right topic.
We have a sql server 2005 enterprise edition 4 way cluster on windows 2003 advance server.
I am logshipping these database to a different server at a different location.
My logshipping went fine until one the cluster server failed and the server instance failed over to another node.
The backup that happened around that time got copied over to the secondary by the copy job.
The log file that got copied to the secondary server tried restoring and i think it failed int he middle of restoring it.
(You would think that the sql would knoe if the backup is in complete and will move on to the next file. Not sure what happened there.)
There is no indication of the *.TUF file in the directory where i have the log files.
I tried restoring it manually and i got the following error
Msg 4319, Level 16, State 3, Line 1
A previous restore operation was interrupted and did not complete processing on file 'sessionlog1'. Either restore the backup set that was interrupted or restart the restore sequence.
Msg 3013, Level 16, State 1, Line 1
RESTORE LOG is terminating abnormally.
I looked in the msdb..log_shipping_secondary_databases and looked for the last file that it restored and tried restoring it again with the following restore command by removing and adding some of the keywords that you see after the "WITH" clause.
MSFT do not recommand to use continne_after_error unless its absolutley necessary. I stilll get the above error.
restore log sessiondata
from disk = 'I:sql13qasmlogssessiondatasessiondata_20070901124516.trn'
with restart, CONTINUE_AFTER_ERROR, norecovery
When i add the restart int he with clause,
The restart-checkpoint file 'J:Microsoft SQL ServerMSSQL.5MSSQLBackupsessiondata.CKP' was not found. The RESTORE command will continue from the beginning as if RESTART had not been specified.
Msg 4319, Level 16, State 1, Line 1
A previous restore operation was interrupted and did not complete processing on file 'sessionlog1'. Either restore the backup set that was interrupted or restart the restore sequence.
Msg 3013, Level 16, State 1, Line 1
RESTORE LOG is terminating abnormally.
I checked it the backup directory and i can't locate the .CKP file.
Does anyone ever come accross this issue?
Is there anyother way i could recover this DB in a standby or norecovery mode.
Any kind of help to resolve this issue (beside copy the full backup and redo the whole log-shipping process again) would be appreciated. sicne my primary and secondary server are totally ina different location, i need to ship a tape, if i need a full backup. This is the 3rd time its happening on that cluster. its frustrating to ship a tape everytime this happens.
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Mar 13, 2007
Looking for some clarification on the CHECKSUM option of the BACKUP command.
If the the CHECKSUM option is specified in the backup, will the backup fail if CHECKSUM finds bad values (or at least raise an error)? Or, is it only reported when doing a RESTORE VERIFYONLY?
Thank you.
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Jun 25, 2015
I am looking for a SQL Backup/Restore tools which can restore multiple environments. Here is high level requirements.
1. We have 4 DBs, range from 1 TB - 1.5 TB Each Database. When we restore to QA, DEV, or Staging, we usually restore 4 of them.
2. I am looking for the speed to complete restoring between 1 - 2 hours for 4 DBs.
I am evaluating the Dephix Software but the setup is very complex and its given us a lot of issues with Windows Authentions, and failure in the middle of the backup. I used Guess Software many years ago but can't find it on the web site any more. Speed is very important for us mean complete restoring as fast as possible. We are on SQL 2012 and SQL 2008 R2.We are currently using NETAPP Technology and I have Redgate Backup Tool but I am mainly looking for fast Restore Process.
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Aug 6, 2006
Dim srv As New Server(".SQLEXPRESS")'
srv.ConnectionContext.ConnectionString =connection string
Dim bk As New Backup
bk.Action = BackupActionType.Database
bk.Database = application path+""+databaseName+".mdf"
Dim bdi As New BackupDeviceItem(backuppath+""+databasename+ ".bak", DeviceType.File)
bk.Devices.Add(bdi)
bk.Initialize = True
bk.Incremental = False
bk.SqlBackup(srv)
This is a pretty standard procedure for doing backups. For some reason I am getting 'Failed to connect to server. Cannot open user default database. Login failed' for MachineNameAdministrator' error message.
This error message appears when the application is loaded on to windows 2003 machine. However I have been able to do one backup on this machine in the last 2 days, so there appears to be some erratic behaviour. I am able to connect to the server to read the last database backup date (This function also occasionallly fails to connect to the server.)
This login failure does not seem to be present when I load this application on XP machines.
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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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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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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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Apr 12, 2015
I got the backup failed with error 665.
We have a scheduled weekly full backup job running through maintenance plan. We are using Sql 2008r2. Our backup server is windows 2008R2. There is plenty of space in the backup server but still my database full backup failed with the following error.
Executing the query "BACKUP DATABASE [Test] TO DISK = N'C:fullbackup." failed with the following error: "Write on "C:fullbackup est_backup_2015_04_12_200003.bak" failed: 665(The requested operation could not be completed due to a file system limitation) BACKUP DATABASE is terminating abnormally.
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Oct 14, 2007
I neglected to backup the transaction log as part of the process of backing up the database. Now i only have the backup file for the database and no transaction log backup. When i try to do a restore on the database, i get the error on a "tail log missing" message (which i'm assuming is that it's looking for the t-log backup?).
Is it possible to restore or even restore to a new database? I'm only looking to retreive data from 2 tables within the backup file.
Thanks!
SQL Server 2005 on Windows 2003 Server x64.
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Jul 6, 2007
I'm trying to test my backups by restoring from production onto a DEV machine.
However, when I insert the backup tape into the drive, then go into SSMS and right click on
Databases -> Restore Database -> From Device .... -> Tape -> Add -> (my tape drive \.Tape0) -> Contents
it displays the contents as it should.
So I click "Close" to close the contents and bring me back to the Specify Backup where I have \.Tape0 selected and I then click "OK"
SSMS sits for a few seconds, and then I get a time out error message:
TITLE: Microsoft SQL Server Management Studio
------------------------------
An exception occurred while executing a Transact-SQL statement or batch. (Microsoft.SqlServer.ConnectionInfo)
------------------------------
ADDITIONAL INFORMATION:
Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding. (Microsoft SQL Server, Error: -2)
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&ProdVer=09.00.3054&EvtSrc=MSSQLServer&EvtID=-2&LinkId=20476
------------------------------
BUTTONS:
OK
------------------------------
That's all the further I can get... any suggestions?
I'm VERY perplexed by this...
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Nov 20, 2013
I'm using SQL Server 2012 Analysis services in Tabular mode and connected to Oracle Database and while importing, I'm getting below error after importing some rows.
OLE DB or ODBC error: Accessor is not a parameter accessor.. The current operation was cancelled because another operation in the transaction failed.
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May 17, 2006
I had to replace my hard drive which was going bad. I reinstalled Sql 2005 and now need to restore the backup that I have. I selected Restore Database and chose From Device, and selected the backup location on J: drive and selected the backup file which has no extenstion. I checked the checkbox next to the backup set to restore. Click OK and then I get this error message:
Restore failed for Server
System.Data.SqlClient.SqlError: Directory lookup for the file "C:Program FilesMicrosoft SQL ServerMSSQLdataMyDB_Data.MDF" failed with the operating system error 3(The system cannot find the path specified.). (Microsoft.SqlServer.Smo)
I don't know why it is looking for a MDF file as this was never in the Backup folder. Can someone please help me on this? I thought I was doing the right thing making a backup all along and now I can't restore it!
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Dec 17, 2001
Is it possisable to restore from tape when the backup was taken from a
different server. ServerA has the tape drive which performs the backups
to tape, but ServerB which is under a different domain wants to restore ServerA database on ServerB, both databases on the two servers are the same
is it possiable to restore a database on ServerB using ServerA file?
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May 7, 2001
hello all !!
I suffered a crash on one of my disks on a server runing MS-sql 7.0,and found out my backupexec dosnt really restore a runing version of my database.
which solution would you recomend ,taking in acount i may have a copy of the database on another computer,which files i can restore?
thanks
yochai lam
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May 24, 2001
Hi I am operating my databases under "trunc log on checkpoint" mode as I do not need point of failure recoverability.I was performing a recovery test using a backup which resulted in it being unsuccessful .Error Message received was
"Recovery has failed because a nonlogged operation could not be redone.Use the RESTORE statement to restore all data in filegroup PRIMARY to a pt beyond the nonlogged changes"
Isnt sql*server supposed to prevent a non-logged operation while a backup is in progress?Also how do i prevent such a situation from recurring.
If i switch to single user mode before a backup how do i prevent exisiting users from accessing ... without bouncing my sql*server?
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Sep 25, 2001
Hi Everyone,
I did a restore of database the user the original database is admin where it says the user is dbo.
After i did the restore i was able to add admin as user and dbowner but when i tried to change the user it said the user already exists.
How do i create the same..enviroment as or the original system with users..i saw a problem i i drop the user and them recreate it then it cannot find the object or the object which are owned by it are lost..could any one help me with this ...so as how to and what do i need to keep track of while restoring the database and configure the server back with same user names and permissions.
Thanks.
Kavitha
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Sep 15, 2000
Hi,
I have two databases on two different SQL Servers,our application is updating these two databases simultaniously.So every time these two databases will be in synchronized state.
Now i want to schedule backup for these two Databases.How can i take backup of these two databases at single point of time.
so that if i restore these two backups on corresponding servers,There should not be any conflicts.
Any suggetions please....
Ananth
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Sep 6, 2000
How can I backup and restore a database from one server to another. I am new in this business. I need your help please!!!
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Jan 29, 2001
I'm trying to backup a database to remote server first i did add a device using USE master
EXEC sp_addumpdevice 'disk', 'NetworkDevice', 'cabaanpubs.bak'
then
BACKUP DATABASE pubs TO NetworkDevice
it gives me an error saying
Server: Msg 3201, Level 16, State 1, Line 1
Cannot open backup device 'NetworkDevice'. Device error or device off-line. See the SQL Server error log for more details.
Server: Msg 3013, Level 16, State 1, Line 1
Backup or restore operation terminating abnormally.
I don't really understand what's goin.
basically i need to synchronize my production database so what am i planning is to take a full backup on that server everynight and then restore it back.
Can some one guide me to take a backup as well as restore on the remoteserver with syntax and what does it mean to add a device...i could not understand.
Is there any other process that's much faster to implement.
i appriciate your support and help .
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Aug 30, 2000
Whenever I restore a backup on sqlserver 7.0 and create a new database from it, I always end up having problems with the users existing in the backup.
To enable those users to have access, I end up creating logins with those names and when I try granting those users Database access, I get the error message that the user already exists in the database.
Could some one tell me the right way to restore the backup and having all the users of the database also restored in the proper manner.
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Dec 13, 1999
WE are using sqlserver 7.0 & backing full database using Seagate backup ver 7.2 on a tape drive.
I have following questions if anybody could help
1]How do I restore a single table backup from the tape backup without restoring the full database first on the disk & then running import/export
utility to transfer/ copy that particular table to production database.
Is there any third party backup utility which allows for a single / selected table restore?
2]What are the steps or if anybody has the script for tansfering logins/users
with permisssions & without deencrypting the passwords when transfering from one server to another server.
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Nov 26, 2006
Hi there,
I am new to administration. i would like to create a development environment out of production database.
for this i have to backup the production database on a regular basis. then use this backup and restore it to a database on different. i can do this task, but i want to automate this task to do it on regular basis.
i would like to schedule my backup time. and immediately after backup i want to restore it to the database on other server, over writing existing data. what is the best way to do this???
thanks,
kishore
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Apr 20, 1999
I have a question related to SQL 6.5. We have a SMS 1.2 server which uses SQL 6.5. Two months ago, one of the NT admins did a NT backup of SMS database(sms.db) and then formatted the HD. Now, we need the SMS server back again. We installed the NT server, SMS server snd SQL server on that machine. The problem is, we now want the SQL server to recognize our SMS database (SMS.db file). We don't have any SQL backup of any database (that means, no copy of master database, no copy of other databases. IS THERE A WAY TO RECOVER SO THAT SQL SERVER RECPGNIZE THE SMS DATABASE(SMS.DB FILE)
Please help me out.
I would really appreciate that
Jazib Frahim
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Sep 21, 2006
Does some one know how to back up a dts and then restore from a backup?
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Feb 2, 2004
I have a database xxxx on server a, I want to copy this DB to server b.How can I do this By back and restore.
WHere can take this back up?I want to take this to a personal folder and wanted to restore to server b from this folder.Is it possible?
Thanks.
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Apr 11, 2008
Hi all.,
How to take Backup for whole database and how to restore it.,
which would be the efficient way.,
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Apr 16, 2008
Hi,
Can a SQL server 2005 db be backed up and restored on a SQL Server 2008 db ?
Thanks
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Jun 2, 2006
Hi
I have 2 databases namely A & B respectively..... I have written a stored procedure that takes the backup of database A ....... Both the databases are operational .... Can I restore this Backup of Database A ...to Database B .... Is it possible. ....
I have read soimething that we can do it but with the Restore command we have to use the with move option...
I dont seem to understand this can someone please help me on this one....
Thanks .......
Kid.
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