Questions On Backup
Mar 22, 2000
Using Backup wizard it would not let me choose to reorg data and index pages and
also update statistics. I don't understand why these are mutually exclusive. Does
a reorg update statistics for non-unique secondary indexes that are not clustered?
I was also asked if I wanted to backup to a backup device or to a file. In 6.5 I would backup
to a backup device which was a file on my drive. In 7.0 I am missing the distinction of
one being better than the other. Can anyone give a clue to the clueless?
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Sep 20, 2006
What is the best way to set up this back up solution. We would like to be able to restore to a point in time.
Here is what I'm planning on doing.
Full backup Sunday nights
Diff backups M-F
log backups Sunday - Friday
Now i'm guessing that we need to set up 3 jobs. The full backup job, the diff backup job and the transaction backup job.
If so i would run the full backup at 6PM on Sundays then have a log job run every 30 minuets from m-f and have a differental backup job run once M-F.
This way i can restore to a point in time correct. I'm just confused with the log backups.
If i need to restore to a point in time say Tuesday night and I take diff backups everyday at 6AM. I would first restore the full sunday backup then the Tuesday diff backup and then the all the log backups that took place after the diff backup correct?
thanks for your time.
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Aug 8, 2004
If I have a full backup scheduled at 6pm and a scheduled transaction log backup begins during the 15 minutes the full takes to complete, how would I use the transaction log backup during a recovery sequence?
Does the transaction log backup contain transactions that are captured in the full recovery since they both occured concurrently? Using RESTORE HEADERONLY I see they both are stamped as finishing at the same time.
Would I restore the full and then restore this tran log backup or go to the next tran log backup?
Thanks,
Ken
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Mar 20, 2007
In SQL 2005 SMO
documentation, there is a DeviceType enum:
http://msdn2.microsoft.com/en-us/library/microsoft.sqlserver.management.smo.devicetype.aspx
It
seems there is no doucmentation about 'LogicalDevice', what's the
difference between that and 'VirtualDevice' ? (for the latter, I guess
we need to implement a VDI driver)
Another question is that,
suppose we want to backup a database to a hard drive file, I could use
either T-SQL or SMO, what's the advantage of using SMO?
Thanks!
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Aug 24, 2007
I made a dsicovery today that must change the way I do backups. I realized that each backup ADDs the whole database to the previous backup without deleting the previous instances (for previous backup days). If it is true, and I want Jens or someone else to confirm it, then what shall I do?
I do not need this old archive. I want to just store the latest version of my database. What I've had so far is a waste.
The log files also grow to enormous size for no reason.
Shall I delete all backup files each time and recreate them before doing backups?
Also, I have trouble opening up log files. I think I did it once or twice in the past but now do not remember how I did it. The system is asking me for a proper editor and anything I tried did not work.
How shall I open a log file
Thanks.
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Nov 15, 2004
Hi everybody,
I am trying to figure out SQL Backup and restore and I was wondering if you guys could enlighten me.
I figured out how to restore a DB on my local sql box but let's say my server catches on fire and my backup is on tape, how do I restore my DBs on a different box ?
I have a second machine I built for test but apparently it won't restore from the tape.
What is the best way to back up your data in case of major hardware problem ? And how to restore it to a completly different server. I am running tapeware w/ sql agent.
Thank you, any help will be greatly appreciated. -Seb
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Feb 12, 2008
Hello,
1) We run full backup on SQL server 2005 on weekly basis (Sundays), diff - every night, and backup of tran logs every hour. Let me descrive the following scenario: if our server would crash on Wednesday at 5 pm, how can I restore it properly? Do I need to restore it from full Sunday backup + latest diff backup from Tuesday night + latest tran logs from 4 pm? We have full recovery mode on the databases.
2) If we change recovery mode from full to simple, is it possible we have data loss in case if the server crashes let's say at 1 pm, and we have full backup only from previous midnight only?
Thank you,
Julie
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Jul 23, 2005
Hi All,I have several questions about checking backup file :a. When SQL Server receive a command :BACKUP DATABASE test to DISK = '\pc1etdbBTEST',does it verify BTEST file before ending the job ?b. Is there any special command for checking / verifyinga backup file ?c. If I send a restore command using a file infectedby a virus, what action will SQL Server take ?Thanks in advanceJohn S*** Sent via Developersdex http://www.developersdex.com ***Don't just participate in USENET...get rewarded for it!
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Nov 17, 2006
Hi,
I am thinking of using SQL and VB express for a project. Reading different versions information lead me to the following understanding on bakups and report services. Please comfirm my understanding or correct me if I am wrong. Any suggestion is always welcome.
1. SQL express does not include Agent Job Service so I cannot schedule a backup job or daily report to run automatically at a specific time. Is there a work around on this?
2. If I install the SQL express with the Advance Services edition, I still have to install the express tool kit to get the business intelligence developer studio in order to generate the reports. Do I have to install both on the same machine (the server) or the advance edition on the server and the tool kit on the client machine?
Thanks,
Bernie
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Mar 3, 2006
1. Is it legal and OK to use a MSDN SQL copy on a production environment or is it strickly for test environments ??
2. If I own a legal copy of SQL 7 with 5 cals, can I legally use SQL MSDE and have more than 5 people access my SQL server or am I also limited to 5 users as my original ??
Sorry I am a newbie at this SQL thing.
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Jan 31, 2008
Hi there
I'm getting this message on my third automated backup of the transaction logs of the day. Both databases are in full recovery mode, both successfully backed up at 01.00. The transaction logs backed up perfectly happily at 01:30 and 05:30, but failed at 09:30.
The only difference between 05:30 and 09:30's backups is that the log files were shrunk at 08:15 (the databases in question are the ones that sit under ILM2007, and keeping the log files small keeps the system running better).
Is it possible that shrinking the log files causes the database to think that there hasn't been a full database backup?
Thanks
Jane
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Aug 23, 2013
On the SQL Server the Event Viewer shows the same messages and errors every evening between 22:05:00 and 22:08:00. The following information messages are shown for every database:
"I/O is frozen on database <database name>. No user action is required. However, if I/O is not resumed promptly, you could cancel the backup."
"I/O was resumed on database <database name>. No user action is required."
"Database backed up. Database: <database name>, creation date(time): 2003/04/08(09:13:36), pages dumped: 306, first LSN: 44:148:37, last LSN: 44:165:1, number of dump devices: 1, device information: (FILE=1, TYPE=VIRTUAL_DEVICE: {'{A79410F7-4AC5-47CE-9E9B-F91660F1072B}4'}). This is an informational message only. No user action is required."
After the 3 messages the following error message is shown for every database:
"BACKUP failed to complete the command BACKUP LOG <database name>. Check the backup application log for detailed messages."
I have added a Maintenance Plan but these jobs run after 02:00:00 at night.
Where can I find the command or setup which will backup all databases and log files at 22:00:00 in the evening?
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Feb 18, 2015
SQL Server 2008 r2 - 6 GB memory...I attempted a backup on a 500GB database but it was taking way too long. I checked the resources on the box and saw the CPU at 100%. I checked the SQL Server activity log and saw a hung query (user was not even logged on) that had multiple threads so I killed it and now the CPU utilization is back to normal.
Trouble is, now all of the threads in the activity monitor for the backup show 'suspended' and the backup appears to be not doing anything.
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Feb 9, 2004
Hi,
I use the Transact-SQL BACKUP statement in Visual Basic to backup my local MSSQL Database. It give me this error
Error 3041
BACKUP failed to complete the command BACKUP DATABASE [BCFPC] to BCFPCBKP
I already created a backup device called BCFPCBKP and it is backup to the disk.
I tried to run the same BACKUP statement in SQL Query Analyzer and it worked fine. I tried to run my VB application in another PC. It worked fine when i use this command remotely. Can anyone tell me what's the problem?
Thanks in advance
regards,
M.Y. Yap
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Feb 19, 2015
Using Ola Hallengren's scripts I do a full backup of a database on a Sunday. Then differential backups every 6 hours and log backups every hour. I would like to keep a full week of backups based off the full backup done on Sunday. Is there a way for me to clear out the diff and log folders after the successful full backup on Sunday nights?
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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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Dec 28, 2007
Windows 2003 backup utility uses the shadow copy option that allows it to copy open files.
Therefore, can I use this utility to backup the .mdf and .ldf files for my SQL 2000 database?
I can then attach the .mdf files if I need to restore the database to another server.
Can anyone tell me if this is safe? I've tried it and it worked but I'm worried there maybe some lurking danger in using this approach.
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Jul 15, 2015
We take a full backup in the early morning and hourly transaction log back during the working hours for one database in the production server. The application team made certain changes to the design of the said database in their development server. The backup from the development server was restored to the production server during working hours. After the restoration should we take a full backup before next transactional logbackup? Would the transactional log backup with out a full backup after the restoration of a database be valid?
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Mar 13, 2015
I've written a custom script to delete backup files from location. But unable to modify now to count the number of files are deleted. How to modify the script...
/* Script to delete older than N days backup from a specific directory */
USE [db_admin]
GO
IF OBJECT_ID('usp_DeleteBackup', 'P') IS NOT NULL
DROP PROC usp_DeleteBackup
GO
[Code] .....
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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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Dec 29, 2014
I'm looking to schedule a maintenance plan for my databases which I have done.I'd like this database to be copied to another folder and the name altered to include the file name and the current date time stamp.Is this possible in the scheduled maintenance plan?
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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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Nov 16, 2015
I have a database that is just over 1.5GB and the Full backup that is 13GB not sure how this is since we have compression on for full backups and my other full backups are much smaller than there respective databases...Now my full backup is taken every Sunday night and the differentials are taken every 6 hours after the full backup. Now I have been thrown into this DBA role with little to no experience just what I have picked up and read. So my understanding of backups are limited but what I think I understand is that we take a full backup and the differential only captures what changes in the database so my question is why is my database 1.5GB but my differential is 15.4GB? I have others database that are on the same instance and don't seem to have this problem. I also just noticed that we do not rebuild the index before a full backup like we do on other instances...
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May 10, 2001
This is probably a simple question but I have to ask it anyway. When backing up I can backup to a file on my local drive but I also can create a device to the same location on my local drive. Is this doing the same thing. If I so desire to backup to the local drive(bear with me) what is the difference between creating a device and a file called mybackup or just choosing to backup to a file called mybackup? Should I always create a device? I know these are dumb question but....
Jason
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Dec 7, 2001
How do we know the list of all the backups that are present in a particualr backup device like file# and time of backup taken etc for the purose of restore?
When I run :
RESTORE HEADERONLY FROM BackupDeviceName
it doesn't give that info. Can anyone tell me the exact command to list all the files of a backup device so that I can restore the right one??
Thanks.
Shalini.
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Nov 29, 2007
If my backup starts at 8PM and take 1 hour to complete, will the changes made to the database during that hour be captured in the full backup?
Stated another way, will my backup be a snapshot of:
a) 8PM when the backup started
b) 8PM with some of the changes made between the hour
c) 9PM when the backup finished?
Anybody know the exact way SQL Server handles that logic?
Thanks,
Marc
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Jul 19, 2007
Hi
I am using the Simple recovery model and I'm taking a weekly full backup each Monday morning with differentials taken every 4 hours during the day.
On Wednesday afternoon, a programmer ran a process that corrupted the db and I had to restore to the most recent differential. It was 5pm in the afternoon and a differential backup had just occured at 4pm. No problem, I figured.
I restored the full backup from Monday morning and tried to restore the most recent differential backup. The differential restore failed. Since I had used T-SQL for the initial attempt, I tried using Enterprise Manager to try again.
When viewing the backup history, I see my initial full backup taken on Monday plus all the differentials. BUT, on closer inspection, I noticed another full backup in the backup history that was taken early Tuesday morning. I can't figure out where this Tuesday morning full backup came from. It wasn't taken by me (or scheduled by me) and I'm the only one with access to the server. My full backups are usually named something like HCMPRP_20070718_FULL.bak. This erroneous full backup was named something like HCMPRP_03a_361adk2k_dd53.bak. It seemed like it was a system generated name. Not something I would choose. To top it off, I could not find this backup file anywhere on the server and when I tried to restore using this full backup, it failed.
Does anyone have any clues as to where this full backup might come from? Does SQL Server trigger a full backup on its own if some threshold is reached?
I ended up having to restore using the differential taken just before this erroneous full backup and lost a day of transactions.
Any insight is greatly appreciated.
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Apr 15, 2008
I have only one tape drive.
My server is using the SQL server 2005 backup tool and arcserve backup tool to backup different files .
Everytime I need to disable and enable the tape device driver (in device manager /windows) before I can use SQL server 2005 backup tool.
Everytime I need to disable and enable the tape device driver (in device manager /windows) before I can use arcserve backup tool.
It seems that the tape device resource is held by softwares even the tape drive is not in use.
What should I do to make the tape drive shared by different softwares?
Regards,
Manuel
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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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Aug 4, 2007
Backup failed to complete the command backup database [ ] TO VIRTUAL DEVICE = ' { 853D3FC0 - 45EA -85B1 - 54F0EA379CAC } 24 ' WITH SNAPSHOT , BUFFERCOUNT = 1 , BLOCKSIZE = 1024
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Aug 8, 2007
Hello,
I have MS SQL 2005 server with 300+ databases on it. The application is set up that way that it creates a new database as needed (dynamically). Do not ask me why - I hate this design... So, it can create 3-4 databases a day (random time).
I've scheduled full backup of all databases to run once at night, and it runs just fine. Besides that, I have scheduled tran logs backup of all databases to run every hour. This backup fails from time to time with the following error:
Executing the query "BACKUP LOG [survey_p0886464_test] TO DISK = N'D:\backups\log backups\survey_p0886464_test_backup_200708072300.trn' WITH NOFORMAT, NOINIT, NAME = N'survey_p0886464_test_backup_20070807230002', SKIP, REWIND, NOUNLOAD, STATS = 10
" failed with the following error: "BACKUP LOG cannot be performed because there is no current database backup.
BACKUP LOG is terminating abnormally.". Possible failure reasons: Problems with the query, "ResultSet" property not set correctly, parameters not set correctly, or connection not established correctly.
So, I think what happens is since my full backup of all databases are scheduled to run only once at night, and tran logs every hour, when new database is created during the day, there is no full backup for it, that is why tran logs backup fails. Becuase after the failure, if I run full backup again, then tran log runs just fine afterwards.
I am new to MS SQL Server, I am mostly working with Sybase IQ. Do you know if I can "trigger" full backup every time when new database created to avoid tran lof failure?
Or is it possible to schedule full backup to run if tran log backup fails?
Any advice will be much appreciated.
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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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