Backup Data Retention Time?
Nov 12, 2007
I have just started in the scary world of SQL Server admin and am trying to unravel the mysteries of backups etc.
If I run 'BACKUP DATABASE xxx TO DISK = 'D:DB_Backupsxxx.bak' WITH RETAINDAYS = 7' each day, each db backup if appended to the same '.bak' file and the RETAINDAYS protects the backup from being deleted by SQL Server. OK so far. But does anyone understand what criteria is used to decide when to overwrite the older backups? My backup file is getting bigger everyday, with no sign of any of the old data being deleted! Do I have to wait for the entire disk to become full before they start to get overwritten? Or should I just not worry and trust that it will do it all correctly?
Any ideas would be much appreciated.
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Jul 13, 2006
In sql2005 the database backup retention has been added in sql server properties in database setting.
In 2000 we had a comfortable option to set retention based on maintenance plan,files and also our space availabilty.It has helped the dba's a lot.But it has been removed in sql 2005.
Is that sql server setting is the only retention period setting or do we have to set in anyother tabs..
Thanks
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Sep 22, 2015
For the best practice I issued full SQL Server database, differential and transaction log backups. I have setup a process to backup to local disks and then also copy the files to a centralized set of storage. On a weekly basis the centralized file system is backed up to a tape backup device. I know I can get data off of the tapes, but that process is time consuming, not well tested from my perspective and I am not in control of the overall process. Can you offer some recommendations from a SQL Server backup retention perspective?
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Apr 18, 2005
Hi
I am running a couple of sql 2000 SP3a servers with merge and snapshot replication. One server acting as publisher and distributor and the rest subscribers. On one of the server I have got the error below and have tried most of the suggestions by msdn. This server has not crashed ever before or any hardware problems. It has been running for a couple of months and no problems. This has not happened no any of the other servers. Any suggestions would be greatly appreciated as the only resolution I have left is to bring up a new instance, setup replication and see if this would resolve the issue. Stopping and starting of agents don't work.
[4/18/2005 11:59:20 AM]BRAAMPDC1ICAS2000.HO_Master: {call sp_MSgetversion }
[4/18/2005 11:59:20 AM]BRAAMPDC1ICAS2000.distribution: {call sp_MShelp_subscriber_info (N'BRAAMPDC1ICAS2000', N'EASTSRV3')}
Connecting to Subscriber 'EASTSRV3.ICASData'
Server: EASTSRV3
DBMS: Microsoft SQL Server
Version: 08.00.0760
user name: dbo
API conformance: 2
SQL conformance: 1
transaction capable: 2
read only: N
identifier quote char: "
non_nullable_columns: 1
owner usage: 31
max table name len: 128
max column name len: 128
need long data len: Y
max columns in table: 1024
max columns in index: 16
max char literal len: 524288
max statement len: 524288
max row size: 524288
[4/18/2005 11:59:27 AM]EASTSRV3.ICASData: {call sp_MSgetversion }
Percent Complete: 2
Connecting to Subscriber 'EASTSRV3'
Percent Complete: 3
Retrieving publication information
Percent Complete: 4
Retrieving subscription information
Percent Complete: 4
The merge process is cleaning up meta data in database 'HO_Master'.
Percent Complete: 4
The merge process cleaned up 0 row(s) in MSmerge_genhistory, 0 row(s) in MSmerge_contents, and 0 row(s) in MSmerge_tombstone.
Percent Complete: 4
The merge process is cleaning up meta data in database 'ICASData'.
The merge process could not perform retention-based meta data cleanup in database 'ICASData'.
Percent Complete: 0
The merge process could not perform retention-based meta data cleanup in database 'ICASData'.
Percent Complete: 0
Category:NULL
Source: Merge Replication Provider
Number: -2147199467
Message: The merge process could not perform retention-based meta data cleanup in database 'ICASData'.
Percent Complete: 0
Category:COMMAND
Source: Failed Command
Number: 0
Message: {call sp_mergemetadataretentioncleanup(?, ?, ?)}
Percent Complete: 0
Category:SQLSERVER
Source: EASTSRV3
Number: 11
Message: General network error. Check your network documentation.
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Sep 8, 2006
Hi SQL Replication Gurus:
I got some issues in my production environment, so please help me out. The following is the message I got from the replication monitor and I don't what to at this point.
Appreciate you help.
Yong
==========================================================================================
Command attempted:
{call sp_mergemetadataretentioncleanup(?, ?, ?)}
Error messages:
The merge process could not perform retention-based meta data cleanup in database 'TT'. (Source: Merge Replication Provider, Error number: -2147199467)
Get help: http://help/-2147199467
Transaction (Process ID 73) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction. (Source: ply-db-svr1, Error number: 1205)
Get help: http://help/1205
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Jun 25, 2015
I am reading about the RESTORE command to a point in time using logs, I would like to know the minimum point in time recovery for a backup image using T-SQL command before applying a log restore and what are the log ranges needed for the restore during restore.
My Version 2008 R2
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Apr 20, 2004
I am trying to change the default number of SQL errorlogs from 6 to 12. Does anyone know how to change that?
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Dec 4, 2007
I have members in a database who have paid thru dates. I am creating retention reports
I created a cross tab in Crystal (using SQL) that counts records that paid within a certain year. I need to create a script that will let me find when members skip payment for a year. Any ideas?
I was thinking of running a count of all paid (Activity) records, but still kind of stuck.
DZ
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Nov 6, 2007
I currently have a simple transactional replication setup for a database. My publisher and distributor are on the same box. The subscription is setup using a push agent.
My question is related to recovery of the subscriber.
So lets say replication is setup and working fine. Suddenly we had a failure on the subscriber database. Now I could just reconfigure the subscription, and the subscribing database would be back up and good to go, but the problem is that over time, we have made some changes to the subscribing database that are not made in the publisher. For example, the tables have different indexes. Just reconfiguring the subscritpion would not recover these objects.
So I have to acutally restore the subscriber database. So I do that, and apply transaction logs up to the most recent transaction log backup. Now, consider that my transaction log backups on the subscriber happen every 4 hours, and the most recent transaction log backup I had was from 3 hours ago. So now at this point, my subscribing database is 3 hours behind my publisher.
Now, will the distribution agent resend the missing 3 hours of transactions?
In the distribution agent properties, there are two settings for transaction retention, "at least" and "but not more than". Currently they set to 0 and 72 hours respectivly. Now I would assume that if I set the "at least" setting to the subscriber transaction log backup period, in this case 4 hours, I would be covered, and the distribution agent would indeed re-replication the transactions that happend since the recovery point 3 hours.
I just wanted to verify that this is acutally what these settings are refering too, and that if I set the "at least" setting to 4 hours, I would be covered.
- Eric
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Jul 25, 2006
Hi
Pl any one tell me which algorithm is better for Customer retention Using SQL server 2005 analysis services
It will be great if some one can give the same with example of data model with key column , and rest
Thanks in Advance
Rajesh Ladda
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Sep 19, 2007
I'm curious what are considerations for choosing a good transaction retention time? The default SQL uses is 0 to 72 hours. With this setting I found that cleanup was taking upwards of 30 minutes (for a process that defaults to run every 10 minutes). I've read that lowering it can improve performance, and that also you don't want this running too long because of deadlock issues between this and the log reader. So how short is too short? Optimally, since the system this runs on is under heavy use I'd like to optimize this as much as possible, which makes me think that the smaller the retention the better, but is something like 1 or 2 hours too short? What are possible consequences of such a short period of time?
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Sep 11, 2007
I want to change the history retention time because the history stores about 1 gb of detail per database per day in the msdb
Some of the log shipped databases have a monitor server option that has a setting for retention time
but most of the log shipped databases are not using a monitor server since the option was unavailable at setup.
So is there a way to change the history retention time
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Feb 21, 2014
I want to store data warehouse source tables and files in an Archive schema and then delete / drop them after a specified period of time.
Is there a table property that I can set (can't find one) or some other mechanism so that I can easily identify these tables with a script.
If there is no such property or feature within the database engine I will define a metadata table and record it there, but a property or similar that I can set at archive time would be very handy.
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Aug 27, 2015
We have retention policy , and pay at the time year completion , now policy change and it is converted from yearly to monthly and this with effect from April-15.
if calculate the pay system will generate the Arrear payment of the employee from the month of April onward but i already paid the retention amount for month for two month April and May which i need to deduct the same otherwise this will double amount .
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Apr 25, 2014
Sample Table
USE [Testing]
GO
/****** Object: Table [dbo].[Testing] Script Date: 4/25/2014 11:08:18 AM ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
[Code] ....
It seems to work fine with one million records.
Each primary key is unique, but the begindate is non-unique, and i guess even if i use datetime2 and add nanoseconds, from what i have read, there is a chance that i could have a duplicate datetime since the date is imported via XML from multiple sources.
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Oct 7, 2015
I have a table called employee_punch_record that we use to store employee time clock punches.
The columns are:
employeeid,
punch_timestamp,
punch_type (In / Out),
closed (bit used as status for open or closed pay periods),
ident
Here are some examples of a record:
bkingery62015-10-06 16:59:04.000In0
bkingery72015-10-06 16:59:09.000Out0
bkingery82015-10-06 16:59:13.000In0
bkingery92015-10-06 18:22:44.000Out0
bkingery102015-10-06 18:22:46.000In0
bkingery112015-10-06 18:22:48.000Out0
bkingery122015-10-06 18:22:51.000In0
tfeller52015-10-05 17:00:05.000In0
We are using SQL Server 2008 as our database and use Access as a GUI. I am looking to create a form in Access where employees can access their time card and request changes from management. I want to use the format from the attached screen shot for the form. I pretty much know how to do it all, the only point of complication is trying to figure out the easiest way to get the transaction punch record data on employee_punch_record into a format where I can easily populate the form in the horizontal format you see in the screen shot.
I am not super strong in SQL, but figure I can do it using a formatting table of some sort. quick and easy way to move transaction records into a more horizontally oriented record?
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Aug 26, 2004
I am going to schedule the back up sql server database, i want to know how long it will finish. how can i check the total time. Thanks.
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Mar 29, 2007
I currently use 7 days for subscription expiration setting for my two merge publications, which will cause metadata to clean up very 7 days. Now I need to increase the retention period to be 14 days. How I can avoid missing metadata after cleanup? Microsoft ms151188 (http://msdn2.microsoft.com/en-us/library/ms151188.aspx) warns that publisher may not have enough metadata, which may lead to non-convergence. I want to change this setting without causing any data loss.
Thanks much,
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Jun 5, 2002
SQL7, sp3
I run a backup each night via a job, using a backup set. The question/concern is: the timestamp on the physical backup set file doesn't not change but SQL says in the history of the job that the backup is successful. I checked the system time on the server and it's current, it's todays date, but again last night's backup says May22. Should this be cause for alarm? Bug??
thanks,
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Aug 2, 2006
Hello, I am new to the forum and hopefully someone can help me with the
problem I have. Lately, I noticed that my sql statements are timing out
during the time SQL server is running backup job. The errors I am
seeing in the log are:
Process 59:0 (724) UMS Context 0x06403BC0 appears to be non-yielding on Scheduler 1.
Error: 17883, Severity: 1, State: 0
I am running SQL Server 2000, Enterprise (SP4)
I believe this problem should have been fixed in SP3a. I even tried
rolling back to SP3a, but still experience the same problem. Does
anyone else have experienced this issue?
Thanks.
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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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Aug 10, 2000
Hi Everybody:
We plan to do point-in-time recovery for certain databases. We plan to do Complete Database Backup every night and transaction log backup every two hours from 8:00 AM to 5:00 PM. I have following questions regarding the log backup.
1. There are two type of backup 'Append to media' or 'Overwrite'. If I choose 'Append' for log backup, is that mean I only need to restore database against last log backup file because all previous log backups have been accumulated there?
2. Can I automatically truncate log after the backup is done? How I can do it?
Thank you very much.
Joan
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Dec 6, 1999
Hi guys.
I am having trouble in time issues while backuping my database.
My database size is around 50GB. It is taking around 5hrs.
Is there any way to reduce the 5 hr backup time to 3 or less.
Thanks in advance
MAK
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Jun 17, 1999
I do hourly transaction log backups at 9,10, 11 etc...
When I restore from a 9:00 backup I clearly see changes that I made after 9:00 am!!!
I then noticed when I go to my scheduled backups that a 10 am backup was indeed done
but in the "restore from device" tab it says the last backup was at 9 am.
Apparently it is not showing the actual latest backup that was done. This explains why
when restoring from a 9am backup I am seeing changes after 9, because in reality
I am restoring from a 10 am backup!
Is this a bug? I am running on 6.5 sp 5a.
thanks in advance....Mary
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Jul 28, 2004
How much time does a 20 g tape backup take to recovery
I am on 6.5 sql and have compacq 15/30 gb DLT
How best to configure a standby sqk 2000 server
salim
__________________
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Jul 20, 2005
Hello. Have a strange one here. I'm backing up databases locally to a driveon the server daily. I needed to change the time of the backup, and didthat, but it's still occuring at the old time.I deleted the old job, and recreated it with the new time. I won't knowuntil tonight at 12:00 whether that worked or not.Can someone tell me where it saves the maintenance schedules and how itkicks it off? I'd like to take a look at it to see if it's still there.I'm a little bit of a newbie on SQL server, so be gentle. :-)--If responding to me directly, please take out "REMOVE" from my e-mailaddress.Thanks!Doug
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Nov 23, 2015
SQL Server 2008 R2
I don't see a "general discussion" thread and this is the closest i think.
I just have a general question: if my backup window is from 8am to 10am, and i do a restore within that backup window, what will happen? assuming we're talking only of a single database, ACME.
I'm comparing because with Oracle RMAN, it pukes when i do a restore while the backup is going on. it would complain of unable to find some archive logs.
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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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Oct 30, 2006
Hello all. I was just wondering how I could add the current date and time to the name of the .bak file. I perform a full backup daily and would like to keep a weeks worth of backups, but everytime I run the job, it just overites the previous one.
The command in the wizzard is:
BACKUP DATABASE [snl] TO DISK = N'C:Backups_for_FTPSNL_Full.bak' WITH NOINIT , NOUNLOAD , NAME = N'snl backup', SKIP , STATS = 10, DESCRIPTION = N'SNL Backup', NOFORMAT
Thanks,
Parallon
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Sep 21, 2006
Hello,I am using SQL Server 2000 with SP4. I have a database with two fullbackups at 4:00 PM and 5:00 PM and a transactional log backup at 5:30PM. Is there a possible way to do a point in time restore to 4:30 PM,that is between two full backups?When I try to use the transactional log backup that is taken at 5:30, Ican never specify a time before 5:00 PM. Is the transaction logtruncated at each full backup? If so, even if you take transactionallog backup every ten minutes, and full backups every once in a while,there will be some point in time which cannot be recovered to, namelythe time between a transactional log backup and a full backup. Take alog backup at 4:50, and full backup at 5:00 and you can never recoverto 4:55, can you?Any insight on the topic will be appreciated,Regards,M. Baris Caglar
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Jul 20, 2005
We're considering purchasing an application,which stores some data in the filesystem, andsome data (meta data and links to files) inMS-SQL.We need to be able to create a backup whereinthe database and files are "in synch" (in other words,in a consistent state). We need to maintain the"referential integrity" between database and files.What I'm thinking of is something like this:1. stop the application server2. set database to readonly (flush updatesfrom cache to disk)3. backup database to disk files4. back up application files and backup files.(We could use "snapshot" capabilities of our diskhardware, so that the backup could run against thesnapshot; that would minimize downtime.)4. set database to read_write; restart app serverRecovery scenario would be:1. Stop application server.2. restore application files and database backup files3. restore database from disk backup4. restart application serverIs there a simpler way to get a "point in time" backupof application files and the database?
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Oct 27, 2007
Greetings, All -
Is it possible to restore to a point in time without a preexisting full backup? The situation is this:
I have a table in the DB from which an unknown number of records were accidentally deleted. The table in questio has about 2 million records; the user ran a query to delete all records from the table by accident, and cancelled the query after about 3 seconds.
The DB recovery mode is full, so I should be able to do a point in time restore to go back to just before the deletion, but unfortunately, the DB has never been backed up, so I have no backup to work from.
The DB has not been used since the incident, and is otherwise operational, but I need to recover these records if at all possible. All the instructions I've seen for this involve restoring from a full backup first, then restoring the log backup second. Is there any way for me to accomplish the same task?
Mark Faulcon
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Mar 30, 2007
Hello,
I'm trying to figure out why my transaction log backup is taking up to an hour to complete. I started off with a full recovery model with a Full database back up every Sunday, differential backups every Tuesday/Thursday and log backups every 5 minutes. I would have thought that the log file backups would execute much quicker because I'm backing them up more often.
Here is my backup statement, I'm hoping I've got a wrong option that you can point out to me:
BACKUP LOG [xxxx] TO [LogFilexxxxBackups] WITH NOINIT , NOUNLOAD , NAME = N'xxxx log backup', SKIP , STATS = 10, NOFORMAT
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