Tail Log Backup + Log Shipping Fail-over
Jul 14, 2007
Hi!
i have a question regarding tail log backup.
I have set up logshipping between primary and secondary servers. Now when i want to fail-over to secondary, I am planning to take the tail log backup on primary
backup log primarydb
to disk=N'..',
with norecovery
and then I will restore this tail log backup to secondary
restore log secondarydb
from disk=N'',
with recovery
Will there be any issue with this approach?
Will I be able to recovery the primarydb if i want to, in future? Taking tail log backup doesnt cause any issues? Or do i need to take the full backup of primary before I take tail log backup..in case if I can not recover the primary db after taking the log backup?
How big the tail log backup can be? Will it be of similar size of other normal transactional log backups.?
Any help would be appreciated.
Thanks
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Apr 28, 2008
I have a small doubt.
full backup F1 6 am
t-log backup T1 7 am.
t-log backup T2 8 am.
suppose if the system crashes at 8.30 am
the restore order is F1 T1 T2.
through this we can restore up to 8 am . then what abt 30 min data.
how can we eliminate that data loss.
generally people say we have to use tail log backup.
if we are not able to acess to sql server how can we take tail log backup.
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Nov 1, 2007
I am trying to work with a sample database to better understand disaster recovery. I have setup a scenario with a full backup, several differential backups and several transaction log backups.
In order to simulate a crash, I renamed one of the '.ndf' files and restarted the sql server service. Ideally this would put the database in 'offline' or 'suspect' mode. I should then be able to go in via Mgmt Studio and perform a final backup log to get all the records at the tail of the log.
However, when i am unable to access the database via SSMS - I get the following error:
Msg 945, Level 14, State 2, Line 1
Database 'xxx' canot be opened due to inaccessible files or insufficient memory or disk space. See the SQL Server errorlog for details.
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Feb 15, 2007
After a manual backup, I attempted to restore, and got the following error:
System.Data.SqlClient.SqlError: The tail of the log for the database "MSC" has not been backed up. Use BACKUP LOG WITH NORECOVERY to backup the log if it contains work you do not want to lose. Use the WITH REPLACE or WITH STOPAT clause of the RESTORE statement to just overwrite the contents of the log. (Microsoft.SqlServer.Smo)
suggested link to Microsoft site had no articles. How can I fix?
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Oct 29, 2007
When performing a tail log backup to an online database through SSMS, the database is placed in restoring state. Is there a proper procedure to take the database out of restoring state after the backup is completed?
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Nov 8, 2007
I am getting following error in windows event viewer so can u tell me how to slove this problem
1.The log shipping primary database Aric-PCSQL2005.AdventureWorks has backup threshold of 30 minutes and has not performed a backup log operation for 319 minutes. Check agent log and logshipping monitor information.
2.The log shipping secondary database Aric-PCDEVSQL1.AdventureWorks has restore threshold of 5 minutes and is out of sync. No restore was performed for 304 minutes. Restored latency is 15 minutes. Check agent log and logshipping monitor information.
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Nov 5, 2007
I am using sql 2000 standard. I set up log shipping 3 month ago it was working fine but yesterday its fail I got this error 4305. I don€™t know why this error I am getting
error messages:
failure /4305
activity : Load
[Microsoft SQL-DMO (ODBC SQLState: 42000)]
Error 4305: [Microsoft][ODBC SQL Server Driver][SQL Server]The log in this backup set
begins at LSN 7000000026200001, which is too late to apply to the database. An earlier
log backup that includes LSN 6000000015100001 can be restored.
[Microsoft][ODBC SQL Server Driver][SQL Server]RESTORE LOG is terminating abnormally.
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Aug 23, 2001
My database's log file is full. i want to backup it .
First i create a backup device named aa.
Than i use Enterprise to backup trasaction log.
But it popup an error messagebox.
The title is "Microsoft SQL-DMO(ODBC SQL state:42000)
The content is "write on 'aa' failed,status=112. See the SQL error log for more details.Backup or Restore operation terminating abnormally.
What's the matter ?
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Jul 20, 2005
Environment: Win Server 2003 Standard Version, SQL Server 2000, HPDDS3 Tape(local).Backup procedure:1. open SQL Server Enterprise Manager2. find the database i want to backup3. right click and select "All Tasks"-"Backup Databse..."4. Select "destination"-"backup to"-->>"Tape"5. Click "Add", Select "Tape" device name(or may address)"\.Tape0"6. Click "OK" begin to backupError:system prompt:The file on device '\.Tape0' is not a valid Microsoft Tape Formatbackup set. BACKUP DATABSE is terminating abormally.On this SAME server, using the same TAPE, but USE Tapeware(a HP backupsoftware come with HP tape machine) to back file, everything is OK.I don't have any clue about this. am new to Windwos, new to SQLserver. Any body could show me light? Thanks in advance.A.Y. From shanghai/China
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Jul 14, 2006
Running SQL Server 2005 Standard Edition.
Database is in Full Recovery mode.
I have full backups scheduled weekly, differentails scheduled daily and tran log ackups scheduled for every 15 minutes.
The tran log backups only work for the first 40 minutes or so after the daily backup. Once the daily has occured, the tran backups will work again, but for only 40 minutes.
I run consistency checks on the db daily and there are no errors.
The error returned from the tran log backup is 'BACKUP LOG cannot be performed because there is no current database backup'
Any thoughts would be appreciated.
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Dec 5, 2007
Hi all,
We have log shipping set up for some our databases.
So, my question is, Can i take a FULL BACKUP of databases which are involved in log shiping at primary.
--> Please give your comments on this.
Thanks.
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Aug 17, 2007
I have done a full backup on 3pm, and a differential backup on everyday 5pm.
I try to restore it back in my testing server and i encounter the problem in restoring the File3 and i try to restore the File 2 and it is okie. Can i know wat is the problem usually cause this error? Thank you
File 1: Full Backup
File 2: Differential Backup
File 3: Differential Backup
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Apr 9, 2008
Hello,
I have an SQL 2005 maintenance plan that backups up the t-logs of my production db every 15 minutes. I want to begin log shipping over to a warm-standby secondary server. The network share, log shipping folder is not the same folder location as my maintenance plan folder. My question is, do I need to disable the maintenance plan for tlog backups in order for log shipping to be sucessful? Or will the dual backups to seperate backup folder locations cause a failure in the secondary server restore process?
I suspect the latter but wanted a second opinion.
Thanks.
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May 29, 2008
Does anyone know if you can delete the initial backup file created (xxx_init.bak) on the secondary server after setting up Log Shipping?
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Jan 17, 2008
Hi everyone,
I'm trying to configure log shipping on a 2005 sql server. I follow the wizard's instructions (see http://technet.microsoft.com/en-us/library/ms190640.aspx) and everything looks right except for the backup job that somehow is not being created on the primary server. Secondary server contains copy, restore and alert jobs.
No errors reported on job monitor.
Any ideas?
Regards,
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Dec 8, 2006
Hey all-
I am working to establish a backup plan for SQL Server 2000. We are currently doing log shipping between servers.
A full backup once a week
transaction log backup every hour
We run a bulk deletion (delete * from table where date < ninetydays) which deletes 22,000 rows approximately. We are running in Full Recovery mode.
I wonder if there was anyway to improve my backup plan, preferably minimizing logging when the deletion takes place but still backup the data with log shipping.
Let me know if any of you have ideas. Thanks
Nate
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Dec 19, 2007
We have a critical Production database on which we want to setup Log-Shipping. We have also purchased the Symantec NetBackup utility for taking Backup to Tape Drives.
We Know that there are some inherent problems with using Log-Shipping and a Backup Strategy together, and thus we were finding out various ways in which we can run both in tandem.
One of them was taking the Symantec Log backups with Copy-Only option.
The main problem with this is that the Symantec Backups becomes dependent on the Log-Shipping Backups and also most of their Log-Backups become useless. Also, we are not sure whether the utility allows Copy-Only backups
The second alternative was to disable the Backup job of Log-Shipping on the Primary Server and to use the Log-Backups done by the Symantec utility for performing the Restores on the Secondary.
Thus, if Log-Shipping is scheduled to run say every 4 hrs, and the Symantec Log-backup happens every 1 hour, then at an interval of every 4 hrs, the Restore Job on the secondary will pick up the 4 backups done by the Symantec Backup utility and Restore each one of them in sequential manner.
But, I guess it is not easy to have a manual Restore Policy in place.
I was really banking on this solution until I found that the Restore Job of the Log-Shipping setup is dependent on the Filename of the Transaction log file which the systems generates automatically, and it won€™t be easy to create a customized Restore Job on the secondary server which takes in all the Log Backups generated by the Symantec Backup utility and Restore the Secondary database.
Have any one of you ever face this issue? Would like to know what is the best way to keep both of them running together.
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Feb 1, 2008
Hi
Im planning to setup sqlserver 2005 log shipping between two servers.The size of the database is around 50GB and we are taking transaction log backup and shipping at 30mins interval.
Suppose if the backup job couldnt take the transaction log backup with in the specified interval ie 30mins,then how does the copy and restore job works. Will it give an error saying tht the transaction log could nt be copied and restored ???
How to deal with this kind of situations where the backup is taking more time than the threshold time limit and ur copy,restore fails. Is there a way to handle this kind of situation in logshipping Sqlserver 2005.
and how does it affect the Secondary database. ??
Please help me out !!
Thnkx in advance
Regards
Arvind L
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May 29, 2007
I have a 20 GB SS2005 database that I would like to be replicated to a dev server for testing purposes. I might have some issues with the firewall blocking ports. I haven't read up on the specifics of how log shipping works yet, but I assume that is the best approach. A daily transfer would suffice.
A few options I am considering:
1. use the built in stuff, but I'm not sure it will work with our security settings, and if the trans logs are large it might be strained.
2. writing a small custom app to zip up the log file then ftp them down to the dev server. This could run nightly.
3. some third party util, such as FolderShare could transfer the log files
Any comments or suggestions?
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Feb 13, 2008
I have setup Log shipping between two SQL 2005 servers, and everything seems to be working well. The files are transferring and restoring correctly.
My question is whether I need to add any backup procedures for the secondary server to prevent the secondary server's log file size from growing continuously. Should I be doing a transaction log backup on the secondary server? Or will that break the Log chain?
If it makes a difference, the secondary server is in Standby mode after applying the logs.
Any advice would be appreciated,
~ Michelle
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May 14, 2007
Suppose I have a 3rd party SQL backup software to backup my databases, can I also setup a stand-by server for log shipping?
I'm not sure if this is possible? If not, is SQL mirroring a choice instead of log shipping?
Thanks a lot!
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Jun 23, 2007
I'm experiencing a weird problem with log shipping in SQL 2005.
I've setup Log Shipping for a production database between two sites. The standby database is being updated correctly and everything seems to be working as expected but for one detail: the name of the transaction log backups are generated with an UTC timestamp instead of my local timezone.
The the data below extracted from the backup history:
2007-06-23 17:30:00.000 D:BackupDatabasesmydbmydb_20070623073000.trn
2007-06-23 17:15:00.000 D:BackupDatabasesmydbmydb_20070623071500.trn
2007-06-23 17:00:00.000 D:BackupDatabasesmydbmydb_20070623070000.trn
2007-06-23 16:45:00.000 D:BackupDatabasesmydbmydb_20070623064500.trn
My timezone here is GMT+10.
Although it's not affecting Log Shipping, it's very confusing as the full backups have a timestamp in the local timezone!
Has anyone seen experienced something similar to this? Please see below my SQL details:
1 ProductName NULL Microsoft SQL Server
2 ProductVersion 589824 9.00.3042.00
3 Language 1033 English (United States)
4 Platform NULL NT AMD64
5 Comments NULL NT AMD64
6 CompanyName NULL Microsoft Corporation
7 FileDescription NULL SQL Server Windows NT - 64 Bit
8 FileVersion NULL 2005.090.3042.00
9 InternalName NULL SQLSERVR
10 LegalCopyright NULL © Microsoft Corp. All rights reserved.
11 LegalTrademarks NULL Microsoft® is a registered trademark of Microsoft Corporation. Windows(TM) is a trademark of Microsoft Corporation
12 OriginalFilename NULL SQLSERVR.EXE
13 PrivateBuild NULL NULL
14 SpecialBuild 199360512 NULL
15 WindowsVersion 248381957 5.2 (3790)
16 ProcessorCount 4 4
17 ProcessorActiveMask 4 f
18 ProcessorType 8664 NULL
19 PhysicalMemory 4095 4095 (4294037504)
20 Product ID NULL NULL
Thanks,
André
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Sep 25, 2015
I want to redirect the logshipping primary backup folder to another drive, how to change the configurations steps to move the primary logship folder to another location within the same server!
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Feb 19, 2008
I'm having trouble passing parameters into a stored procedure. I can pass an integer parameter with no problems but cannot seem to pass a character parameter.
This first query works fine when I pass 1 and null:
Alter Procedure [dbo].[AMTRANHDRPaidTranHistAPT]
@ADDIVNumber bigint,
@Where varchar(3000)
as
Declare @SQLHolder nvarchar(4000)
Declare @ParamDef nvarchar(500)
Declare @ParamDef2 nvarchar(500)
Declare @IntVar BigInt
Declare @ChrVar varchar(3000)
SET @SQLHolder = 'Select * FROM AMTRANHDR
LEFT JOIN
(
SELECT AMALTERNATE.AMALTCode, AMALTERNATE.AMALTName, AMALTERNATE.AMALTNumber
FROM AMALTERNATE
) AS T2 ON AMTRANHDR.AMALTNumber = T2.AMALTNumber
WHERE AMTRANHDR.AMTRHDeletedOn is null and AMTRANHDR.ADDIVNumber = @ADDIVNum '
SET @ParamDef = N'@ADDIVNum varchar'
SET @ParamDef2 = N'@Wher varchar'
SET @IntVar = @ADDIVNumber
SET @ChrVar = @Where
exec sp_executesql @SQLHolder, @ParamDef, @ADDIVNum = @ADDIVNumber
When I try to add a second parameter it errors with - Incorrect syntax near '@Wher' - when I pass 1 & null or 1 & 'and 1=1':
Alter Procedure [dbo].[AMTRANHDRPaidTranHistAPT]
@ADDIVNumber bigint,
@Where varchar(3000)
as
Declare @SQLHolder nvarchar(4000)
Declare @ParamDef nvarchar(500)
Declare @ParamDef2 nvarchar(500)
Declare @IntVar BigInt
Declare @ChrVar varchar(3000)
SET @SQLHolder = 'Select * FROM AMTRANHDR
LEFT JOIN
(
SELECT AMALTERNATE.AMALTCode, AMALTERNATE.AMALTName, AMALTERNATE.AMALTNumber
FROM AMALTERNATE
) AS T2 ON AMTRANHDR.AMALTNumber = T2.AMALTNumber
WHERE AMTRANHDR.AMTRHDeletedOn is null and AMTRANHDR.ADDIVNumber = @ADDIVNum @Wher'
SET @ParamDef = N'@ADDIVNum varchar'
SET @ParamDef2 = N'@Wher varchar'
SET @IntVar = @ADDIVNumber
SET @ChrVar = @Where
exec sp_executesql @SQLHolder, @ParamDef, @ParamDef2, @ADDIVNum = @ADDIVNumber, @Wher = @Where
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Oct 2, 2014
I have a scenario where a customer is going to be using Log Shipping to the DR site; however, we need to maintain the normal backup strategy on the current system. (i.e. Nightly Full, Every 6 Hour Differential and Hourly Transaction Log backup)I know how to setup Transaction Log Shipping and Fail-over to DR and backup but now the local backup strategy is going to be an issue. I use the [URL] .... maintenance solution currently.
Is it even possible to do regular backups locally keeping data integrity for your backup strategy with Transaction Log Shipping enabled?
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Aug 3, 2010
I am looking a way to use a tail funcion to achieve something like this
Â
If you see the picture i want obtain in one row the total amount of the month over a selected range. If I select months between 1 and 12, i want the values only for the month 12, if a select months between 1 and 10 I want only de value for October and so on.
Â
I tried this simple mdx query:Â
Select
Tail([Id Fecha Orden Pago].[Mes].allmembers,1) on
Rows
,
{[Measures].[Total Gastos Orden Pago]} on
Columns
From
[CUB_DGM_TestEnamiDW] WHERE
[DIM Programa Fomento].[Nombre Programa Fomento].&[RECONOCIMIENTO DE RESERVAS]
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May 13, 2007
Hi
I could not able to find Forums in regards to 'Log Shipping' thats why posting this question in here. Appriciate if someone can provide me answers depends on their experience.
Can we switch database recovery model when log shipping is turned on ?
We want to switch from Full Recovery to Bulk Logged Recovery to make sure Bulk Insert operations during the after hours load process will have some performance gain.
Is there any possibility of loosing data ?
Thanks
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Jan 14, 2008
Hello
We have set up Log shipping between Primary and Secondary DB. The secondary DB is right now option: Standby/Read-Only. I can not take Backup of Secondary DB now.
Shall we disable Log shipping and change the DB Option to Multi-user mode and take backup? or any different method, without disabling log shipping?
please advice. Thanks in advance.
Jay
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Jun 8, 2006
Hi,
I 'm sure I am missing something obvious, hopefully someone could point it out. After a failover log shipping, I want to fail back to my inital Primary server database; however, my database is marked as loading. How can I mark it as normal?
I did the failover as follow:
I did a failover log shipping from the 2 server Sv1 (Primary) and Sv2 (Secondary) by doing the following
1) Stop the primary database by using sp_change_primary_role (Sv1)
2) Change the 2nd server to primary server by running sp_change_secondary_role (Sv2)
3) Change the monitor role by running sp-change_monitor_role (Sv2)
4) Resolve the log ins - (Sv2)
5) Now I want to fail back - I copy the TRN files to Sv1 - use SQL Ent to restore the database at point in time. The task is done; however, the database is still mark as loading. I could not use sp_dboption.
I appreciate any suggestion.
Thanks in advance
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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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Jan 4, 2007
Hi y'all,
I'm facing a database data transmission problem during synchronysing. When dts fails i need a better solution instead inconsistent data.
I'm looking for data comparer for sql server where i have total control of my actions.
Any suggestions.
THanks in advance!
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Nov 7, 2001
Can anyone direct me to a good resource for setting up SQL2k in a failover cluster. I am trying to do this without a shared disk array, and need more info.
Thanks.
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Dec 13, 2004
Does anyone know of a Fail Over Document for SQL Server 2000 Enterprise edition?
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