Recovery :: Production / DR Server Synchronization
Aug 5, 2015
How can I keep a production SQL server and DR SQL server in sync? I'm not referring to data - I can use SAN replication for that. I'm referring to the many configuration settings and objects that are external to the databases..Server settings (xp_cmdshell, etc.)LoginsServer- and database-level rolesServer- and database-level permissionsObject level permissionsMaintenance plans/SSIS packagesSQL Agent jobsJob schedulesDatabase mail configurationObjects (proxies, alerts, credentials, operators)Linked serversScheduled tasksODBC connections
I realize that many of these items can be scripted out, and periodically run on the DR server; but not all of them can be. And some, although they can be scripted, may be problematic to restore on a DR server, such as SQL Agent jobs. And even with backup scripts, it seems like developing a process to refresh a DR server would be overwhelming given the number of elements and exceptions. I'm not adverse to doing the work to create a completely scripted solution, but was curious if one already exists that handles all or most of the elements in my list.
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Sep 28, 2015
As per our client requirement we want to set synchronization time from primary replica to secondary replica after 20 minutes. Is it possible in MSSQL AlwaysOn Availability Groups in SQL Server 2012?
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Jul 8, 2015
I am in problem that I have delete data in my production table.
Now how to retrieve it?
I have only Yesterdays Full and Transaction Backup files.
I used the following query for deleting all data.
delete from t1;
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Aug 17, 2015
We have a requirement to build SQL environment which will give us local high availability and disaster recovery to second site. We have two sites- Site A & Site B. We are planning to have two nodes at Site A and 2 nodes at Site B. All four nodes will be part of same Windows failover cluster. We will build two SQL Cluster, InstanceA will be clustered between the nodes at Site A Server and InstanceB will be clustered between the nodes at Site B, we will enable Always On Between the InstanceA and InstanceB and will be primary owner where data will be written on InstanceA and will be replicated to InstaceB. URL....Now we want we will have instanceC on the Site B and data will be writen from the application available on Site B, will be replicated to the instance on the Site A as replica.
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Dec 23, 2014
is bulk logged recovery model support point in time recovery
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Sep 6, 2006
Hello everybody,
There is some strange behaviour i've recently noticed while watching synchronization progress in Replication Monitor on SQL 2005 Server Standard with merge replication configured. The merge process seems to repeat several times.
This is the initial synchronizaion (reinitalization at the subsciber). Client is using Microsoft.SQLServer.Replication objects from .net framework assemblies.
The synchronization starts normally (status is "Running"). The last message of selected session box shows (among other messages): "Beginning evaluating partial replication filters" then "Finished evaluating partial replication filters" and finally "Merge completed after processing xxx changes... etc." after a few seconds. Status changes to "Completed" and then... the merge process starts again!! "Beginning evaluating partial replication filters" etc. And this repeats about 15-20 times.
And so whole process takes about 15 minutes instead about 45 seconds to complete initial synchronization. The number of changes is "Merge completed after processing ..." never change since the first such message.
Is this some bug in web synchronization or some invalid configuration setting? Why does merge process repeat itself so many times??
Please help, thanks in advance.
Kuba
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Jun 6, 2002
hi!
all.
i want to create a web application architechture which having multiple web server.
this all web server having sql server database.
now what i want is to Keep all data in all databases.
means i want to synchronize my all sql servers.
it is also possible ki my one webserver can have multiple clusted database.
hope to hear soon from u people.
Regards
Viky
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May 24, 2007
Dear All,
How to do Sql Server Synchronization.
Say:
Server "A" contains "123" database.
Server "B" contains "123" database.
But changes is made on Server A. I want that every changes made on server A "123" database should reflect on Server B "123" database on real time basis.
whether it is done through replication or any other way, i want practical answer so that i can try it out.
Thanks
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Feb 12, 2006
I want to realize these steps in .net2005 C# programme:
1) Start Sqlserver2005 publication snapshot agent.
2) View Sqlserver2005 snapshot agent status, if it finished then go on.
3) Start Sqlserver2005 Subscription synchronization agent.
4) View Sqlserver2005 synchronization agent status, if it done then continue.
I tried to find some SP, dll, method or script to realize this funtion, but failed.
I really need help.
A thousand thanks for your patience.
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Jun 23, 2005
I have two SQL Server Database, one is at my company and one is at my company's customer. There are two related databases and two related tables in the servers. When I make a change in the table at my database, I want these changes to be done at the other server. I mean the related tables should have the same records all-time. I made a search and found that "Linked-Servers" is a good idea in this scenario. I made a linked server and run the following query in the Query Analyzer;insert into SAMPLE_LINKED_SERVER.SAMPLE_DATABASE.dbo.SAMPLE_TABLE(id,name) Select id,name From MY_SAMPLE_TABLE Where id Not In (Select id From SAMPLE_LINKED_SERVER.SAMPLE_DATABASE.dbo.SAMPLE_TABLE)This query works as I wanted. But I want this process to be done automaticaly without user interaction. Should I use Trigger? Do you suggest using Linked Servers?Or is there any other methods to make synchronization between two SQL Server Database?If I cannot find a good method in SQL Server, then I will be forced to make this synchronization by writing .NET code, but that would be difficult I think. Any suggestion and comment is wellcome.Thanks in advance.
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Oct 29, 2002
hi!all
i want to synchronize 2 sql server database resides at diffrent locations.
i want steps to do synchronization with the help of sql server enterprize manager as well from Sql - Dmo and VB.
:confused:
Thanks all in advance.
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Oct 27, 2005
Hi all
I have two SQl Server 2000 in two different location, at one point I wand to Transfer the information in one table (in Sql server 1) to the same table (in SQl server 2) using Stored Procedure.
Can any one through some input on how to write the SP?
Regards
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Sep 10, 2007
We are working on data synchronization application. This application will synchronize data which are stored in flat file on several client machines generated by windows application to central database (Probably My SQL or SQL Server).
This application/agent will continuously monitor all the modifications done by windows application on client machine and then synchronized data with the central database.
Currently we are looking for unidirectional synchronization i.e. from client to server only.
If you have worked on similar kind of project, it would be great help if you share technology/architecture used in your application.
Thanks & Regards,
Jugal Shah
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Aug 19, 2005
I have a VB app which stores information in an Access 2000 db. The VB apphandles multiple users (it's a logbook type of application, users sharelookup tables but don't share information among themselves - IOW, I couldn'tsee your log entries and you couldn't see mine).We're adding a web interface to the package - basically a scaled down dataentry interface to allow users to add log entries without being at theirworkstations. The web version will be storing data in a SQL Server 2000 db.I need to be able to synchronize data between the two - if a usersedits/adds a log entry in the desktop version, they need to be able tosynchronize the desktop and web (this is done via a button click, no"realtime" updates). Same scenario with the web side, but the web interfacewon't acutally be able to synch with the desktop - the user would have toinitiate the synch from their workstation. We've pretty much worked out thesynch logic path, and we're working on acutally interfacing with the SQLServer.Can this be done reliably using a standard ADO connection between thedesktop and the web site? I would imagine traffic would be somewhatminimal - on average, no more than 100 records would be added or updated.I've done some testing on this, and with 20 - 50 records it seems to workfine both ways.Suggestions of better/more reliable methods would be most appreciated, andthanks for your time
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Jan 21, 2008
Does Sql Server Compact Edition 3.5 support RDA synchronization with Sql Server 2000 database?
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Jun 30, 2007
Hi
I am stuck while doing synchronization between SQL Server 2000 and SQL Server CE 2.0.
getting an Error "Header information is either corrupted or missing."
My Specification is follow :
Windows XP with SP2
Visual Studio 2005 Enterprise edition
SQL Server 2000 (SP3a)
SQL Server CE 2.0
Application is Smart Device application (Pocket PC 2003) using C#.
Microsoft ActiveSync 4.5
IIS 5.1
I followed steps as per given in this URL :
http://msdn2.microsoft.com/en-us/library/ms839425.aspx#sql_serverce_replication_net_topic2I performed eeach steps successfully, My code is as per given below.
private void button1_Click(object sender, EventArgs e)
{
getSyncReady();
}
SqlCeReplication loSqlCeReplication;
private void getSyncReady()
{
try
{
String lsDBFile = "Northwind.sdf";
loSqlCeReplication = new SqlCeReplication();
loSqlCeReplication.InternetUrl = "http://192.168.0.5/Northwind/sscesa20.dll";
loSqlCeReplication.Publisher = "C99";
loSqlCeReplication.PublisherSecurityMode = SecurityType.NTAuthentication;
loSqlCeReplication.Publication = "NorthwindProducts";
loSqlCeReplication.PublisherDatabase = "Northwind";
loSqlCeReplication.Subscriber = Dns.GetHostName();
loSqlCeReplication.SubscriberConnectionString = "Data Source=" + lsDBFile;
if (!System.IO.File.Exists(lsDBFile))
{
MessageBox.Show("The application requires synchronization", "Replicator",
MessageBoxButtons.OK, MessageBoxIcon.Asterisk, MessageBoxDefaultButton.Button1);
loSqlCeReplication.AddSubscription(AddOption.CreateDatabase);
}
loSqlCeReplication.Synchronize();
}
catch (Exception foException)
{
throw foException;
}
}
I am not getting whats going wrong.
My Firewall is disable and i have not installed any antivirus softwares (including Norton internet Security....in many forums i got this suggestion but i think its not an issue,even though for solving this issue i performed new installation of Windows XP SP-2 )
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May 8, 2007
Hi there,
I need to create a synchoronization with the Server Mobile (displayed in the Pocket PC emulator) once the website (SQL server Database) is updated. Is there any coding available? How is it possible? PLSSSSS HELP ME....
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Oct 26, 2005
Hello EveryoneWe have a third party tool which maintains its own customdatabase,DB1 on SQL Server 2000 on Server A (Windows 2000). We built aninhouse application which maintains a transactional database, DB2 alsoon Server A derived from DB1. Since the DB1 is frequently updated thesynchronisation between the databases is currently maintained by usingviews in DB2 which pulls in all the required data from across tables inDB1.But we found that the cost of employing views, referencing tablesacross databases has made the inhouse application slower and so as aapparent performance tuning measure we plan to maintain a subset ofdata(for a specific time period) from DB1 in actual tables with sameschema in our transactional database DB2. But since the tables in DB1are frequently updated during the day we are required to thesynchronise the corresponding tables in DB2 with their counterparts inDB1. The only constraint in this synchronization being that the thirdparty custom database,DB1 cannot not be subjected to any changes (likecreation of triggers) as it is maintained by a different group ofpersonnel.I read about Triggers,Maintenance Jobs and Replication but not surewhich would suffice our needs.Are there any recommendations on how thiscould be carried out? Any suggestion would be welcome.Thankschandra
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Apr 13, 2007
Hi,
I need to move my database servers from one location to another. The issue is that I have over 200 databases to move and my clients can't afford a downtime. The collective volume of all the databases is over 2.5 TB and growing.
I am thinking to copy these databases in batches over the WAN to the new location and replicate them using Transactional replication till I have all the databases moved and synchronized.
Will it be wise enough to use replication for synchronizing 200 databases or is there a better approach which I can use to move these databases with minimum downtime and compromise on performance of applications.
Note: Migration is from SQL Server 2000 to SQL Server 2005.
Thanks in advance.
Ritesh
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Mar 20, 2007
Hi
I am doing a task for synchronize data between SQL server 2005 and SQL Mobile.
Created a publication in my SQL server 2005
Created a subscription in my device thru coding. The code is below.
SqlCeReplication repl = null;
try
{
repl = new SqlCeReplication();
repl.InternetUrl = @"http://localhost/TestFirst/sqlcesa30.dll";
repl.Publisher = @"zcs6";
repl.PublisherDatabase = @"TestNow72743";
repl.PublisherSecurityMode = SecurityType.DBAuthentication;
repl.PublisherLogin = @"sa";
repl.PublisherPassword = @"Test";
repl.Publication = @"TestFirst";
repl.Subscriber = @"TestNow7274310";
repl.SubscriberConnectionString = @"Data source = 'TestFirst.sdf';";
if (!File.Exists(@"TestFirst.sdf"))
repl.AddSubscription(AddOption.CreateDatabase);
repl.Synchronize();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
repl.Dispose();
}
If I run this code from my device the replication work successfully. Now I am calling synchronize from device.
My question is How can i start synchronization from server side. Is it possible to do that from server side?
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Jul 4, 2007
I create a distributed database for mobile application. I replicate a table that distribute on mobile device. I follow instruction how to create distributor, publication, replication, web synchronization, and subscriber database. I have done fine for synchronization between mobile database into desktop database (in this case SQL Server 2005 Standard Edition). But the problem is how can setup publication so it can bidirectional, not only from mobile database into desktop database, but also from desktop database into mobile database. So in the mobile database can have same data with desktop database even on mobile database lost some old data.
Its like data exchange between both engine. Desktop and mobile have same data. For filtering I can put filter on the desktop server for replicated table, so don't worry how I split the data.
Thanks a lot.
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Sep 21, 2005
I have a master database containing data from many client databases located in various locations.
I have to synchronize data between the master & client databases. If data in client changes, the master needs to be updated. If the data in Master changes, the client needs to be updated.
Because of the security issue, the client location will initiate this process of Synchronization. It has to be automatic process scheduled once everyday. The Client databases are SQL-Express Databases and the Master is Sql Server 2000 database.
What is the industry standard or the best way to achieve this task ? Are their any tools that easily accomplish this? Can SQl Server Replication achieve this ?
Thanks
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Mar 9, 2006
I am running SQL Server 2000 and SQL Server CE on the handheld device. I have created the publication on the SQL Server.
I can subscribe to the publication successfully on the handheld and it creates the .sdf file just fine.
When I then attempt to synchronize, the process will run for a long time and eventually error out. (The database has a couple large data tables that are used for value lookups)
The error says the connection was broken.
Any suggestions on correcting this?
I am thinking of breaking the replication database into 2. One with the large lookup files and one with the updated tables. I still need to get the large database with the lookup tables onto the handheld though.
Any thoughts, advice or similar experience handling a situation as this would be appreciated.
thanks,
Dan
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Sep 17, 2015
Pages on a full recovery model database corrupted, need to ensure data loss is minimal for restore operation am thinking about restoring the latest full backup.
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Apr 17, 2008
Hi,
We have a window based application which uses sql server express as a backend...
Currently, We are sending xml files to the users to update their application with data users also sends data in xml format to us.
We receive data from various users and collate it on a central server for analysis..
We prefer having sql server express as a local data store so that user does not depend on live connection to the central server. But we would like to have a on demand syncronization or scheduled snyncronization with central sever ,,,
There are many approaches to it... my question is which is the best for our given scenario. Is it using web service or sql sever broker or sql synnchronization.
If you can direct me to some practical implementation then it will be great help.
Thanks
San
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Dec 7, 2006
Hello,
I plan to use :
- SQL Server on server
- SQL Server Express on notebooks
- SQL Mobile on Windows Mobile 5.0 devices.
How can I create a replication between SQL Express and SQL Mobile ? SQL Server express cannot act as a Publisher server.
In this post a Senior Program Manager says It is possible but I don't find how to :
http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=55236&SiteID=1
Thanks
JF
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May 5, 2015
in the process of migrating a big db from server 1 to server 2, we had to roll back the change. I started with taking a full db backup and restoring it on server 2 with norecovery, and then a couple logs with norecovery, and then the last log with recovery.
Is there some way to continue this chain now, I mean to change the db to norecovery, or other way to restore logs.
I dont want to do a new full backup.
If I try to do a log restore now i get the message:
Msg 3117, Level 16, State 4, Line 1
The log or differential backup cannot be restored because no files are ready to rollforward.
Msg 3013, Level 16, State 1, Line 1
RESTORE LOG is terminating abnormally.
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Sep 19, 2015
We have 3 replica AG setup. 2 replicas are in sync/automatic failover, the other(DR Server, different subnet) in asynchronous/manual mode…All these replicas were on sql server 2012, Recently we upgraded DR server to 2014. Since then we have a problem, the AG databases in 2014 instance went into ‘Synchronizing/ in recovery’ state…The SQL server error log has message, the recovery couldn’t start for the database ‘XYZ’…We tried to create a new database and add it to AG , it works for fine for other two 2012 replicas, but on 2014 we see the same issue
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Oct 24, 2014
I'm updating some tables in a subscriber database with a stored procedure. After the tables get updated I'd like to sync them with the other subscriber dbs and the publisher db in that same stored procedure.I can do it manually in SSMS with the View Synchronization method. Are my only alternatives a batch job or C#?
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Mar 11, 2006
i am using C#..net
I am synchronizing the sql server data with sqlce.but i get an
error when i call synchronize function. i am using sqlcereplication
class.
the error is
"a call to sql server reconciler failed"
native error 29006
and sometimes
native error
29045.
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Dec 21, 2006
I have something called Configure Web Synchronization Wizard under my SQL Server 2005 Mobile Edition on my XP machine. My problem is that I need to install it on a Windows 2000 machine and I can't find the installation package for it. I installed SQL Server 2005, which installed SQL Server 2005 Mobile Edition, but I didnt' get the wizard. I also installed Visual Studio 2005.
Anyone know where it is?
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Jan 28, 2008
I have this simple full text search query that works perfectly on my own computer using sql server 2005 express, however, on the production server(shared hosting)when I added the first 50+ rows, the full text search works perfect, but as the number of rows increases, the full text search can only see the first50+ rows, but not the new ones. Is there any quick solution for this or it's just a common mistake for developers for not properly indexed columns?Is there a way to re-indexed all rows without loosing data on the live server? search query: SELECT TOP 50 *FROM li_BookmarksWHERE FREETEXT(Keywords,@Keywords)
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