SQL Server 2008 :: Database Mirroring Timeout Setting?
Oct 20, 2011
I have setup database mirroring with witness server. To prevent unnecessary failover because of network slow or other issue, I changed the timeout setting as
ALTER DATABASE <Database Name>
SET PARTNER TIMEOUT 120
Which I understand if connection is broken between principal and mirror, principal database will wait for 120 second and after that only automatic failover will happen.
If this is true, it does not happen in my case. Failover happens before120 second.
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May 4, 2015
I have created mirroring... one of the column is encrypted on mirror database and I can see the decrypted result when I do query when I actually logged into server (through remote connection) but when I use the same query through using SSMS from my laptop the query result come as the column is not decrypted,
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May 24, 2006
I attempted to setup database mirroring using a High Availability scenario but when I installed SQL is chose to use local system accounts for all the services. Consequently, I stubled upon a microsoft article explaining how to setup mirroring using local system accounts and certificate authentication but I am stil not able to get it to work. When I try ti initiate the mirror from the mirror server I receive an error stating "Neither the partner nor the witness server instance for database "EDENLive" is available. Reissue the command when at least one of the instances becomes available." I have checked all the endpoints and everything seems to be in order. I even checked to make sure that each server was listening on the appropriate ports and I AM able to telnet to the ports. Please help!
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Oct 22, 2007
In my ASP.NET app, I'm executing a stored procedure via a SQLCommand the searches a customer database. I believe the default timeout is 90 seconds. I'm curious of what happens to the SQL Server Stored Procedure after timing out from the ASP.NET application. Does it timeout at the same time or do you have to set up a value in SQL Server?
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Sep 15, 2015
I need to set up asyncronous data replication across two clustered instances of SQL 2012 across 2 Datacenters. Both the datacenters have a common domain however the vlans are different. There are only 3 small databases on the primary instance.
any issue in setting up mirroring in this case as vlans are different.
Operating system is Windows 2012.
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May 3, 2008
Server A = primary SQL DBs (mirroring origination)
Server B = failover SQL DBs (mirroring destination)
For database mirroring a witness is required.
Can the witness live in another instance of SQL on server B?
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Feb 22, 2015
I have an issue with my production server regarding memory usage (Memory Utilization is above 95%.). Memory is : 12 GB and the service that is consuming the majority of memory 88%/10.5GB is sqlserver.exe. So it would appear that MSSQL is not set to restrict the amount of memory it uses ? How much should I set for min and max memory ? the defauld is min memory : 0 and max : 2 TB
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May 21, 2015
I am curious about maximum memory setting .
Should we set maximum memory setting for each SQL server? For example a server has 6 GB memory then should we set maximum memory setting = 3.5 GB ?
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Mar 31, 2015
I am getting below error while executing any SQL query on database server.
Time-out occurred while waiting for buffer latch type 2 for page (20:17937), database ID 13.
There is currently some space issue on the server, so by any chance this space issue is causing this error?
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Feb 19, 2015
We have a database. It is enabled for mirroring. We need to delete the old records. That is around 500k records from a table. But it has foreign key relation. How to do in Production servers these kind of deletes?
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Jun 10, 2015
We have a database in SQL Server 2008 R2 with mirroring and want that replication is done by dedicated network.We stop the endpoint and when we try to run the following command, syntax error occurred:
Msg 102, Level 15, State 1, Line 1
Incorrect syntax near '192.168.1.14'.
What is the correct syntax of the command line below?
ALTER ENDPOINT Endpoint_Mirroring AS TCP (LISTENER_IP = '192.168.1.14')
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Jun 21, 2007
In my environment Mirroring is set up and the Principal/Primary and secondary are set up as well. I am having trouble added my mirror as a logshipping primary.
BOL says to create the Mirror/Primary I need to use the Transact-SQL commands. But sp_add_log_shipping_primary_database checks to make sure the status of the database is "Online". So when I run sp_add_log_shipping_primary_database to add the mirror db as a Primary I get the following error:
Msg 32008, Level 16, State 1, Procedure sp_add_log_shipping_primary_database, Line 58
Database TestMirror is not ONLINE. Cannot proceed with log shipping primary processing.
Am I doing something wrong? I am following the BOL page http://msdn2.microsoft.com/en-us/library/ms187016.aspx .
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Jan 22, 2008
I am getting a timeout error when I try to delete a column from a table w/ about 3 mil records:
'Trades' table
- Unable to modify table.
Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding.
When I go to the server properties, "View connection properties", the "Connection Timeout" propery is set to 15 and "Execution Timeout" is set to 0. However, I cannot change any of the Connections properties; the font is colored gray. I am running SQL Server 2005 on the local computer. Any idea how to change the Timeout property?
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Dec 31, 2007
Hi all,
I have configured some Mirroring alerts based on Micosoft's documents. Mirroring.
If you can help me in setting some of the "Thresholds" for the Mirroiring alerts. That will be helpful, because i didnt see anywhere about the actual threshold limits setting for alerts ( In Production). Any approx. also OK.
At Principal:
(a) Unsent Log = ------ KB
(b) Oldest Unsent Transaction = ---- Minutes
At Mirror:
(c) Unrestored Log = ---- KB.
(d) Mirror Commit Overhead = --- MilliSeconds
Thanks again.
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Oct 29, 2007
SQL Server 2005 is timing out when running loooong queries.Is there a global place I can extend the timeout for queries? I do not mean in code but just in general use?Thanks
Craig
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May 28, 2007
hi guys , does anyone of you have a good solution on the Error 1413: Communications to the remote server instance failed before database mirroring was fully started issue?
Best Regards,
Hans
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May 20, 2015
I have a pretty simple SSIS package that fast loads a 100 million record table into a SQL Server 2008 table on a daily basis. This normally runs fine and completes in about 1 hour. As this is perhaps one of our largest running SSIS packages, about once every 2-3 weeks this SSIS will fail/drop connection. Once it fails, the large number of records will start rolling back. This rollback process can take 1+ hours so I cannot even restart the failed SSIS package immediately. This is a problem.
I am looking for a solution or option so I do not have to wait on that rollback to restart this particular, long running SSIS package. Is there an option/setting to leave the partial data set committed and not rollback? Then I could just restart the SSIS package immediately or set it the SSIS to auto-restart 1 time on failure. The first step in the SSIS does a truncate of the destination table.
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May 23, 2007
My web site times out when I run a SQL Stored procedure that takes 47 seconds.
I thought that I had prevented this by setting time limits to 600 seconds for both the SQL connection and httpRuntime My web.config contains: -<add name="ConnectionString" connectionString="Data Source=xxxx;Initial Catalog=gdb;Persist Security Info=True;User ID=xxxxx;Password=xxxxx;connection timeout=600" providerName="System.Data.SqlClient"/>and
<httpRuntime maxRequestLength="8192" executionTimeout="600"/>
Is there anywhere else that I should specify this larger timeout limit?
Thanks, Robert.
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Sep 5, 2007
Hi Forum,
i am using SQL Server and C#.net (SMO).
How to set LOCK_TIMEOUT from the front end for a DB?
Regards,
Naveen
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Jan 24, 2006
Hi:
I have some query that takes quite a long time to process in the sql server and every time the page seems to time out.
I wondor is there any Timeout setting that I can defined in the database ConnectionString in web.config file so that I can extend the "wait" time?
Many thanks!
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Oct 17, 1999
I am running a large insert in a stored procedure, and it is timing out after 30 seconds (which I take to be the default). Can anyone tell me how to change the timeout from inside the stored procedure?
Thanks.
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Apr 12, 2006
Hey All,
Very simple one...how do I simply change the default from 20 seconds to 60 in the sp_config table...
Thanks,
DJ
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Dec 14, 2006
I had a problem with mirroring that I only was able to resolve when I attempted to replicate instead. Replication gave me an error message that expained the problem; mirroring simply failed.
Is there any place where mirroring logs the details of what it is doing & why it is failing?
BTW, the problem was that the server name was changed after SQL was installed. Although i knew this, the forums indicated taht SQL 2005 automatically picks up the new name after it is restarted. This apparently is not true...
Thanks
Dave S
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Oct 13, 2015
I have three win2k8 r2 servers. Â 2 are running SQL 2008 r2 and are mirrored. The 3rd server is a witness server. Every so often we get errors and failovers of the mirror. The communication errors are between the witness server and sql servers. No errors between SQL servers. There seem to be no network issues and happen randomly.Â
Event id 1474 and 1479.Â
The mirroring connection to "TCP://witnesssrv:5022" has timed out for database "DB" after 30 seconds without a response. Â Check the service and network connections.Â
Database mirroring connection error 4 'An error occurred while receiving data: '64(The specified network name is no longer available.)'.' for 'TCP://witnesssrv:5022'.
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Mar 16, 2008
I have setup database mirroring for one big database.But now Transaction log is full and server is down. What should i do? We do bulk-insert in that database.
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Oct 12, 2015
Using SQL Server 2008, we would like propose mirroring between two servers of a critical database. Since we initiate, may require to clarify on its purpose and also required changes from application end.Any changes required from OS Level? (I believe both servers IP or Host name should be added in host entries. Mirroring ports should be allowed/open including Principal and mirror server IP Addresses): Windows Team.Any changes required from Application? (Instance name, authentication: user name and its password should be added in web config files): Application Team.Any changes required from Network Team?Also for mirroring both the principal and mirror servers should be with same version, does it only mean SQL Server 2008 versions are enough or does it also mean to say build numbers 10.00.4000 should also be same.URL....
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Mar 8, 2007
Hello, My question is simply: according to BOL, a DB snapshot taken from a Mirror is read-only. Say I wanted a temporary (disposable) read-write DB created from the snapshot. Is there a way to generate a writable temp DB (that's not tempdb) from the snapshot? Thanks,AK
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Apr 14, 2015
I need to migrate my SQL server Mirror Database to a new server. my current setup is as below
1. server A principal (192.168.1.100)
2. server B Mirror   (192.168.1.200)
Now i have a new server (Server C) to replace server B as below
1. server A principal (192.168.1.100)
2. server C Mirror   (192.168.1.300)
My question is how to migrate mirror db to new server without any affect or downtime on principal server.
note: SQL SERVER 2008R2 EE(64BIT), Win2008R2 EE 64bit.
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Oct 24, 2007
Dear,
Are possible build a solution with SQL Server 2005 Cluster and Database Mirroring? I have the following scenario:
1) Site A
SQL Server 2005 with 2 nodes and active/passive
2) Site B
SQL Server 2005 for Disater Recovery with Log Shipping.
Are possivel change Log Shipping by the Database Mirroring? If is possible, are better:
a) Synchronous(with or without witness)
b) Asynchronous
Thanks a lot! Sandro.
sgpcosta@hotmail.com
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Mar 15, 2006
Hi there.
I´m running some tests in a database with Mirroring and without Mirroring. As expected there is a performance hit using Database mirroring.
The tests i´m running are just simple functions inserting and updating the database, and then counting the number of sucedeed inserts and updates in a time interval.
My question here is: What if i use Sql Server failover mechanism?
I know that failover time will increase and management is more complex, but what can i expect in terms of performance ?
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Sep 27, 2006
Hi All,
I get a general question about the feacture "Database Mirroring". Is it support by SQL Server Standard. Edition without SP1?? Of i still need to upgrade the server from SQL Server 2005 to SQL Server 2005 with SP1?
Another question: are there any problem if the one machine(server) has installed SQL server 2005 Standard edition and the other with "Developer Editon".
I hope some one can answer my question. Thanks anyway!
Regards,
Pat
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Nov 22, 2014
I have multiple SQL 2008 severs with databases. Also, 1 mirroring server in place.
Since my database count is increasing can i have only 1 mirroring server. Is there any limit of db at mirroring server. I would have approx. 150 databases.
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May 30, 2006
I am trying to enable database mirroring for 100 database.
It goes error free till 59 databases (some times 60 databases) with the
status (principal, synchronized) on principal. on the 60th or 61st database
it gave the status (principal, disconnected). Also mirror starts acting
abnormal. connection to mirror starts to give connection timeout and it is
not enabling database mirroring on any more databases. I have SQL SERVER
2005 Enterprise with SP1 on the servers. witness is not included yet.
this are my test servers... i have more than 500 databases on my production
servers.
principal and mirror both are using port 5022 for ENDPOINT communication.
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