Mirroring :: Any Limit For Configuring Number Of Secondary DB Server
May 7, 2015In log shipping is there any limit for configuring no.of secondary db server???
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Mirroring :: Limit To Number Of Database Mirrors Per Instance In 2012?
May 13, 2015I've read here at [URL] that with 32 bit it's recommended to only have 10 database mirrors per instance. However, is there a limit for 64 bit SQL Server 2012?
We're having a problem where we have about 300+ databases and now any new db's we add are timing out when it comes to setting up mirroring and am wondering if this is limited by the instance.
Mirroring :: Manual Failover Did Not Get Back Database On Secondary Server?
Jun 22, 2015I have SQL Server 2008 R2 database mirroring setup with witness. Below database connection string is used by the application
jdbc:sqlserver://<Server_A>MSSQLSERVER;databaseName=<Mirrored_DB>;port=1433;failoverPartner=<Server_B>MSSQLSERVER
During some maintenance activity at the OS side , I tried to manually failover database from Server_A to Server_B. It took long time for failover to Server_B. While failing over the Mirrored_DB database goes in In Recovery status and application is not able to connect to database. I waited for long time more than 40 mins for database to come online on Server_B but it did not work.So I have recovered database on Server_B using RESTORE DATABASE Mirrored_DB WITH RECOVERY.
After database was recovered on Server_B application was not able to connect to database with error as "The database <Mirrored_DB> on server Server_BMSSQLSERVER is not configured for database mirroring".
My Question is
Why manual failover did not get back database on secondary server upwhy the original connection string below is not able to connect to the database while database is online on Server_B but without mirroring
jdbc:sqlserver://<Server_A>MSSQLSERVER;databaseName=<Mirrored_DB>;port=1433;failoverPartner=<Server_B>MSSQLSERVER
Error While Configuring Database Mirroring
Dec 18, 2007Hi all,
I am trying to set up Database mirroring on my test & DR server. But , I am getting the following Error:
( On local PC Mirroring is successful).
Both the test & DR have same service accounts for SQL Server.
Thanks for all your help.
Thanks.
Error:
TITLE: Database Properties
------------------------------
An error occurred while starting mirroring.
------------------------------
ADDITIONAL INFORMATION:
Alter failed for Database 'databasename'. (Microsoft.SqlServer.Smo)
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&ProdVer=9.00.3042.00&EvtSrc=Microsoft.SqlServer.Management.Smo.ExceptionTemplates.FailedOperationExceptionText&EvtID=Alter+Database&LinkId=20476
------------------------------
An exception occurred while executing a Transact-SQL statement or batch. (Microsoft.SqlServer.ConnectionInfo)
------------------------------
The server network address "TCP://Mirrorserver.domainname.local:5022" can not be reached or does not exist. Check the network address name and that the ports for the local and remote endpoints are operational. (Microsoft SQL Server, Error: 1418)
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&ProdVer=09.00.3042&EvtSrc=MSSQLServer&EvtID=1418&LinkId=20476
------------------------------
BUTTONS:
OK
------------------------------
Sql Server Limit Max Number Of Connections
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SQL 2012 :: How To Transfer Login To Secondary Server And Assign Same Permission To Secondary DB
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May 30, 2006I 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.
SQL SERVER 2005 DATABASE MIRRORING For Large Number Of Databases
Jun 1, 2006I 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.
these 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.
All of the databases are critical and all must be included in the Database Mirroring.
so, after that I tried to implement database mirroring again......
System has 3 GB of RAM, SQL SERVER (Mirror) using 85 MB of RAM but still
giving this error while trying to enable database mirroring for 37th
Database.....
"There is insufficient system Memory to run this query"
WHY?
SQL Server Admin 2014 :: Database Mirroring For Large Number Of Databases
Oct 27, 2015I have a 2 node cluster having 4 cores each wherein having 3 instances of SQL 2008 R2 enterprise comprising of 60 databases, 20 on each instance. I need to setup mirroring for each of the databases to a secondary server having 4 cores and 3 instances. What i understand is that in this case the mirror server will be providing max of 512 worker threads and the 60 mirror databases would consume 240 threads.what all needs to be checked for looking into the feasabilty of going ahead with a async mirror setup as mentioned above.
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The matrix works great HOWEVER, if there were more than 8 months in the matrix columns, it does not break and would make the page look like a huge landscape page.
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Limit Of Number Of Rows In A Table ?
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Code Snippet
const string connectionString = "Data Source='" + dbFileName + "'; Max Database Size = 4091; temp file max size = 4091";
using (SqlCeEngine testEngine = new SqlCeEngine(connectionString)) {
testEngine.CreateDatabase();
}
using (SqlCeCommand addMValuesTableComand = testDbConnection.CreateCommand()) {
addMValuesTableComand.CommandText = "CREATE TABLE MValues (MSerieId int, TimeStamp smallint, Value real, PRIMARY KEY(MSerieId, TimeStamp))";
addMValuesTableComand.ExecuteNonQuery();
}
//fill table
StatusLabel.Text = "fill MValues Table";
using (SqlCeCommand fillTableComand = testDbConnection.CreateCommand()) {
int i = 0;
try {
int iterationCount = (int)RecordsCountNumericUpDown.Value;
ProgressBar.Value = 0;
ProgressBar.Maximum = iterationCount;
for (i = 0;i < iterationCount;i++) {
fillTableComand.CommandText = "INSERT MValues VALUES (1, " + i.ToString() + ", " + (i/100.0).ToString() + ")";
fillTableComand.ExecuteNonQuery();
ProgressBar.Value = i+1;
}
} catch (Exception ex) {
ErrorTextBox.Text = "Error occured" + Environment.NewLine +
"Iterations: " + i.ToString() + Environment.NewLine +
"Error Message: " + ex.ToString();
}
}
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Feb 11, 2004hI,
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The number of rows for this query will output 90283 rows.
--------------------------------------------------------------------------------
Query :
SELECT L_ExtendedPrice, COUNT (*) AS Count FROM LINEITEM GROUP BY L_ExtendedPrice ORDER BY Count DESC";
---------------------------------------------------------------------------------
Error msg :
An unhandled exception of type 'System.Data.SqlClient.SqlException' occurred in system.data.dll
Additional information: System error.
----------------------------------------------------------------------------------
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Code Snippet
<DTS:Property DTS:Name="ObjectName">Load Ready Output Connection Manager</DTS:Property>
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Query
SELECT @SQLTier1Select = 'SELECT * FROM dbo.UDV_Tier1Accounts WHERE CUSTOMER IN (SELECT CUSTOMERNUMBER FROM dbo.UDF_GetUsersCustomers(' + CAST(@UserID AS VARCHAR(4)) + '))' + @Criteria + ' AND (number IN (SELECT DISTINCT ph1.number FROM Collect2000.dbo.payhistory ph1 LEFT JOIN Collect2000.dbo.payhistory ph2 ON ph1.UID = ph2.ReverseOfUID WHERE (((ph1.batchtype = ''PU'') OR (ph1.batchtype = ''PC'')) AND ph2.ReverseOfUID IS NULL)) OR code IN (SELECT DISTINCT StatusID FROM tbl_APR_Statuses WHERE SearchCategoryPaidPaymentsT1 = 1))'
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