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0
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17 views

How to clean DBMIRROR_EVENTS_QUEUE process on broken mirror?

We setup mirror (on SQL Server 2008 R2), but it fails during the setup. After that the mirror was moved on another server. My problem is that it left some process, because on that server I see active ...
0
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1answer
45 views

SQL Server : Restoring database mirroring once its turned off

I was running security updates on the sql server mirror setup and I encountered split brain scenario as mentioned here Should I pause Mirroring and stop SQL Server services before running windows ...
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0answers
17 views

Changing the Service Account with SQL Server Mirroring

As the title suggests we are looking to change the service account of a SQL Server mirror implementation. I will be using the same account on all 3 servers involved in the configuration. I know each ...
6
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3answers
4k views

How can I inspect the security settings of a SQL Server Endpoint?

I am in the process of creating a TEST environment for our SQL Server development staff. In production we have 3 SQL Servers, SQL01 contains several databases that are mirrored to SQL02. SQL03 ...
3
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1answer
23 views

Microsoft SQL Server 2012 Mirrors Go Into Disconnected

I have some Microsoft SQL server 2012 mirrors, without a witness in asynchronous mode, that are sporadically going into disconnected. I am running SQL Server 2012 11.0.5058. Looking at the logs on ...
10
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3answers
308 views

Best way to migrate a huge SQL Server database with low downtime over network

Problem definition Our database server needs to be transferred to an other datacenter. It runs on Microsoft SQL Server 2012 Enterprise (64-bit) and contains two databases of about 2TB and 1TB. ...
13
votes
3answers
11k views

What can cause a mirroring session to timeout then failover? SQL Server 2005

We have two production SQL Servers running SQL Server 2005 SP4 with cumulative update 3. Both servers run on physical machines that are identical. DELL PowerEdge R815 with 4 x 12 core CPUs and 512GB ...
0
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2answers
25 views

Does a mirroring configuration requires the database do stop receiving requests?

I want to configure a SQL Server 2012 Mirroring. I know that I have to create a full backup of the Principal server and restore it at the Mirror server. After that, I will backup the transaction log ...
0
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1answer
21 views

How to safely resume a SQL Server Mirroring scheme that had a expired certificate?

We have a production database with a SQL Server 2012 Mirroring scheme with three machines: Principal, Mirror, Witness. The mirroring was configured with a certificate that had only one year of expiry ...
3
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1answer
79 views

AlwaysOn AG - CPU limitations

I’ve been trying to find out if the same CPU limitations database mirroring has apply to Availability Groups. My guess is that the same limitations exists, given that Availability Groups was built on ...
1
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2answers
3k views

Best Possible Solution for Reporting Mirroring or Replication?

Hi I have SQL SERVER 2008R2 Data Centre Edition and I use SSRS and a Vendor application for reporting. I have a Reporting Server where we backup and restore everyday from Live Server to have Data ...
1
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0answers
24 views

Replication throw an error after failover mirror partner is down in SQL Server

Received an error mentioned below after failover when mirror partner is down. Error : to fail over to a database which is not configured for database mirroring. code: 22037, text: 'Invalid ...
5
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1answer
308 views

Should I use Database Mirroring?

So I have the following scenario on my hands: I have a product database that runs for a specific app, all inserts into the database come in through three separate connections. Recently I have ...
2
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1answer
89 views

SQL Server 2008 R2 Readable Mirror

I know that SQL Server 2012 and 2014 offer AlwaysOn Availability Groups which provide this functionality, but I'm still stuck on SQL Server 2008 R2 for a while. I recently came across this AWS ...
0
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0answers
28 views

Database mirroring in SQL Server 2008 R2

I have problem with database mirroring. I have 2 servers on both I have installed SQL Server 2008 R2 and on both I created the same user name and password. Db mirroring is working if I use "This ...
1
vote
2answers
85 views

Detecting and fixing database corruption on SQL Server mirrored database

I’m new to my current company and we have a System Administrator but no DBA. In the past I’ve taken care of DBA related issues at other companies. I’ve run into and corrected database corruption in ...
0
votes
1answer
70 views

SQL Server Mirroring and automatic failover - why don't all DBs failover to the mirror?

On SQL Server 2008 R2, I'm mirroring 20 databases on my SharePoint SQL Server with a witness, high-safety. All mirrored DBs have the default mirroring_connection_timeout = 10. And, occasionally, a ...
1
vote
1answer
54 views

What precautions to take when moving a mirrored server

I have a SQL Server 2008 R2 mirror setup running in high safety with automatic failover (synchronous, witness). Over two different nights, the mirror and the primary will be shut down and re-racked. ...
0
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0answers
68 views

Set up sql server db mirror specifying IP address for mirroring_partner_instance

Ok. I run: ALTER DATABASE DbName SET PARTNER = 'tcp://10.0.0.0:5022' Command completed succesfully Then run SELECT DB_NAME(database_id) AS 'DatabaseName', mirroring_partner_instance FROM ...
7
votes
1answer
169 views

Enabling TDE without breaking existing mirror

I've been trying to enable TDE in a mirrored SQL Server 2008 R2 configuration. Enabling TDE is not so difficult, though when I enable TDE on the principal, the mirror database goes in to a suspended ...
1
vote
0answers
54 views

Why database replication fails when database mirroring is broken?

I'm trying to understand what effect database mirroring can have on replication in SQL Server 2008. Here is current environment: (don't ask me why it was done this way or to change it) Server A: SQL ...
3
votes
1answer
103 views

Effects of turning the transaction safety OFF

I am considering to turn off the transaction safety to maximize the performance. Before that i am interested in finding the current status of transaction safety. Is there any command that we can get ...
0
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0answers
277 views

SQL Server: mirroring several tables in different databases

I want to keep several tables in two different databases mirrored. Both databases are within the same server, and both are SQL Server dbs. This mirroring only affects the data they contain, not the ...
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0answers
21 views

SQLAnywhere: ODBC and Database mirroring

I'm tying to setup the correct way to connect to a mirrored database via ODBC. Usually a connection string like (taken from tutorial) ...
4
votes
1answer
84 views

What data gets passed between mirroring principal and secondary?

We are trying to figure out which of the below statements is correct when talking about SQL Server mirroring: The master database server executes the query, and takes the resulting transactions and ...
3
votes
2answers
243 views

What happens in this strange SQL Server Mirroring situation?

Let's assume that two SQL Server instances (S1 and S2) are in synchronous mirroring or in a synchronous Availability Group. Now the following happens: A write happens on S1 and transaction commit is ...
1
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0answers
177 views

SQL Server spending a lot of time creating sp_dbmmonitorupdate

I have an SQL Server 2008 R2 Standard with around 80 databases, 18 of which are a synchronous mirror primary. I'm having a lot of complaints about database speed lately, so I've started digging with ...
0
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0answers
32 views

MySQL: migration huge tables between two databases

Hello guys (and sorry for my English). I have 2 DB's - DB1 (staging) and DB2 (production), each day some contend added/changed in some tables in DB1 and should be moved to DB2. Right now it works ...
1
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1answer
47 views

user mapping is droped after swithing from principle server to mirror server

I have principal server:A and mirror server:B with DB Name: "DBTest" On the server A there is a username (SQL auth.) call: user1 and is mapped to "DBTest". the Same is on Server B, same username and ...
0
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0answers
44 views

mirroring on sql server 2012 on different windows server 2012

I have 2 servers *.203 and *.205 I have sql server 2012 on each of them I tried to make mirroring between them every thing goes successfuly but when I tried to start mirroring it gives me ...
2
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4answers
4k views

How do I determine if a database is the principal in a mirroring setup?

I have two database servers Server1 and Server2, configured with mirroring. A single database, MirrorDB, is mirrored. There is another database on Server1 named OtherDB which is only present on ...
1
vote
1answer
41 views

many Servers of SQL server 2012 needs mirroring [duplicate]

I have now simply 2 SQL Server 2012. I want to configure database mirroring between the 2 servers. My questions are: How can it automatically change host of one if the other one was dropped ? Is ...
1
vote
1answer
64 views

many Servers of SQL server 2012 needs mirroring

I have two SQL server 2012 instances and I want to configure mirroring between the 2 servers with database. My questions are: How can it automatically change host of one if the other one was dropped ...
6
votes
2answers
3k views

Transaction Log maintenance on Mirror database

SQL Server Version: 2008 R2 Enterprise SP2 I am trying to get a handle on our SQL Server maintenance and I came across something I think is incorrect. We have a single production instance with 3 ...
4
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1answer
373 views

Changing autogrow settings with database mirroring

Recently I changed the Autogrow settings for some of the databases on our SQL Server 2008 R2 server. These are involved in a database mirroring configuration, with the principal on SERVER1 and the ...
2
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0answers
304 views

SQL Server mirroring causing issues

So we have a couple of SQL Server instances involved on mirroring without witness and operating mode is asynchronous in all cases. After we set put mirroring in place, we started facing connections ...
1
vote
1answer
65 views

Database slowdown at random times using mirroing

Our web application suffers DB query timeouts a few times a day at random times. Can you help to work out the cause, e.g. deadlocks, mirroring (disk or network), etc? We have two identical database ...
1
vote
1answer
54 views

Database mirroring in sql server

I have setup SQL server mirroring in two servers. I have enterprise edition on primary server. And standard edition on secondary server. To verify data on secondary server I broke mirroring. After ...
3
votes
1answer
81 views

SQL Server Replication w/o network connection

Is there a way to use SQL Server Replication without a network connection? My would-be publisher is an SQL Server 2005. It is on the "outside" as it is connected to my company's primary LAN, which is ...
1
vote
1answer
267 views

What is the possibility that mirroring a database will damage, corrupt, or erase either the primary or target database? [closed]

The last time my company had tried to mirror some databases, everything worked great until one morning they came in and the primary database in one of the mirroring schemes was just blank. They had ...
0
votes
1answer
177 views

Database Mirroring and Snapshots

As part of a SQL Server deployment, it was proposed to use Database mirroring as a redundancy option as well as allowing for Reporting and MI to be detached from the Operational DB. The proposal is ...
4
votes
3answers
226 views

Make a Copy of a Microsoft SQL Server 2005 database from a Mirror Copy

I have a SQL mirror database in Microsoft SQL Server 2005. I would like to get a copy of it as a new database so I have the ability to read, write, and backup the database. I cannot break the ...
2
votes
3answers
501 views

Standard Edition High Availability without Shared Storage

I'm a software dev with little experience managing SQL Server so please bear with me. We are developing a piece of software that needs to be highly available, with a significant degree of resilience. ...
0
votes
2answers
600 views

Mirroring between two Ms-sql servers for Migrating server from one Datacenter to other Datacenter

I have a query about microsoft sql server. I'm looking for migrating ms sql server from one vendor to another vendor(Datacenter). I'm looking to have a mirror configuration between servers since my ...
1
vote
1answer
707 views

SQL Server database Mirroring on different servers

I tried to perform SQL Server database Mirroring(with SQL Server 2008R2). And I got success to perform mirroring with "High Safety" mode. And for that I have used three instances of SQL Server ...
1
vote
1answer
163 views

Why Are My Mirrored Databases Changing States on Their Own?

Setup: SQL Server 2005 w/SP4 64-bit Standard for all three servers Windows Server 2008 R2 Enterprise w/SP1 64-bit for all three servers 01 is designated as the Principal 02 is designated as the ...
5
votes
2answers
2k views

Mirroring in SQL Server 2012

I have been trying to learn to do this. I've got newly installed Win 2008 R2 machines, in a workgroup, in the same subnet, and of course SQL Server 2012. I allowed login with SQL Server ...
2
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0answers
208 views

database mirror problem with Network Service account

I have two SQL Server 2008 R2 instances installed on same Server and the engine log on as Network Service account which is set by installation. there is a database TestDB on both instances. I try to ...
3
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2answers
2k views

SQL Server Database Mirroring is going to die. How can I guarantee high availability now?

The Database Mirroring feature of SQL Server is going to die: This feature will be removed in a future version of Microsoft SQL Server. Avoid using this feature in new development work, and plan ...
1
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1answer
104 views

SQL Server USE ignores IF block

I want to shrink the transaction log file of several databases using a maintenance plan. Those databases are mirrored, therefore the shrink task cannot be executed on the MIRROR databases, but the ...