1
vote
1answer
152 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
0answers
15 views

Mirroring failed over - created 2 principal database and will not allow me to drop one of them

For some reason my mirrored servers triggered an automatic failover. I have 2 databases that both think they are the principal server, one is "Principal, Synchronized/In Recovery" and the other is ...
2
votes
0answers
20 views

Change Data Capture not running when Mirror is Suspended

We have 2 SQL 2012 SP2 Enterprise servers that have some mirrored databases. One of these databases also has CDC enabled on a number of tables so that we can run some business logic when there are ...
0
votes
0answers
130 views

SQL Server Mirroring send/receive ack time not normal

I have a problem that arises during the performance test by microsoft team in my client. The report that is given to us provide information about whether or not a parameter is good based on the Object ...
0
votes
1answer
371 views

Troubleshooting Mirroring Configuration

I am configuring database mirroring on SQL Server 2012. After configuration I am getting the following error when attempting to start the mirroring session: tcp server cannot be reached or does ...
2
votes
0answers
582 views

Failover only working for Classic ASP, not ASP.net [closed]

Setup: All machines run Windows Server 2008 Enterprise SQL Server 2012 Standard (Primary) SQL Server 2012 Standard (Mirror) SQL Server 2012 Express (Witness) Root issue: Our ASP.NET application is ...
2
votes
1answer
735 views

Should I use Asynchronous Mirroring?

I plan on setting up mirroring on a SQL 2012 database which is currently in production. My concern though is how much it will affect the performance of the principal database. I am using mirroring ...
1
vote
4answers
2k views

Cannot remove Mirroring / nor restore or delete database:Error 3456 (SQL Server 2012)

I have a database that was a mirrored partner and went into suspended state. (Mirror Server was shut down). I took the principal database out of mirroring using SSMS. But now I am unable to restore ...
3
votes
1answer
361 views

How can I automatically trigger a script when my DB fails over?

I have some Windows services that I'd like to restart after a database failover but I can't find any details on triggering external actions after a failover. I'm working with SQL Server 2012 database ...