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13
votes
3answers
13k 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 ...
6
votes
2answers
4k 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
votes
2answers
2k views

Should I pause Mirroring and stop SQL Server services before running windows updates?

I am running Windows update on my SQL Servers (which are in a Principal-Mirror partnership, in High Safety mode). I am starting with updating the mirror and I was wondering, to increase safety, ...
8
votes
2answers
478 views

Mirroring the Distributor

Has anyone had success with mirroring the distribution database? We have a dedicated server as a Distributor. It handles all our push replication from prod to reporting. We'd like to build an ...
1
vote
1answer
77 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
3answers
5k 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 ...
10
votes
2answers
1k views

If I fail over one database, do the others that share the same mirror endpoint fail over as well?

We have two databases setup for mirroring on a single SQL Server instance: a test database and a production database. Both get mirrored to another server using the exact same endpoints. If I go into ...
9
votes
1answer
102 views

Why my database mirror break down after changing file group settings from RESTRICTED_USER to MULTI_USER?

My environment is the following: VMWare 5.5 vitalized server MS Windows Server 2008R2 Enterprise domain and SQL Server 2008 R2 Enterprise. Centralized storage with fibre-channel connection. I have ...
4
votes
1answer
372 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 ...
1
vote
1answer
46 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 ...