Availability Groups are a new feature of SQL Server 2012 that provide continuous data synchronization, automatic failover and secondary read access for one or many SQL Server databases.

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Can Availability Groups provide seamless failover (with no query failures)?

I have been testing the Availability Groups feature in SQL Server 2012 and am finding that there is approximately 15 seconds of down time when the primary server fails over to the secondary server. ...
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Availability Group configuration & licencing

I am about to setup a 3 node AV group for SQL Server 2012 my configuration will be - London-Srv1 - PRIMARY Core Database (OLTP) set to READ_WRITE London-Srv2 - SECONDARY PASSIVE synchronous Core ...
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Do Availability Groups support Active/Passive?

I am looking into the licensing of SQL Server 2012 when using Availability Groups with 2 servers. It is not clear to me if Availability Groups are only available as Active/Active and not ...
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Enabling Service Broker on a database involved in an availability group

I'm trying to enable Service Broker on a SQL Server 2012 database that is part of an availability group and keep getting this error message: The operation cannot be performed on database "dbname" ...
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Can CDC or Change Tracking be against a read only secondary?

We will be deploying SQL Server 2012 Availability Groups with read only secondaries and would like to execute our SSIS extracts against the secondary while utilizing CDC or change tracking (the ...
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Trouble Creating AG Listener: The WSFC Cluster could not bring the Network Name resource

We are trying to create an AG Listener and it errors out on us: It does however seem to create both the DNS entries and the virtual computer object in AD. However, because of this error message SQL ...
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851 views

Transaction Log Truncation with Copy Only

I have a database backup job set to use full backup with the Copy only option on once daily. The copy only is on because from what I have read that is the only way to backup a database that is ...
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AG and SQL Backups

I am using always on in sql 2012 and have an AG setup. I would like to know if i were to backup the primary database and restore it would that be allowed without taking the cluster down etc. ...
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AlwaysOn SQL Server setup questions

I just have a few questions regarding the setup of Always On HA, and Clusters. When you setup an AG, and it gets to setting up your IP address for the cluster how can i switch from using DHCP to a ...
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Can Availability Groups replace transactional replication?

I've been looking at the new features of SQL Server 2012, and how it can help my current situation. Currently we're on SQL Server 2008 R2, and replicate two OLTP servers' databases to a single ...
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Service Broker & AlwaysOn Availability Groups: Odd Transmission Queue Behavior

I have also posted this question on my blog: http://www.sqldiablo.com/2012/04/15/service-broker-alwayson-availability-groups-odd-transmission-queue-behavior/. I’ve been working on a project over the ...