1
vote
1answer
31 views

Break AG Cluster

I have a 2 node cluster setup and we use AlwaysOn HA with it. Currently we have two AG's and each one has three separate databases in each AG. We want to break the cluster and have three databases ...
2
votes
0answers
43 views

AlwaysOn FCI + HA Setup Question

I am planning to create FCI + HA solution in the same datacenter, but running into some problems. I'd really appreciate if someone can provide some guidance. Here is the current configuration (All ...
2
votes
0answers
28 views

How to add a missing database to an AlwaysOn Availability Group [duplicate]

Setup: Microsoft SQL Server 2012, and we have 3 production servers(prod1, prod2, prod3) with AlwaysOn. We recently added a new database and the new database was added to our Availability Group(named ...
0
votes
0answers
23 views

Setup for Availability Group with Analysis Services

We currently have one server with the Database Engine, SSAS, SSRS and SSIS all running on it. We are moving to a two server Availability Group setup. Currently I am not too worried about resources ...
3
votes
1answer
97 views

Execute T-SQL Only If AlwaysOn Database Is Primary

Little background on the system. It is SQL Server 2012 AlwaysOn Availability Group with 1 primary and 1 secondary. I have been following this article (SSIS with AlwaysOn) to make SSIS work with ...
5
votes
0answers
75 views

SQL Server AlwaysOn log_send_rate

On all our AlwaysOn setups, running Windows 2012 and SQL Server 2012 in virtual machines and on bare-metal, I find that the log_send_rate in sys.dm_hadr_database_replica_states is consistently ...
0
votes
1answer
90 views

Fastest way to migrate database to AlwaysOn cluster

I want to make the fastest migration plan to move a SQL Server database in simple recovery from a standalone server (SQL 2005) to a two node AlwaysOn cluster in full recovery. Some databases are ...
2
votes
1answer
93 views

Listener pointing to incorrect AlwaysOn Availability Group

All, Thanks in advance I have two instances of SQL Server 2012 SP1 on a three node WSFC with a HAdr group on each instance with a corresponding listener. Instance 1's listener points to Instance 1, ...
2
votes
1answer
264 views

Connection AlwaysOn AG Listener Problem

I'm a newbie for microsoft technologies and I'm having problems in connectivity part for SQL Server 2014. This is probably an easy issue but I'm stuck. I've 4 servers. One of them is the Active ...
0
votes
0answers
102 views

Persistent Data Collector Collection_Set_3_Upload Job Failure with AlwaysOn Groups Enabled

I have a two node SQL 2012 AlwaysOn HADR cluster (v11.0.3412) with 3 availability groups configured. The AG groups are set to synchronous mode and the secondary is not readable (we do not want the ...
5
votes
1answer
254 views

SQL Server AlwaysOn Error_number 35206

I've joined a Ecommerce business where they use SQL Server 2012 AlwaysOn for HADR and this is the first time I've come across supporting this technology. The Sql Server log on both nodes gets ...
2
votes
1answer
217 views

Failover Cluster and AlwaysOn Availability Groups across Data Centers

We have two 3 node clusters in separate data centers, let's call them ClusterP and ClusterS. ClusterP is our primary and ClusterS is our secondary for disaster recovery. Each cluster has multiple ...
3
votes
1answer
171 views

Availability mode - manual failover mode, best practice for availability mode?

We don't want automatic failover for our availability group, but I have set availability mode to Synchronous, was that a mistake? The availability group runs on vmware with windows 2012R2, and I got ...
2
votes
1answer
60 views

AlwaysOn AG and Cross-Database/Server Transactions

We're about to move from SQL Server 2008 R2 Standard to SQL Server 2012 Enterprise and are reviewing or HA as part of process. Right now we use DPM and log shipping every 15 mins. Our MS partner is ...
2
votes
1answer
394 views

AlwaysOn Availability Group Automatic Failover does not work

Playing with AG setup I have the WSFC up and configured with two nodes in one availability group called DevClusterOnline. Both nodes (DEV-AWEB5 primary, DEV-AWEB6 secondary) are running Windows Server ...
0
votes
0answers
104 views

AlwaysOn Availability Group: Users on Secondary Server

We have an AlwaysOn Availability Group setup (DB1+DB2) and also a web server (Web1) outside of the domain that we need to connect to the AG using Windows Authentication. The following Windows ...
1
vote
1answer
82 views

Min no. of replicas to set up SQL Server Always ON over a Failover Cluster on a Windows Cluster

AO: Always ON FCI: Failover Cluster Instance WSFC: Windows Server Failover Cluster I'm scratching the surface of AO. I currently have one SQL 2012 FCI on a WSFC. Which means one Active node at a ...
1
vote
1answer
62 views

How Automatic Failover Works (AlwaysOn)

I'm going to use AlwaysOn technology on my servers, but it's some unclear points in the documentation: Automatic failover looks like Primary replica (A) unaccessable Secondary replica (B) becomes ...
3
votes
1answer
33 views

Object Auditing with Availability Groups

We are about to implement Availability Groups and it brought up a question. We currently use auditing to see which objects are no longer used in production. We also take a backup each night to use ...
2
votes
1answer
216 views

AlwaysOn Availability Group Forced Failover

May I request your input. I setup SQL 2012 with always on availability group for my databases in sync and secondary readable mode. I completed failover tests with sync mode and it is functioning as ...
2
votes
1answer
54 views

How can I automatically have a node become primary in an Availability Group?

In my environment, I have Db01 and Db02 setup with SQL 2012 AlwaysOn. Db01 is the preferred master as that is where all of the backup jobs reside. Typically, the only time that Db01 is unavailable is ...
0
votes
1answer
110 views

SQL Server 2012 Always On, during a massive DB change

As the topic says, I was wondering if you guys have any advice on potential issues with Always On availability during a massive update? We're in need of making several massive datamodel changes, ...
1
vote
1answer
48 views

Backups in Availability Groups

In case of async commit setup and the backup preference set to secondary replica. I have observed, in case of high unsent log size, log backup on secondary replica starts failing for that database ...
1
vote
1answer
562 views

Check the data latency between two Always On Availability Group servers in ASYNC mode

I have implemented Always on Availability Group in asynchronous mode between two servers primary and secondary. When i tried to check the data latency between the servers in performance monitor ...
1
vote
2answers
184 views

AlwaysOn Availability Groups Delayed Replica

With AO SQL 2012, is it possible to configure one of the member as delayed replica? I know ideally we would like this to be synced but in case of human error, it would give us the ability to check on ...
1
vote
1answer
161 views

Different results from sys.dm_db_file_space_usage with database prefix

To make it simple: According to MSDN (link) among other sources, you can get the amount of current free space in tempdb by using the following bit of TSQL: -- MSDN version SELECT ...
1
vote
2answers
190 views

Automatic Failover in Availability Group

I have 2 nodes in my SQL server fail over cluster. I use SQL Server 2012 Availability Groups for HA purpose. The problem is that when one my server goes down the automatic fail over does not happen! ...
15
votes
4answers
3k views

Clustering vs. transactional replication vs. availability groups

Assuming you need to make sure your application that relies on SQL Server 2012 as its database backend is available around the clock, even if one server machine fails. As a developer and not a DBA, I ...
2
votes
0answers
154 views

always on availability group with different speed disks

I'm looking to set up SQL Server 2012 installation with an Always On Availability Group, where the 'passive' replica will be hosted at another site on the WAN and using synchronous data commit - the ...
9
votes
1answer
1k views

AlwaysOn AG, DTC with failover

Problem: How can I run Distributed Transaction Coordinator (DTC) on all servers in an AlwaysOn Availability Group (AG)? I do NOT need to maintain transactions over failover/switchover events. Setup: ...
2
votes
1answer
87 views

Can you direct Availability Groups to fail over to a particular node?

Can you direct Availability Groups to fail over to a specific node in the cluster?
2
votes
1answer
100 views

Mysterious missing transactional replication tokens

I am looking at implementing Transactional Replication subscriptions in an AlwaysOn AvailabilityGroup. I tried to use this as a guide: ...
9
votes
3answers
2k views

SQL Server Agent Jobs and Availability Groups

I'm looking for best practice in dealing with scheduled SQL Server Agent jobs in SQL Server 2012 availability groups. Maybe I missed something, however at the current state I feel that SQL Server ...
3
votes
1answer
2k views

Transaction Log Maintanance While Using AlwaysOn Availability Group

We are using HADR ( AlwaysOn Availability Group) feature of SQL Server 2012. Server and AG Configuration as below: SQL12_SRV1 --> AG1(PRIMARY) - SYNC -->> DBTest SQL12_SRV2 --> AG1(SECONDARY) ...
1
vote
2answers
521 views

Databases outside of AlwaysOn availability group stuck in RESTORING status

I am testing the AlwaysOn feature of SQL Server 2012. I have 2 servers set up and can successfully create availability groups and fail them over between servers. However, any databases that DO NOT ...
1
vote
1answer
185 views

Startup procedure for availability replica becoming primary

Is there any way how to create a startup T-SQL script/procedure for starting availability replica (when state has changed from secondary to primary)? I want to disable SSIS jobs specific for related ...
-3
votes
1answer
1k views

Difference between accessing SQL Server by instance name and cluster name [closed]

I have installed failover clustering feature on two servers with Windows Server 2012 and then I installed SQL Server 2012 on both of them. I also enabled SQL Server 2012 AlwaysOn feature. Now I can ...
5
votes
2answers
1k views

How do I change SQL Server 2012 Availability Group DNS subdomain?

Questions: how can I get my availability group to be registered as ag-ewgtest.sql.company.com given that my server thinks of itself as server.company.com. Setup: my SQL Server 2012 availability ...
4
votes
5answers
3k views

SQL Server 2012 AlwaysOn: need to automatically add databases by script- T-sql or PowerShell

I've installed and successfully configured our SQL Server 2012 AlwaysOn 2-node servers for our new "Intranet" that is coming out. I've gotten AlwaysOn working great, and our Front End servers for the ...
1
vote
1answer
263 views

SQL Server 2012 Availability group disk configuration options

Background I am quite far into the process of setting up a 2 server SQL Server 2012 Always on availability cluster to provide redundancy with a readable secondary replica of all our databases. Since ...
1
vote
1answer
759 views

SQL Server 2012, Network for: AlwaysOn Availability Group with AlwaysOn AlwaysOn Failover Cluster Instances

Setup: I have two data centers. In site1, my primary site, I'd like to deploy an AlwaysOn Failover Cluster Instance (FCI). In site2, my data recovery site, I'd like to deploy a single-node instance of ...
5
votes
1answer
327 views

SQL availability groups log maintenance

I have a AG with 2 nodes in a site in sync mode and 1 offsite in async mode. I'm having trouble understanding how the logspace is maintained in this scenario. For instance, I'm taking log backups ...
4
votes
1answer
772 views

Specifying the failover partner when using Availability Groups

We have a situation where we are using replicated databases in an environment that's making use of Availability Groups. As we wanted no manual intervention when failing over, we decided to set up ...
3
votes
1answer
473 views

Are there problems with using SQL Server AlwaysOn Availability Groups with Windows 2008R2?

[Cross post from StackOverflow] Brent Ozar published this webcast (slides, video with free registration) entitled "Real-Life SQL Server 2012: AlwaysOn Lessons Learned", in which he repeatedly states, ...
2
votes
0answers
60 views

What is correct process to physically move an availability replica to another location

Current situation is we have 3 SQL Servers with one availablity group and we plan on moving one of the secondary replicas out of HQ to another location. There will be the span of a few hours between ...
1
vote
0answers
41 views

when can AG primary replica be a different host to WFC primary?

To set up an Availability Group with two servers, the servers both participate in a Windows Failover Cluster. I've seen cases after certain failover modes where the primary IP address in the cluster ...
4
votes
1answer
519 views

Enable TDE for existing AlwaysOn databases

I need to do a little benchmarking of AlwaysOn, both with and without TDE enabled. All the instructions I see cover adding encrypted databases to an availability group, but I see no mention of ...
2
votes
1answer
133 views

Availability Groups and Partition Swapping

Is it possible to use SQL 2012 Availability Groups over two machines and perform partition swapping on the primary machine ?
5
votes
1answer
488 views

Recovery time effects of Availability Groups

We did different kinds of basic Tests and AlwaysOn passed in many tests. We finally did a heavy write test for AlwaysOn and it gave surprising results. The actual Test details are here, the goal is ...
7
votes
2answers
2k views

How do Availability Groups work with cheduled jobs and SSIS packages?

I have 2 SQL Servers set up with a database in an AlwaysOn Availability Group. I also have jobs set up which run against the database. During a failover how do I ensure the jobs will continue to run ...