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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How to manage primary key value while multiple secondary server sync with primary server?

we have three secondary database server in different cities and one primary server. my question is i want asynchronous transaction commit to all three database but primary key data conflict occur ...
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1answer
29 views

Expanding AlwaysOn Availability Groups with Replication Subscribers

I have query regarding "AlwaysOn Availability Groups with Replication Subscribers"... Can I add multiple publishers to a subscriber(which is part of availability group as a primary server)? In which ...
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0answers
20 views

availability-groups

I was in the process of configuring aag on two new 2014 Enterprise servers. The configuration going good and the cluster, the nodes, the listener, the fileshare witness are online. Everything seems ...
15
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5answers
387 views

From the DMVs, can you tell if a connection used ApplicationIntent=ReadOnly?

I have an Always On Availability Group set up, and I want to make sure my users are using ApplicationIntent=ReadOnly in their connection strings. From the SQL Server via DMVs (or Extended Events or ...
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0answers
17 views

SQL Server 2014 Availability Group Listener only visible to primary node of AG

I'm having some trouble configuring the Availability Group Listener for SQL Server. Here's my current setup: I have one server, lets say server DC, which acts as the domain controller for AD DS with ...
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0answers
27 views

SQL Replication Monitor does NOT show publication properties - Transactional Replication

The setup I have is as follows: a) Version SQL Server 2014 SP1 CU6. b) publication is on a separate availability group [AG1] and subscriber is part of another AG [AG2]. c) Distribution is ...
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1answer
39 views

How to check programmatically which replica I'm connected to

I have an AlwaysOn Availability Group on MS-SQLServer (2 replicas) and a C# application which sends queries to the Availability Group Listener. How can I check which replica is responding my queries? ...
0
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1answer
21 views

AlwaysOn Shared network location change requrest

We have successfully setup the Alwayson with different subnets and it was working fine. But unfortunately the existing NAS storage had a problem. Now our storage team provide new storage IP. We need ...
2
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1answer
74 views

Microsoft SQL Server AG Synchronous Mirroring is not synchronous

We were upgrading to SQL Server 2012 and decided we wanted to divorce ourselves from replication we were using for Reporting services on Node 2. AG and mirroring looked like a good solution -- and we ...
11
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1answer
153 views

Will running a large query on a secondary database in an availability group affect transaction performance in the primary database?

I need to provide real-time, or almost real-time, data for SSRS and Tableau reporting. I don't want the production OLTP system to be negatively impacted by long running queries. Will running a large ...
0
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1answer
38 views

SQL Server 2014 - AlwaysOn HA - Always Synchronizing

I have a Windows Server 2012 R2 cluster with SQL Server 2014 configured in a HA configuration. The secondary databases always say Synchronizing when the data movement is happening. Is this normal? ...
2
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1answer
169 views

By Mistake Deleted AlwaysOn Availability Database from live Production Server

Today by mistake deleted The AlwaysOn Availability Database from live server. Let I am explaining the Details. In AlwaysON Availability Groups, there is 2 Availability Replica. That is Primary ...
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1answer
43 views

Upgraded to SQL Server 2012 and sql server agent scheduled jobs run twice

We recently upgraded from 2008 to 2012 and with one of our applications running on a ACTIVE & PASSIVE server (Always On) it has been running twice at the exact same time. We verified it wasnt ...
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0answers
54 views

Single volume for five Filestream databases

We are going ahead with PROD server setup. SQL Version 2014 AOAGs. I have a question about the M:\ holding 5 Filestream databases totaling 1.5TB. What will be the operational risks of running one ...
1
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1answer
55 views

WSFC Quorum query

I have an three node AlwaysOn AG setup, running on SQL Server 2012 SP3 in Windows Server 2012 R2. Node 1 and Node 2 are in the same physical location. Node 2 is the secondary replica. Third node acts ...
0
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0answers
15 views

SSISDB Catalog in sql server [duplicate]

I have SSIS feature installed but in what case I should configure SSISDB ? To my knowledge all sys.ssispackages resides in MSDB in SSIS. But my set up is new and it is AOAGs set up so just want to ...
2
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1answer
18 views

SQL Server AG in primary site with separate WSFC AG in secondary site

I would like some feedback from those experienced with SQL Server Availability Groups (AGs) in multiple sites. We have a scenario where there are five SQL Server 2012 Enterprise Edition servers in a ...
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1answer
36 views

Is it possible to have one server acting as secondary for two primaries on AG?

Can I have a server acting as secondary replica for two primary servers on an availability group? If possible, are there some concerns about performance in an async environment? Are listeners going ...
0
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1answer
35 views

Take full and differential backup on secondary replica - SQL Server 2014

I do have SQL Server 2014 high availability setup in Prod env. Server A – Primary, B-Secondary and C -DR. Server A to B are synchronous commit and automatic failover. Server A to C ...
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1answer
17 views

Physical Move of Secondary Replica to a new Location

We plan on moving a secondary replica of an SQL2014 AlwaysOn group to another physical location although it will have the same IP address after the move. The shutdown may be between 24 and 48 hours. ...
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0answers
42 views

Shrink Log file in an Always On Availability Group [duplicate]

My LDF file is too big (almost 500 GB) because we had some problems. I know that is not good to shrink files, but we need to do it this time. My database is using the FULL recovery model and is in ...
1
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1answer
82 views

Linked server to Availability Group Listener - is anyone successfully using one?

I edited the question hoping to check the basic stuff first. Does anyone have linked servers that successfully work with Availability Group listener? Have anyone heard of problems with linked servers?...
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2answers
47 views

Multiple SQL Server instance install question for AlwaysOn

I have a 2 node WSFC cluster with SQL Server 2014 installed on each for AlwaysOn. This is working fine. My question is can I install another instance of SQL Server 2014 on these nodes for another ...
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2answers
87 views

Any different guidance for tempdb with Availability Groups?

I have an Availability Group set up on SQL Server 2014 running on a two-node Windows Server Failover Cluster. The setup consists of two stand-alone instances + synchronous with automatic failover. ...
0
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0answers
33 views

is it possible to use SQL Server listener IP to the application?

I have 2 application servers and I have SQL Server clusters with always on high availability. I need to point my application server database to the SQL Server listener IP. Is it possible ? if so ...
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0answers
45 views

Quorum Questions For An FCI And AlwaysOn in a WSFC

I was reading the white paper on FCI + AlwaysOn as well as several other resources on quorum voting differences in Windows Server 2008 and 2014 and had 3 questions. 1- Will giving a node in the ...
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1answer
78 views

Scheduling index rebuild jobs

I have a MS-SQL 2014 SP1 - two node AlwaysOn AG (One Primary and an read-only secondary) with about 10 databases sizing 20-30GB in total. I have some queries regarding scheduling index rebuild and ...
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1answer
38 views

Login in Always On Availability Groups

I am new to Always On Availability Groups and I am little bit confused with creation of logins. Let's assume an environment NODE1(Primary) & NODE2(secondary) & NODE3(Stand by) & VAEWI(...
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1answer
24 views

Installing a Failover Cluster Instance on a Cluster already in use for Instances hosting Always On

I have been asked to install a SQL Server FCI on a 3 nodes cluster already hosting 4 different instances with Always On Availability Groups. While I am building the lab on my machine, I am wondering ...
1
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1answer
51 views

Very slow insert performance on large table (EF)

One of our systems has a table that receives around 20k inserts per day - it currently contains ~10m rows. We've just pushed out a system upgrade and I'm intermittently getting some shockingly slow ...
0
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1answer
84 views

SQL Server AlwaysOn Error:35250

I am configuring AlwaysOn in my test environment but getting the following error. Msg 35250, Level 16, State 7, Line 1 The connection to the primary replica is not active. The command cannot be ...
1
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1answer
38 views

CDC with AlwaysOn Availability Groups

So I just recently got to enable CDC on an always on AG. While many sources claimed enabling CDC on alwaysON AG is as easy as it is on any standalone server, turns out it really isn't. As MS says here:...
0
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1answer
37 views

Cannot read from secondary availability group

I have an issue with Always On Availability Groups In SQL Server 2012. I installed a replica secondary SQLNODE3. It was fine and everything retrievable form tables but suddenly I found I could not ...
0
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1answer
26 views

HADR procedures

We are thinking of a SQL Server 2014 + Windows Server 2012 configuration for a HADR scenario. My questions are: on a HA scenario, how does the primary server get updated once it is again available ?...
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45 views

Speed Up Garbage collection in FileStream process

In my current process, we have two production site SQL Servers 2014 (Sync), and one DR site SQL Server 2014 (ASync) in one WSFC. I will be hosting 5-6 databases for AOAG set up, out of which one of ...
0
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1answer
54 views

Transaction log changes not synchronizing with AlwaysOn

SQL Server 2012 Enterprise in an AlwaysOn configuration. The Availability Group for this specific DB is synchronized and healthy. I had to add a second transaction log file (logfile2) to the primary....
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1answer
48 views

patching SQL Server with Availability Group and Secondary Replica

Scenario: SQL Server 2014 CU6. 1 AG with 2 databases (compatibility level 100). Failover Cluster with 3 nodes on Windows Server 2012 R2. Primary Availability Replica on node 1 and node 2. Secondary ...
1
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1answer
39 views

DR Site availability if primary goes down

I have two SQL Servers at a production site (2 node WSFC) in an Availability Group, and one SQL Server at a DR site. If I add DR site node to existing WSFC to configure AOAG: If both servers at the ...
1
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1answer
30 views

File share Witness or Disk Witness

I have 2 SQL Servers at production site Windows Server Failover Cluster and 1 SQL Server at DR site. I will add the DR node to existing Windows cluster and configure AOAG. Should I go for File share ...
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0answers
25 views

Secondary database log file in alwayson is very big [duplicate]

I have an alwayson environment (AlwaysOn AG). Database [UsersDb] in the slave server, His log file is very big . How can I reduce his size(shrink)?
2
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1answer
56 views

SQL Server Always ON

We have a SQL Server 2008 R2 cluster with 2 node and total data is about 2 TB now that cluster is log ship to 4000 Miles another data center. I know about a 2 years back we have mirroring setup ...
0
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1answer
31 views

Log Backup in AlwaysOn

In our current process, log backup is done by log shipping backup job. Is there any need to configure backup job for transaction log in next AlwaysOn environment? If we must configure backup, we ...
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2answers
27 views

SQL Server Cluster + Availability Groups?

I'm actually finding a way to provide a good High Availability and Failover solution while I have a way to manage some sort of horizontal scalability and Load-Balancing... I actually have a SQLServer ...
0
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0answers
22 views

Quorum Drive needed?

Do I need a quorum drive for configuring Always On on SQL Server 2014? I am sure it is not mandatory as the 'last man standing' concept is based on node and disk majority. But I need a little more ...
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2answers
29 views

Always On Stand Alones

Can I add a Stand Alone instance to a Windows Failover Cluster for Always On set up? I need to have one secondary synchronous replica with automatic failover.
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2answers
53 views

Statistics for AlwaysOn Availability DBs

Can you please help me understand why there is a need for SQL Server to maintain statistics in tempdb for DBs that are part of an Always On Availability Group? Isn't "everything" that happens in the ...
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3answers
64 views

AlwaysON - Force users connection to use Readable Secondary Nodes

I'm implementing SQL Server 2015 Enterprise on my actual client, using Always On Availability Groups. Processes like Reporting, ETL (extraction of data), and read workload are being redirected to the ...
1
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1answer
49 views

AlwaysOn Synchronous Mode Possibilty

We have 2 SQL Servers at Production site and 1 SQL Server at DR site. Please correct below things as I am not getting clear idea about these sync mode in AlwaysOn: If I install SQL Server FCIs in ...
0
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0answers
28 views

Tsql - getting list of instances in the alwayson Availability group

I want to connect to the listener in the AlwaysOn availability group and by running a query I will get the list of instances that are part of the AlwaysOn . For example: I has listener "MylistenerHost"...
0
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2answers
33 views

AlwaysOn Async read takes more time when compared to that of Sync secondary [closed]

AlwaysOn Async read takes more time when compared to that of Sync secondary (by a small fraction). Is this expected behaviour? I was under the impression that ASYNC must be faster than the SYNC.