Recovery :: SharePoint Database Run Out Space In AlwaysOn Availability Group

Jul 11, 2014

I have a situation where I have two servers in SQL Server 2012 R2 AlwaysOn Availability Group. One is primary and the other one being secondary.  I am only running SharePoint Database on it.I have run out of space on the primary server and about to run out of space at the secondary server.  I have tried shrinking database transaction log files, but it returns an error that it cannot be shrunk as the database is in the AlwaysOn Availability Group.

Questions:
1.  Several forums suggest that databases need to taken out of AlwaysOn Availability Group in order for the shrinking to work properply?
2.  Would it have any impact on the database if it is taken out of availability group and then added back?

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Recovery :: Add Second Node In AlwaysOn Availability Group

Aug 13, 2015

How do I add my second (secondary) node in my AlwaysOn Availability Group, after adding my head node, and the secondary node is a virtual machine. See based on the attached file if it is the correct way?

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Recovery :: Setup AlwaysOn Availability Group Between 2 Separate Clusters

Sep 22, 2015

I have an active passive cluster on my primary Data center in NY and have a DR Active / passive SQL Cluster in TX. These are two separate clusters in the same domain using the same SQL server credentials.Both clusters host an active / passive SQL instance. Lets call it SQLNY(Primary) and SQLTX (DR). I want to enable always On Availability group within the two SQL Instances SQLNY and SQLTX. The listener will be SQLAG which will be used by the Application to connect to the SQL instance. Is there a practical way to implement this? This will not only give me instant fail over within the NY (Primary) but also give me the flexibility to fail over to TX. I am using SQL 2014 Enterprise Edition on both clusters.

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Recovery :: Is AlwaysOn Availability Group Support SCCM / SCOM And DPM

Apr 29, 2015

Is AlwaysOn Availability Group support SCCM , SCOM and DPM ??what is the best Solution for this products to be highly available ??

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Recovery :: Cannot Create Listener For High Availability Group Of AlwaysOn On Cluster Environment

May 27, 2015

I have getting issues when i am creating listener for always On . Error shown as below

Can not bring  the Windows server fail over cluster (WSFC) resources online. (Error Code 5942). The WSFC service may not be running or may not be accessible in its currents states, or the WSFC resources may not be in a state that could accept the request.

For information about this error code see "system error code" in windows development documentation 

The attempt to create network name and IP address for the listener is failed. The WSFC service may not be running or may not be accessible in its currents states or the value provide for the network name and IP address may be incorrect. Check the state of the WSFC cluster and validate network name and IP address with network administrator. (Microsoft SQL Server error 41066) ...

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Recovery :: Replicate Server Database To AlwaysON Availability Groups

Dec 1, 2015

I have configured replication between Always ON Availability Groups  (Listener) (PUBLISHER), remote distributor to XYZ SUBSCRIBER...with above link ...

Now, I want to know how to replicate Data from XYZ SERVER a PUBLISHER to Always ON Availability Groups  (Listener) (SUBSCRIBER)? Distributor Database being on XYZEX:

XYZ SQL SERVER as PUBLISHER, and DISTRIBUTOR 
to 
Always ON Availability Groups  (Listener) SUBSCRIBER...

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SQL 2012 :: AlwaysOn Availability Group Per Database

Jun 26, 2015

We are planning to upgrade our production servers from mirroring to alwayson. Our current mirror setup gives the advantage that it can failover a single database.To have a similar setup in alwayson we are probably going to create an availability group per database. Any other disadvantage in this except for the extra initial configuration work?

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Recovery :: Server Local High Availability Using Failover Cluster And Disaster Recovery Using AlwaysOn

Aug 17, 2015

We have a requirement to build SQL environment which will give us local high availability and disaster recovery to second site. We have two sites- Site A & Site B. We are planning to have two nodes at Site A and 2 nodes at Site B. All four nodes will be part of same Windows failover cluster. We will build two SQL Cluster, InstanceA will be clustered between the nodes at Site A Server and InstanceB will be clustered between the nodes at Site B, we will enable Always On Between the InstanceA and InstanceB and will be primary owner where data will be written on InstanceA and will be replicated to InstaceB. URL....Now we want we will have instanceC on the Site B and data will be writen from the application available on Site B, will be replicated to the instance on the Site A as replica.

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Recovery :: Migrating Existing Availability Group To New Datacenter Availability Group

Nov 20, 2015

need to migrate a cluster with an AG dtabases to new data center cluster with AG.

I was wondering if is possible to do mirroring on top of the AG configuration? or what other options could be to migrate a cluster that has 3 nodes and setup the ag databases to a new datacenter.

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Recovery :: Add Database Into Availability Group?

Nov 9, 2015

SQL 2012 EnterprisePrimary server and 2 x secondary serversWindows 2012 R2

I have removed one of the database from availability group by mistake. Luckily I am still operational with primary server.  database on secondary servers are on restoring mode.

I have done full backup of database from primary (prod) server and restored on secondary servers with no recovery when I add database into availability group I get an error message log missing what is the best method to achieve and add database again into availability group.

Note I cannot restore database on primary server as it is on production

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Recovery :: Move Database Files That Are In Availability Group?

Sep 17, 2015

I need to move files for a lot of databases that are all part of an AG. I've used the method at the bottom of this link with success on a small test DB.

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Recovery :: Set Up AlwaysOn Availability Groups?

Sep 16, 2015

Can we set up always on availability groups in  server 2012 standard edition.

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Recovery :: How To Test AlwaysOn Availability After Configuring Them

Jul 3, 2015

How to test always on availablity after configuring them.I have configured always on group with 1 active and 1 passive with readonly.I want to test from application.what are cases which we can have for testing.

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Recovery :: AlwaysOn Availability And TRUSTWORTHY Property

Sep 18, 2015

We have a SQLServer 2012 Always-On Availability (AAG) Primary and Secondary Node installation/environments. On the Primary node, we have some databases that have the TRUSTWORTHY option enabled (Set to ON). But when the databases are synched/added to the AAG the databases loose the TRUSTWORTHY property and are reset to OFF on the Secondary Node.Because of this,When the instance fails over to the Secondary Node the applications that were working don’t work anymore.

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Recovery :: AlwaysOn Availability Groups - Download Hotfixes

Oct 19, 2015

I'm doing a certification process using AlwaysOn, and was using the link below, and on the lower 90 hotfix, and instead of downloading one by one, and then upgrade one by one updates, is there any way to make it more faster or practical, or unfortunately have to do this one by one, so the download as the update? This rollup contains the latest version of the Windows system files that are updated after the release of SP1. URL...

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Recovery :: AlwaysOn Availability Groups Server Logins Fails When Switching Between Nodes

Jul 9, 2015

I am setting up a 3 node cluster as part of an availability group.Initially I tested failover between nodes using SQL Management Studio and everything failed over successfully when I stopped a node, and I was still able to write queries. I started to test with an application which connects using an SQL user and whenever I would switch nodes, I would get login failed. I believe the cause of this issue is because the server logins SID's which are tied to the database are different than the server logins on the other nodes which resulted in login failed.how can I ensure that the server logins SID's are the same between nodes? Is there a way of copying this over or how is this supposed to be done? I read a little about contained databases where I could just set the login on the database itself vs. creating a server login but I would rather not go down that route. 

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Recovery :: Always On Availability Listener With Multiple IP Addresses For SharePoint 2013

Apr 14, 2014

I think theres something I'm missing about AG listeners. My test config is 1 SharePoint WFE & 2 SQL servers configured in an AAG.WFE, SQL1 & SQL2 servers are all on the same subnet.On the WFE, I configured an alias called SP15 to be used for the SQL  servers. If I failover from SQL1 to SQL2 I just need to change where the alias is pointing on the WFE. So why do I need a listener? This works fine, albeit manually.I have read on some posts that an automatic failover process is possible. How can I add a 2nd IP address to the listener when both SQL servers are on the same subnet? The GUI doesn't seem to allow this.

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AlwaysOn - Use Availability Group Listener Or Just Point To Cluster Name

May 6, 2014

I have MasterDataServices installed on a server and the database is in an AlwaysOn Availability Group.The MDM front end currently is set up incorrectly and is referencing NodeA (primary node) for its database.I want to fix this but im unsure if i should:

-point the MDM front end to the cluster name, so it wont matter what server the databsae is on?
-create an Availability Group Listner, which would also decoupple the database referenced from a particular server.

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SQL 2012 :: AlwaysOn High Availability Group Showing All Databases

Apr 28, 2014

I came across an issue while migrating from SQL 2005 to SQL 2012 and using AlwaysOn Group. For some strange reason, when ever i connect to the Listener name for each AlwaysOn group, it list all the databases which is on the SQL instance, so i would be able to see databases that is not part of that Availability Group. I am not using default port, so have to put the port after the Name to connect and both Instance and Listener are using different port.
Testing the fail over works fine too, when i perform a manual failover, i can connect to any of the databases in the group from my application with no problem.

Considering that the Listener Port is different to the port which the instance is using?

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SQL 2012 :: AlwaysOn Availability Group Listener DNS Resolving To DR Node

Jan 19, 2015

We are rolling out the use of Availability Group listeners to our SQL Server 2012 Environment which has a 2 node multi-subnet cluster. The Primary is R/W and the Secondary is a non-readable node that would be manually failed over to in a DR scenario

I have set up the AGL and asked the sysadmins to create a DNS record in both subnets with fixed IP's.

The issue I have having is that when I ask the app developers to connect to the databases using the AGL it is totally random whether the AGL resolves to the Primary or DR node - as a result that are having problems getting their apps to connect.

I was thinking of asking the sys admins to remove the DNS record in the DR subnet and then add it back in should we need to fail over - but I was thinking there must be a better way.

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SQL Server Admin 2014 :: AlwaysOn Availability Group Configuration

Jun 17, 2015

What I asked for: Three Windows Server 2012 R2 machines with independent storage running a SQL Server 2014 AlwaysOn Availability Group. DB1 would be the primary, DB2 would be a synchronous replica, and DB3 would be a remote asynchronous replica.

What I was given: a two-node Windows Server 2012 R2 WSFC to run SQL Server 2014 Enterprise with shared storage and a third (remote) Windows Server 2012 R2 machine with independent storage, also with SQL Server 2014 Enterprise, to host an AlwaysOn Availability Groups asynchronous replica.

DB1 and DB2 (as Cluster1) share an E: drive. The remote DB3 has its own E: drive. Initially, DB3’s E: drive was claimed as a cluster resource and I couldn’t even see it. I’ve had several ugly days trying to make this work and have temporarily given up, installing DB3 as a standalone SQL Server that is no longer part of the WSFC and pointing everything towards that (it was originally a third node in the WSFC).

Is it possible to create an AlwaysOn Availability Group with nested clusters (i.e. create the AOAG with Cluster1 and DB3 and somehow ignore the individual nodes that comprise Cluster1)?

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Kerberos Ticket Encryption Type And AlwaysOn Availability Group Listener

Jul 6, 2015

I ran into a Kerberos authentication issue because of a missing AOAG SPN. Some of the tickets that granted me access to the nodes of the AOAG cluster were using the encryption type that I would expect. However, the MSSQLSvc SPNs were not using what I would expect!

klist

#XX> Client Somebody@somedomain.com
Server: RPCSS/MySQLServer@somedomain.com
KerbTicket Encryption Type: AES-256-CTS-HMAC-SHA1-96

#XX> Client Somebody@somedomain.com
Server: MSSQLSvc/MySQLServer@somedomain.com
KerbTicket Encryption Type: RSADSI RC4-HMAC(NT)

#XX> Client Somebody@somedomain.com
Server: MSSQLSvc/MyAOAGListener@somedomain.com
KerbTicket Encryption Type: RSADSI RC4-HMAC(NT)

I can't seem to figure out what the next step should be, and the infrastructure admins are stumped as well. How to proceed?

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SQL 2012 :: AlwaysOn Availability Group Replica Ends Up With User Account As Owner

Sep 5, 2014

Setting up a test AlwaysOn Availability Group for one database.

However, whenever I restore the database to the replica server and join it, it ends up with my user account as the owner of the database.

Obviously I do not want a user account as the database owner, but since it is read-only I cannot modify it directly. If I were able to fail the AG over to the replica, I could change the owner then, but I cannot due to business requirements. this AG is to essentially serve as a replacement to log shipping.

I tried doing the backups and restores using EXECUTE AS login = 'sa', and yet it still shows up as my user account.

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Recovery :: Create New Availability Group

Nov 2, 2015

i am preparing for always on with multiple instant.is there any consideration with multiple instant ? with each instant shall i create new availability group?

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Recovery :: Availability Group Transaction Log

Sep 12, 2014

We're having an issue with an AG where the the log backup does not appear to truncate the log. symptoms..Run full backupRun transaction log backup DBCC Loginfo shows all VLFs with a status of 2sys.databases.log_reuse_wait_desc says LOG_BACKUPOPENTRANS indicates no open trans.All backups are being run on the primary.

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Recovery :: Adding Users To Availability Group?

Nov 9, 2015

I am in the process of rolling out a pair of SQL 2014 servers. I have setup an Availability Group, Listener and databases. It's my understanding that I will be giving the listener name to our developers so that they can do their work. In testing, I noticed that If I am using Studio Manager and connected to the the AG using the listener name, when I setup a user in security the user is only added to the active primary node. Is there a way to add a user to both servers in one shot instead of having to install on both servers? 

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Recovery :: Availability Group Listener Connection Without Port

May 27, 2015

In our(my company) current design we want to switch from failover clustering to Always On as high availibility solution.

I am currently testing the availiblity Group Listener function and have two questions regarding this.

First of all, is it possible to connect to a a listener by just using its "name" instead of "name,port", it is for our users very inconvenient to start using ports. If this is possible, where can I find information on how to configure this?

Second, is it possible to use the Availiblity Group Listener as loadbalancer or in combination with a loadbalancer to split the users over two or more nodes?*note we don't use azure.

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Recovery :: Which Replica Becomes Primary When Availability Group Fails Over

Jul 16, 2015

I have 3 synchronous AlwaysON replicas: A, B and C. A is primary, B and C are secondary and both are set to Automatic recovery. How can I understand, which of them (B or C) will become primary when A goes offline? Well, Actually my final DB system should support following configuration:

1) Normally - A is primary B and C are sync secondary.
2) if A fails, B automatically becomes primary, C remains Sync secondary.
3) if A goes online, it becomes primary again 
4) C becomes primary only after A and B fail (and there still should be cluster quorum!)

As I understood, first of all i should configure quorum the following way: A-0, B-1, C-1, folder-witness-1.

The problem, again, is: I cannot understand how to configure which replica becomes primary when AG fails over.

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Recovery :: Connecting To Availability Group Listeners In Different Subnet

Sep 23, 2015

I have a web server that is on our DMZ subnet and I have a sql 2014 database server with Always on Availability Groups  that is on our internal domain subnet.The failover cluster is on the internal domain subnet as well.  I am trying to connect a web application, that is working off the .net 2.0 framework, to an SQL Server 2014 database using the Always on Availability Group Listener. 

The connection strings works perfect with the named instance of the sql server but when I try to use the Availability Group listener it timed out.  I did some research online and was led to believe that increasing the connection time would resolve it.  I did that and got a different error pertaining to a successful connection but an error occurred during the login process (Provider: TCP Provider, error: 0 - The specified network name is no longer available.) 

I just want to connect to an Availability Group Listener on the domain subnet.  I have rules in the firewall to allow all services for the IP of the Listener.  I switch back to the named instance of the same server and it works flawlessly. I have also connected to the Listener while running the application on the same subnet as the sql server without an issue. I have tried the IP instead of the Listeners name and still received the same error on the DMZ subnet. I'm running on Windows Server 2012 R2 on all servers.

The Web Server is using IIS 8.5..All Physical Machines except the replicas and webserver are virtual machines.All Static IPs involved.As mentioned all SQL Servers are 2014.

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Recovery :: Availability Group Loses Connection To Secondary Server

Jul 30, 2015

I have a SQL 2014 SP1 set of servers with two asynchronous copies of an availability group.   One of the asynchronous sites is down and SQL can no longer replicate the changes. I need to understand how long SQL Server can continue this way before the secondary replica will no longer be able to catch up. I assume this is really tied to the transaction log on the primary replica but would like it clarified.

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Recovery :: Availability Group Quorum - Majority Of Nodes Down But Cluster Still Up?

Sep 9, 2015

I'm just starting to work with AlwaysOn Availability and WSFC.

I have in my environment (in Azure) a DC, WSFC and to SQL instances, so I have 3 nodes in my Failover Cluster:

WSFC 
SQL1
SQL2

If I simulate failure by shutting down one of the SQL boxes my Availability group seamlessly fails over to the other SQL instance - which is great.

However, I'm starting to look into the workings of the Quorum, my envt has the default settings and when I shutdown both of my SQL servers I expected the Cluster itself to go offline as 2 out of the 3 votes will be negative, but the Cluster is still up - Screenshot below when SQL1 and SQL2 are  shutdown:

Going through the Wizard (but not changing anything) it shows following config:

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Recovery :: AlwaysOn Listener - Force Connection To Secondary For AD Group

Nov 6, 2015

I have a two node HA Always on group using a Listener.  I would like to force a certain AD group to always be forced to the secondry node as they would only ever need to run select statements. If there an easy way to do this without using logon triggers?

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Recovery :: Fail To Create Availability Group Listener With Multiple Subnets

Oct 28, 2015

I am setting up a new pair of SQL 2014 enterprise servers in HA using Availability Groups. One of the servers is located here in our local datacenter (10.0.1.x) and the other SQL server is in our remote datacenter(172.16.1.x). I was able to setup the Windows Failover Custer without much issue. I setup the AG but when I try to setup the listener. I get the following error. I have setup an IP for both networks on the listener. I have confirmed that there is not any DNS records created for AG listener name. But I still get this error.

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