SQL 2012 :: Two Node WSFC On A Multi Subnet

Feb 10, 2015

We are running SQL Server 2012 Enterprise on Windows 2012 R2. We have set up A WSFC with the primary Node in our East Coast Data Center and the Secondary Node in our West Coast Data Center each node is in a dfferent subnet. Since we have high latency between the sites we run in Asynchronous mode with manual failover only. My quesion concerns Quorum, everything I read would indicate we need a third node (odd number) (e.g. a fileshare Witness) with only the file share and the primary node having a vote...What I don't see is any need for a file share if we can only do manual failover.

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SQL 2012 :: WSFC Service Not Started In Second Node

Oct 21, 2015

I have configured Alwayson HA setup as following environment and versions, and working fine to client side by connected with AG Listener.

Two Node WSFC setup. Node1 (Primary), Node 2(Secondary Replica). Normal quorum(Not shared disk)

Server Platform: HyperV
OS: Windows server 2008 R2 64 bit with SP1
RDBMS: MS SQLSERVER 2012 64 bit with SP2

when I am doing testing Failover method between two nodes. automatic failover not happened.

Just shutdown Node1 and try to connect at client side by using AG Listener name but not succeeded, also Cluster name and AG Listener name are not pinging, Second node2 cluster service is not started by automatically due to as below errors. So how will connect client and overcome this issues? Any modification need to be done on both side WSFC and AlwaysOn SQL? for achieving and automatic failover.

Cluster network 'Cluster Network 1' is partitioned. Some attached failover cluster nodes cannot communicate with each other over the network. The failover cluster was not able to determine the location of the failure. Run the Validate a Configuration wizard to check your network configuration. If the condition persists, check for hardware or software errors related to the network adapter. Also check for failures in any other network components to which the node is connected such as hubs, switches, or bridges.

Client side got connected once Node1 get started again also cluster services started.

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SQL Server Admin 2014 :: Making Single Subnet Cluster Multi-subnet

Aug 18, 2015

We have a SQL 2014 AlwaysOn availability group running on two Windows 2012 R2 servers that are in the same subnet. We created a new server in a second subnet, installed SQL, joined the server to the Windows cluster, added a new IP resource for the new cluster, and performed the other remaining steps to add a new AG replica to the SQL instance on this new server. When we try to move the core cluster resources to the new node to test failover, we get an error. Here's the command we've been using:

Move-ClusterGroup "Cluster Group" -Node node3

and it returns the error: The operation failed because either the specified cluster node is not the owner of the group, or the node is not a possible owner of the group...I've checked the ownership of the cluster groups and the cluster resources and it looks like they are set appropriately:

>Get-ClusterGroup | Get-ClusterOwnerNode
Cluster Object Owner Nodes
---------------- ---------------
Available Storage {}
Cluster Group {node1,node2,node3}
SQLAG {node1,node2,node3}

[code]....

We've double-checked that all IP resources are in the right subnets and that the dependencies for the Cluster Name resource and the Listener Name resource are set appropriately. I'm not sure what else to check since the PowerShell commands seem to indicate that node3 is an owner of the appropriate resources. What other things need to be checked or if the ownership being checked isn't the same as what PowerShell is checking?

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SQL 2012 :: AlwaysON Multi Subnet Cluster / AG Listener

May 3, 2013

When I fail an availability group between subnets, I am finding that the DNS entry in DNS is staying. So what happens is the Availablity Group listener has 2 records in DNS, one for each IP. This causes the App to timeout at times, since DNS will return either of the two IP's.

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SQL 2012 :: MSDTC In Multi-node / Multi-instanced Cluster

Aug 17, 2015

More often than not, I typically don't touch DTC on clusters anymore; however on a project where the vendor states that it's required. So a couple things here.

1) Do you really need DTC per instance or one for all?
2) Should DTC be in its own resource group or within the instance's group?
2a) If in it's own resource group, how do you tie an instance to an outside resource group? tmMappingSet right?

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Recovery :: Multi Site AlwaysOn Setup With Different Subnet?

Nov 17, 2015

OS - Windows 2012 R2 Standard Edition.
DB - SQL 2012 Enterprise edition

Total 3 nodes participates for AO setup, 2 Nodes for Local HA and 1 Node for another datacenter for DR. All the 3 Nodes are same domain name and member.

1. Local First 2 Nodes are same subnet XXX.XX.44.XX
2. DR Node another subnet XXX.XX.128.XX

Does it require to add two different IP address while creating cluster name? Not using shared disk SAN storage etc.. I am using Node majority quorum witness setting for failover. 

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SQL Server Admin 2014 :: AlwaysOn Listener On Multi Subnet AG

Feb 16, 2015

I am trying to build out an AlwaysOn AG with 2 nodes each in a different subnet (in AWS if that matters), windows 2012r2 / SQL 2014 RTM

I created a AG Listener with 2 ip address, 1 for each subnet (checked that neither ip address are used). But whenever i failover the AG to the secondary, and try and connect via the listener it fails,

I am trying to connect via SSMS from the primary instance. and just time out, If i roll over to the primary i can connect no issues, I've tried playing with the connection settings, upping the time out to 30 secs, adding the MultiSubnetFailover=true. etc but not getting any joy.

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SQL 2012 :: Log Shipping - Reboot Secondary Node And Then Primary Node

Apr 20, 2015

I have not used log shipping before and find myself in a position where I need to reboot the secondary node and then the primary node and I don't actually need to failover.

Is there anything I need to be aware of. When rebooting the secondary node I assume the transactions will be held in the primary nodes log till the secondary comes back and just carry on once back up?

When rebooting the primary node nothing needs to be done and the log shipping will just start again once it has come back?

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SQL 2012 :: Running 2 Distinct AGs On Each Node Of A Two Node Cluster?

Oct 23, 2014

I'm contemplating running two availability groups on a two node WSFC. The WSFC is setup with a file share witness (i.e. no shared storage). Can I safely run 1 AG on one primary node, and the other AG on the other node (as primary). Each AG would have replicas on the passive node. This would effectively allow both servers to be in use at the same time. In a failover event, I understand that both workloads would transfer to a single server - so the box needs to be sized appropriately.

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SQL 2012 :: 3 Node Cluster Runs With 2 Node Failures?

Jun 11, 2015

We are in the process of building a 3 node SQL Server Cluster (Server 2012/ SQL Server 2012), and we have configured the quorum so that all 3 nodes have a vote (no file share witness as we already have an odd number of nodes).

As I understand it, this should allow the cluster to run as long as 2 of the nodes remain online.

However, the validation report states that 2 node failures would be acceptable and, when we tested this by powering off two of the nodes, the cluster did indeed continue to run on a single node.

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SQL Server Admin 2014 :: Unable To Add Server In Multi Subnet To Cluster

Oct 6, 2015

I am setting up SQL 2014 always on. I was able to set up the replicas between 2 servers in the same subnet.Their IP addresses are say like this:

100.20.200.200
100.20.200.201

When I am trying to introduce another node into the cluster which has IP address like 100.10.101.102, I am getting an error that the server isn't reachable.

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Recovery :: How To Achieve Multi-site Cluster With 2 Node

Apr 27, 2015

We have two locations in US, I am thinking of having 2 node SQL cluster for Lync 2010, I alardy have One DB server running in one location, now we got new site where we are planning to have one more DB for redundancy.

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SQL 2012 :: Disaster Recovery Options For Multi-Database Multi-Instance Environment

Sep 23, 2014

Disaster Recovery Options based on the following criteria.

--Currently running SQL 2012 standard edition
--We have 18000 databases (same schema across databases)- majority of databases are less than 2gb-- across 64 instances approximately
--Recovery needs to happen within 1 hour (Not sure that this is realistic
-- We are building a new data center and building dr from the ground up.

What I have looked into is:

1. Transactional Replication: Too Much Data Not viable
2. AlwaysOn Availability Groups (Need enterprise) Again too many databases and would have to upgrade all instances
3. Log Shipping is a viable option and the only one I can come up with that would work right now. Might be a management nightmare but with this many databases probably all options with be a nightmare.

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SQL 2012 :: Getting Value From XML / Node Out Of Table

May 16, 2014

I have a table which has a field with a data type of Xml. A sample record might contain something like this:

<?xml version="1.0" encoding="utf-16"?>
<order>
<Product Index="14c9643f-63d9-40c5" ProductID="13" Name="............>
<Attribute Name="Paper" OptCatId="1" Value="72" ....../>
<Attribute Name="Ink" OptCatId="2" Value="6" ......../>
<Attribute Name="Bleed" OptCatId="3" Value="15" ......./>
<Attribute Name="Number of Drops" OptCatId="0" Value="1" ...../>

I need to grab the Node/Attribute with the name of "Number of Drops" and get the value of "Value". So in this case, I simply want to get "1". How could I do this?

SELECT "value of Number of Drops"
FROM myTable
WHERE ID = ....

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SQL 2012 :: AlwaysON Setting Up A C Node?

Apr 28, 2014

I have an A & B node set up and running. I now want to add a C NODE.

The catch is the C NODE is in a SQL Cluster Environment.

I am guessing I add the Virtual Name of the C node to the current Always ON Cluster?

I tried adding it...the error message says" the Virtual Node is really the A node and to add the A NODE"?

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SQL 2012 :: Add Node To Server Cluster

Oct 3, 2015

Can I add a new node to an existing sql server 2012 cluster witthout stopping all the current resources?

Currently, there are 2 nodes and 3 sql server instances, which can not be shutdown. Is the process of adding nodes a "online" process?

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SQL Server 2012 :: Read All Values From XML Node?

Nov 21, 2013

I have the following code and trouble reading values of Bank Accounts. If i remove the line it says "xmlns="http://applications.apch1.com/webservice/schema/" then i my query is working. But i cant remove this becasue that is what i will get response from a web service. All the records are stored in the database with this line included.

DECLARE @MyXML XML
SET @MyXML = '<GetEmployeeDetails xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<return xmlns="http://applications.apch1.com/webservice/schema/">
<CustomerID> A8339 </CustomerID>
<BankAccounts>

[Code] .....

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SQL 2012 :: Add Node In A Cluster - Network Configuration?

Sep 8, 2014

I have installed SQL Server 2012 on Node1 successfully and trying add node on Node2 and its failing with below message. I attached the screen shot.

Here we are not doing multi-subnet failover clustering. Why we are getting extra and asking for IP and what IP should we enter there?Add Node option should automatically detect the IP we configured on Node1.

[Error Message] To support SQL Server multi-subnet failover clustering, you must select at least one valid IP address for every subnet in the cluster.

[Details] Microsoft.SqlServer.Configuration.Cluster.ClusterIPAddressPublicValidationException: To support SQL Server multi-subnet failover clustering, you must select at least one valid IP address for every subnet in the cluster.

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SQL 2012 :: Extracting Node From A Column In A Table That Contains XML

Dec 4, 2014

I am trying to extract what I believe is called a Node from a column in a table that contains XML. What's the best way to do this? It is pretty straightforward since I'm not even looking to include a WHERE clause.

What I have so far is:

SELECT CCH.OrderID, CCH.CCXML.query('/cc/auth')
FROM tblCCH AS CCH

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SQL 2012 :: SSISDB On New Primary Node Is Not Usable

Mar 6, 2015

During the installation of the SSISDB in SQL 2012 AG, the password used to encrypt the database was not preserved. Now when the server is failed over, the SSISDB on the new primary node is not use-able.Document the password and decrypt after using the master key after failover.

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SQL 2012 :: Cluster With Multiple Instances On The Same Node?

Jul 14, 2015

What I have- Sql server 2012 (Standard Ed) Cluster on Windows 2012 R2 with both instances running on the same node- just to save on License, i.e. technically it’s Act/Pas cluster.

What I am looking for- how to configure cluster (e.g. via quorum, etc) to force both instances failed together? Means if for some reason 1-st instance will fail to node 2 another instance should follow (otherwise it will be Act/Act cluster and 2-nd license is required).

If there is no standard way (cluster configuration I mean) to do it I should create some custom process to monitor where each instance is running.

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SQL 2012 :: Using VMotion To Migrate AlwaysOn Node

Nov 4, 2015

Our network guys have to carry out an IBM Flex Chassis move at our data centre, which will affect the primary replica of one of our SQL 2012 AlwaysOn Availability Group nodes (the secondary replica won't be affected).

They have suggested using vMotion to migrate the primary replica to another virtual host, which will result in a very brief period of network outage for the node.

I've done some reading and have seen a few potential issues regarding Stun During Page Send (SDPS) and increasing thresholds within WSFC. Unfortunately, we're not able to test this prior to the migration, so I have a few questions...

Would it be necessary to failover to the secondary replica node before performing the vMotion (and back again afterwards)?

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Recovery :: Does AlwaysOn Use Network Settings Of WSFC

Apr 28, 2015

I know that AlwaysOn creates a WSFC role in order to provide failover of the Availability Group Listener. But does it also "honor" the WSFC network setttings? What I'd like to do is isolate the client-side traffic from the database replication traffic. But it's not clear to me that AlwaysOn even uses that part of WSFC.

a) Can you totally isolate the traffic as I've described?

b) Does AlwaysON actually use WSFC network settings? If yes, then I guess I cannot do what I want, since my choices are Cluster & Client, or Cluster Only.

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SQL 2012 :: Symmetrically Encrypt A Single Node In XML Field

Apr 30, 2014

How do I reliably symmetrically encrypt a single node in an XML field in my SQL Server 2012 database? I know I cannot use SQL Server encryption to encrypt an XML field and I have been getting unpredictable results with a home grown solution.

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SQL 2012 :: AlwaysOn Secondary Node Slower Than Primary

Oct 3, 2014

I have a SP that runs on the primary in 18 min and 45 min on the secondary( poorly written cursor,trying to fix it).Both machines are Exactly the same.I ran them in the middle of the night when no one was on the Sec. Node as we use it for reporting.

PLE: 7,000+
AVG Disk sec/write below .01
AVG Disk sec/read below .01
CPU below 5%
both machines set a max dop 4

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SQL 2012 :: Two Node Active / Passive Cluster Installation

May 3, 2015

Few questions on a SQL Server 2012 two node active/passive cluster installation on Win2012.

1. What are the permissions required for the user used to install SQL Server 2012 cluster. Does it need to have any rights on DC or anywhere else apart from the local nodes ?

2. Can we give ANY meaningful name to "SQL Server Network Name" during installation ? Do we need to manually configure it anywhere else before or after the installation ?

3. On what scenarios we need to check/uncheck DHCP check box ?

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SQL Server 2012 :: How To Copy Nested Sub-tree From One Node To Another

May 12, 2015

I have a tree and I need to copy a nested sub-tree (an element with its children, which in turn may have their owns) from one place to another.

The system should allow to handle up to 8 levels. I do know how to move, but cannot figure out how to copy.

Below is a working example With Create Table, Select and Cut / Paste (implemented via Update).

I would like to know how to copy a nested tree with reference id 4451 from Parent_Id 1 to Parent_Id = 2

--***** Table Definition With Insert Into to provide some basic data ****

IF (OBJECT_ID ('myRefTable', 'U') IS NOT NULL)
DROP TABLE myRefTable;
GO
CREATE TABLE myRefTable
(
Reference_Id INT DEFAULT 0 NOT NULL CONSTRAINT myRefTable_PK PRIMARY KEY,

[Code] ....

How to Copy nested sub-tree 4451 with all its children to Parent_Id 2, without deleting from Parent_Id = 1 ?

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SQL 2012 :: Node Cluster Active / Passive With 10 Instances

Jun 5, 2015

It is an active passive cluster which doesn’t allow any testing. All instances have to be failed over together, we aren’t allowed to just failover 1 even for testing purposes. Node 1 is the active node and we can failover to node 2 for 30 days free of charge but services have to then be failed back.

We need to run the cluster with node 1 as the primary node always and 2 just use for failover testing or for less than 30 day periods whilst performing cluster patch upgrades etc.

Now l am sure we could fail over 1 instances at a time for testing and diagnosing issues plus if add a new instance that's not production to get to the platform level as the rest of the instances this would avoid taking production down in the fail over process.

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SQL 2012 :: Command To Uninstall Node With Skip Validation?

Jun 25, 2015

what is the command to uninstall sql node with skip validation in sql 2012 ?

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SQL 2012 :: Specify Server Installation Location When Adding Second Node To Cluster

Jun 6, 2014

When adding a node to a SQL Server 2012 Standard edition cluster, how I do I identify the location for SQL server shared components and the rest of the SQL Server installation binaries?

When adding a node to a SQL Server 2012 Standard edition cluster all the binaries went to the C: drive default location. We put those files on a different drive when installing the first node. What needs to be done so both nodes have the binaries on the same drives and folders?

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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 2012 :: Primary Server Went Down And Unable To Failover Services To Second Node

Mar 27, 2015

y'day we faced situation one of the primary server went down and unable to failover the services to second node . by checking in logs we found

Cluster network 'Public' is partitioned. Some attached failover cluster nodes cannot communicate with each other over the network. The failover cluster was not able to determine the location of the failure. Run the Validate a Configuration wizard to check your network configuration. If the condition persists, check for hardware or software errors related to the network adapter. Also check for failures in any other network components to which the node is connected such as hubs, switches, or bridges.

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SQL 2012 :: Backup Database - Two Node Cluster To Local Disk?

May 12, 2015

Can we backup a DB from SQL Server 2012 (Ent. edition) two node cluster to a local disk ?. Is it possible ?

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