A computer cluster consists of a set of connected computers that work together, and thus can be viewed and operated as a single system in many respects. A Windows cluster is such a set of computers running a Windows operating system. This feature has been available since NT 4.0.

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Intermitent Hyper-V Cluster Network connectivity loss - Server 2012 R2

I am running a 3 node Windows Server 2012 R2 Datacenter Hyper-V cluster on three DL560s together with a HP P2000 SAN (FC) and HP 1810-24G v2 Switches. I have been experiencing intermittent network ...
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882 views

unable to destroy windows 2008 r2 failover cluster after SAN rebuild

I created a windows 2008 r2 failover cluster for a sql 2008 active/passive cluster. This two node cluster was using a SAN device for a quorum disk resource as well as MSDTC resource. Well....I ...
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45 views

“Message queue service not available” in Windows Failover Cluster

I am debugging on a site where our application runs on a 3-node failover cluster with an MSMQ cluster group for message queueing. We are seeing that the system works on some combinations of nodes, but ...
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22 views

Replacing 1GBe with 10GBe NIC Failover Cluster Host

We have a 3-node Failover Cluster - all currently running 4 Port 1GBe NIC Cards. We intend to upgrade these NICs to 2x 10GBe + 2x 1GBe NIC cards which have the following configuration: Ports 1 -- ...
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1k views

Installing SQL Server 2008 SP2 fails in 2003 cluster setup

When I try to install SP2 (or simply "repair" the SQL Server installation), the dependency check finds the following problem: Rule "Not clustered or the cluster service is up and online." failed. ...
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36 views

HYPER-V Cluster W2012R2 Can't delete VHDX on CSV

I'm working on a Windows 2012 R2 Hyper-v. I've just done an EXPORT of a Virtual Machine to a CSV Volume to import later. But I hanve't performed the import, and when I went to delete the exported ...
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2answers
108 views

2012 R2 Hyper-V and File Server (general purpose) cluster

I am in the process of creating a Hyper-V 2012 R2 Cluster. I have 3 physical hosts (128GB RAM , dual Hex-core and 12 NICs each) and a SAN to play with. The SAN is a Virtual Storage system (Datacore), ...
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35 views

Migrating a Microsoft Print Cluster to a single virtual machine

We have two physical servers being used as a clustered print server. The physical servers are EOL and we want to migrate the print services to a single VM. Does anyone have any suggestions on the ...
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23 views

Windows Server Failover Cluster (WSFC) - Customize Failover Policy

On a Windows Server 2012 Windows Server Failover Cluster (WSFC) supporting a SQL 2012 AlwaysOn Failover Cluster Instance (2-node) setup - I am wondering about the following: Is there a way to trigger ...
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1answer
888 views

Does dynamic quorum with Windows Server 2012 clusters make quorum configuration types irrelevant?

There are several quorum types: Node Majority,Node and Disk Majority,Node and File Share Majority,No Majority: Disk Only I did not modify any quorum settings when setting up a Server 2012 R2 cluster ...
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17 views

Are there any tools/APIs to check consistency of a windows cluster?

Things to be checked: Directory structures (recursive, with any attributes and properties) Configuration (equiv and partial conf, format specific or generic, with regex) Registry (presence of keys, ...
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135 views

IIS7.5 Virtual Directory Wrong Physical Path

I have been fighting this problem for hours, and I can't make IIS (7.5 on 2008r2) do the right thing. Every time I try to go to the photos virtual directory, I get a 404.0 and the physical path listed ...
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44 views

Un-cluster storage added to Windows Failover Cluster Manager

Forgive me if I'm mixing up terminology, I'm a DBA and trying to see if I can un-do my error here. Background: I was adding a 3rd DR site node to a Windows Server Failover Cluster to utilize AlwaysOn ...
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62 views

Changing 'disk ID' of Windows GPT disk via Linux

I have a SAN level snapshot\clone of a Windows cluster shared volume (CSV) whocj i want to mount on the same cluster to retrieve files, as form of backup. As detailed here: Accessing a storage-side ...
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34 views

Does a dead LUN path cause an increase in I/O times on the remaining LUN path(s)?

We use an EMC SAN appliance. There are 2 'paths' from the cluster to the SAN. Today we experienced that one of the LUN paths was 'dead' (as reported in the windows event logs). Presumably the ...
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2answers
239 views

Accessing a storage-side snapshot of a cluster-shared volume

From time to time I am in the situation where I need to get data back from storage-side snapshots of cluster shared volumes. I suppose I just never figured out a way to do it right, so I always needed ...
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1answer
143 views

“Applications and Services” is missing from Failover Cluster Manager

Microsoft instructions advise to use "Services and Applications" but it's missing from the Failover Cluster Manager. For example, the documentation for Test the Failover of a Clustered Service or ...
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39 views

Outgoing connection fails on clustered Windows Server 2008 R2

I have a problem with outgoing connection on clustered Windows Server 2008 R2. I have two servers in the cluster, the problem came in the fact that the servers has stopped working with the domain. In ...
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30 views

EMC AVAMAR Compatibility with SQL Server 2008 R2 in Active/Passive Clustered Mode

We are currently using EMC AVAMAR as part of our backup policy for backing up all our servers. We also have a SQL Server 2008 R2 active/passive setup. Does anyone know if EMC AVAMAR is compatible in ...
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672 views

How to setup FreeNAS as a Windows Cluster storage target?

I have a VMWare Workstation running 4 virtual machines. Windows Server 2012 R2 domain controller. Also WS2012 R2, "WS1", to be a part of a cluster. "WS2", sysprepped from "WS1". FreeNAS (also tried ...
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1answer
40 views

Windows 2012 Clustering and Network adapter

I have a windows cluster (2012). Would like to ask, if I disable the network adapter to simulate a failure in network adapter, my current node should fail over to the other node. However, i didn't see ...
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3answers
536 views

Powershell - Set-ClusteredScheduledTask - Error “Incorrect function.”

I'm experimenting with Powershell to add a ClusteredScheduledTask on a clustered server (Win 2012/R2) Technet sample code gives error: #canned exampled from ...
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26 views

Unable to access MySQL account on Win2008 R2 cluster

I have created a MySQL WFC service on my two-node server, the MySQL server is doing fine until I created an account using the MySQL Workbench of one of the nodes. When I try to connect to the server ...
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88 views

WinServer 2008 R2 MySQL cluster service won't start

So I have a two-node failover cluster in WinServer 2008 R2, I also created a generic service which will manage my MySQL5.5 database (the database root is also in a iSCSI storage). When the cluster ...
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703 views

Windows SQL Server Cluster Failover Without Disruption

Is MS SQL server clustering capable of performing a seamless fail over between nodes? That is, where the clients wouldn't notice anything had changed except perhaps a short delay during the ...
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113 views

Exchange Server/CCR/Primary To Secondry Moved Failed

Operation System : Windows Server 2003 Ent 64bit Exchange Server Version : Exchange Server 2007 SP3 We had TWO Mail Boxes Server (PHYSICAL MACHINE) with CCR, Few Days back one of our Secondary Mail ...
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1answer
191 views

Building Windows server cluster hpc

I'm trying to set up a Windows Server cluster with a head node and 2x compute nodes. So far, i've managed to install : (thanks to this tutorial http://msdn.microsoft.com/en-us/library/jj884142.aspx) ...
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109 views

What happens when Core Cluster Group is failed over to another node? Will it take the whole cluster down? Single point of failure?

http://bit.ly/1lKJFIa "Cluster group" fail-over will cause cluster go offline. Really? Single point of failure? Am I missing something? What happens when Core Cluster resources (Cluster Group) are ...
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1answer
89 views

PowerShell 'get-ClusterQuorum' output is not showing 'QuorumType' column

PowerShell cmdlet get-ClusterQuorum output is not showing QuorumType column. Has anybody seen this before?
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1answer
158 views

Hosting self hosted WebAPI in Windows Failover Cluster

I've got a windows service that is self-hosting the Asp.Net WebAPI. This works great and I can send GET requests successfully. However I am also trying to host this service in a Windows 2012 ...
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1answer
685 views

Turn on redirected access mode for Server 2012R2 Cluster Shared Volume

Server 2008R2 had an option in the Failover Cluster Manager GUI to turn on redirected access mode. This option seems to be gone in Server 2012R2. Is there still a way (likely a powershell command) ...
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151 views

Cannot access Cluster Shares via Cluster Name

I got a serious problem here (thinking like so), the problem is I have a Windows 2012 R2 Cluster and I have the Disks shared to cluster nodes via Share the VHD option that is available in 2012 R2 ...
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349 views

How can I speed up automatic failover of a Hyper-V 2012 cluster?

When I first setup a 2-node Hyper-V 2012 cluster, the failover was pretty much instant. I had a Sql Server 2012 (on Win2012) VM with 8GB RAM allocated to it. I could bounce the node it was living on, ...
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120 views

Must applications running on a clustered Windows 2003 server be installed manually on all nodes?

We have many small applications running on a server running Windows Server 2003, such as Windows/NT Services, scheduled tasks, etc. Recently, the server was changed to a clustered server with two ...
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1answer
857 views

SQL Server Virtual Network Name Change Error

I am in the process of configuring a two-node failover cluster for a migration project. We are transitioning a stand-alone SQL Server to a cluster. Environment: 2x nodes with Windows Server 2012 R2 ...
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1answer
1k views

How can I manage a Windows Server 2012 R2 Failover Cluster from a Windows 7 client?

The Remote Server Administration Tools for Windows 7 seem to only support managing Windows Server 2008 and 2008 R2 servers. Is there a tool that can be installed on a Windows 7 client to manage a ...
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745 views

DFSR Crashing a Windows 2012 R2 File Cluster and causing temporary SMB Share disconnection

I have a Two Windows 2012 R2 running in as a Windows file cluster. The file cluster works prefect with almost instantaneous fail-over between nodes of the iSCSI Drives and SMB Shares. I also have ...
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1answer
627 views

file share witness the given key was not present in the dictionary

Setup so far: Two physical servers running Windows Server 2012 standard: INF-HV1 and INF-HV2 Each physical server has a guest Windows Server 2012: INF-N1 under INF-HV1 and INF-N2 under INF-HV2. ...
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98 views

Getting the DB2 Resource online in Failover Cluster

I'm using DB2 10.1 Enterprise Server Edition on Windows Server 2012 R2 After adding the DB2 resource to the cluster using the db2wolfi command, I go to the resources tab which is in the cluster ...
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458 views

Cannot ping Windows Cluster Nodes with Cluster IP on same subnet

I am facing a strange problem here, I have a 2 Node cluster, Node A and Node B. I cannot ping Nodes one another in MSCS Cluster with the Cluster IP even if they are on same subnet. I can ping one ...
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1answer
86 views

What is a cluster IP? [closed]

I am in process or configuring remote web host service and I have option of configuring should I use cluster IP. Could some please explain what a cluster IP is and what are the benefits of using ...
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1answer
65 views

Scalability in a High Availability Environment - SQL Failover Cluster 2012

I have created an environment where 1 SAN is connected with 2 Nodes (part of SQL Server 2012 Failover Cluster) of SQL Server. Windows Server 2008 R2 is used, and single DB is stored in SAN. We have ...
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155 views

How to monitor MSMQ perfomance counters for different roles in windows cluster

By default it is not possible to view perf counters for clusterd instance of MSMQ in windows cluster. The solution is to create a registry key NetNameForPerfCounters and assign role name to it. This ...
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347 views

SQL Server 2012 Cluster BSOD

I'm trying to set up a SQL Server 2012 SP1 "AlwaysOn Failover Cluster Instance" on top of a Windows Server 2012 R2 cluster (cl01) consisting of 2x 2012 R2 nodes (sql1 and sql2). Hosted on VMWare ESXi ...
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2answers
721 views

Why am I getting warnings about missing DLLs when adding a node to a WSFC?

We're getting the following two errors when adding a node to our WSFC. The node was added successfully, but the 'SQL Server Availability Group' resource type could not be installed on it. Unable to ...
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894 views

Failed to add VM to Hyper-V cluster. How to fix?

Background/Setup I've got a running Hyper-V 2012 cluster with 2 nodes. It's already got a VM-role in the cluster managing a VM; failover works and all that nice stuff. There's another, standalone ...
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83 views

Is a SSI-style cluster possible with Windows Server 2012?

I use an application that does CPU intensive multithreaded optimization which is currently run on a hyper-threaded Quad Core machine that it just pegs at 95-100% utilization across all cores for ...
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1answer
572 views

Create Cluster Windows Server 2012 R2

I have two virtual machines (Node1, Node2). Node1 set DC, Node2 connecting to domain.enter image description here. I'm trying to create a cluster, on Tab "Select Servers" add the Nodes. An error ...
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1answer
572 views

Is there some kind of load balancing happening in a Hyper v fail over cluster?

I am still reading up on Hyper V clustering and there is something fundamental I am not understanding. Windows Fail-over Clustering is supposed to be for high availability only- not load balancing. ...
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1answer
241 views

SQL AlwaysOn auto fail over due to disk

All, I'm in the process of evaluating SQL AlwaysOn, and everything is failing over as expected, except in one circumstance, when the disk goes belly up. In this case, SQL does nothing, other than ...