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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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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21 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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41 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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50 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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3answers
214 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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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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41 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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47 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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74 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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78 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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204 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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83 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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109 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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420 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
592 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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451 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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50 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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308 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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65 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
46 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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126 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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224 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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188 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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546 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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60 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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42 views

SQL DTC Failover Scenario

We had an interesting scenario in our clustered production environment last week. SQL 2008/R2 two boxes clustered on Win 2008/R2 in Active/Passive mode. On the active node A, the clustered MS/DTC ...
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368 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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155 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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563 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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448 views

powershell Test-Cluster cmdlet: Access is denied. HRESULT: 0x80070005

I joined two hyper-v servers to a domain and added shared storage to both of them. From what I read I should be able to run the test-cluster cmdlet at this point for it to check the configuration, but ...
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2answers
137 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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146 views

Windows failover cluster - virtual node with multiple Client Access Names

I recently encountered a customer environment in which they had failover cluster where one of the virtual nodes had more than one 'Client Access Name' (i.e. more than one IP address and DNS name for ...
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453 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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242 views

Network Load Balancing cluster for DFSR hub servers?

I have one DFSR hub server with about 80 connections to 80 remote offices. I want to add another hub server for load balancing and redundancy, but I don't want to split the connections between the ...
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96 views

Windows Cluster - Moving a node to different network

I have a 3 node SQL always on cluster running , is it possible to move a node to different network(subnet) without evicting & creating the node again.
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118 views

Cluster validation: “The servers are not all in the same organizational unit”

I'm setting up a cluster between two Windows 2012 servers (for use with SQL Server), and among the warnings that the cluster validation wizard points out to me is this one in the Active Directory ...
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54 views

Windows 2012 Cluster Validation issue (basic setup)

I have two Windows 2012 servers in different data centers (xdc). In 1DC server A. in 2DC server B. Both are part of the same domain. Both have remote reg service running and permission for local ...
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2answers
279 views

Server 2012: how to plan for storage failover?

The Stuff I have the following components to work with: two rooms two beefy Dell R510s, one in each room two EMC VNXe storage devices, one in each room. The goal Ensure that if one server room ...
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184 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 ...
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105 views

Basics on setting up a hyper-v cluser on a Windows 8 host

I'm a complete newbie to setting up servers and clustering, so baby gloves please :) I am trying to simulate a cluster of 4 nodes on my windows 8 laptop using hyper-v (its a beefy laptop, so don't ...
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589 views

Removing and reinstalling System Center Virtual Machine Manager 2012

I initially setup hyper-v on a single server with a FC SAN. I configured it as a failover cluster with just the one server in it, using cluster shared volumes for the VMs, knowing I'd expand later. ...
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3answers
78 views

Windows cluster for sql 2008 r2

Currently I have an sql server that is experiencing high cpu usage. There are tons of reads and writes happening continuously. The machine is a Dual Xeon E5645 @2.4GHz with 48GB of ram and using SSD ...
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441 views

Windows failover cluster - Delegate permissions to Domain user to move a group to another node

Is it somehow possible to assign permisions to non-admin user to monitor and move cluster group? Is there any workaround for this? I'm interested in Windows server 2008 r2 and 2012. I'm avare there ...
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2answers
940 views

Clustering Hyper-V with Server 2012 - MPIO Version Mismatch

I've done a fair bit of searching around online and am having a lot of trouble finding info regarding how to upgrade the Microsoft DSM for MPIO. I have two nearly identical servers, both with fresh ...
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1k views

Windows server 2012 failover cluster network not working

I had a problem in a network interface of my failover cluster. This cluster is made of 2 nodes and each node has 3 network intefarces, the hearbeat (cross-cable), the lan network and another dedicated ...
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1answer
691 views

Hyper V Live Migration Only Goes One Way (Error 21502)

We've been running into an issue recently with one of our server stacks. Our two 2008 R2 servers are running in a cluster set up to live migrate VMs between eachother in case there is ever a detected ...
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261 views

Advantage of Microsoft Cluster over Microsoft Network Load Balancer

Till recently, I assumed that Microsoft NLB worked at an OS/Machine level rather than an Application Level. i.e. the NLB just monitors heartbeats on the machine to check if machine is alive and then ...
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593 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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2answers
2k views

Hyper-V 2012 Host Cluster - To domain or not domain

I'm planning on implementing a Hyper-V 2012 cluster, in a host cluster configuration. Should the host machines be in a domain? If so, should that DC machine be a part of the cluster, or a seperate ...
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66 views

Can I extend this partition?

This server is running Windows Server 2008. The drive is currently part of a Windows Cluster, so I haven't been able to extend it while the cluster is running. I'm going to take a maintenance outage ...