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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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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128 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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773 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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80 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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549 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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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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2k 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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1k 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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312 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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694 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 ...
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350 views

Can Windows cluster failover a custom TCP Server application even when Windows itself is working?

I develop a TCP server application that listens to a specific port. One of my users is asking me if my application can run on an active-active Windows 2008 Enterprise cluster. Having only almost no ...
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2k views

RPC Server Unavailable on Hyper-V cluster when moving resources after the host adapter has failed

On a Windows 2008 R2 SP1 cluster running Hyper-V, a lost network connectivity on the primary host interface. The interface was rapidly flapping up and down, and this was later determined to be caused ...
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492 views

Unreachable Hosts in Windows NLB on VirtualBox [closed]

Setup Cluster : Two Windows Server 2008 R2 nodes. Each running as a VM inside of VirtualBox. Each Node has NLB enabled and a cluster configured. The cluster is configured to use IGMP Multicast. ...
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1answer
986 views

How do I configure permissions for a cluster share using Powershell on 2008?

I have a cluster resource of type "file share" but when I try to configure the "security" parameter I get the following error (excerpt): Set-ClusterParameter : Parameter 'security' does not exist on ...
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826 views

How can I configure a cluster share using Powershell?

When I try to configure a cluster share on Windows 2008 R2, I get the following error: PS C:\> get-clusterresource share3 Name State Group ...
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2answers
188 views

Clustering a live 2008 r2 server

I have a W2K8 R2 Datacenter server running Hyper-V with a Equallogic PS4100 SAN. I 5 virtual machines running in production. I now have a second server and would like to set both up for clustering. ...
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1k views

Restarting the Cluster Service on a passive node in Windows Server 2008 R2

I'm experiencing a problem with the CQL on an exchange server which is acting as a passive node in a DAG cluster. To make the counters show the correct values in EMC and PS i've been adviced to ...
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123 views

Building Windows Failover clusters, re-use quorum drives?

I'm building a series of virtual failover clusters, 2 for SQL, and 1 for BizTalk. Being that it is a Proof of concept virtual setup with no real expectations around high availability, is it possible ...
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221 views

How can I re-create Microsoft Cluster Service resource groups on a different cluster?

I use Microsoft Cluster Service on a cluster of Windows Server 2003 machines containing several dozen resource groups. In the process of migrating to newer hardware, I would like move resources to the ...
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406 views

How do I resolve the message “Validating WSFC quorum vote configuration - Action Required.”

I have a 3 node AlwaysOn Availability Group on a 3 node WSFC using node majority. 2 nodes are setup as synchronous with automatic fail-over, the 3rd is setup as asynchronous with manual fail-over. ...
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3k views

Quorum Disk size for Windows 2008R2 failover

I am setting up a two node failover cluster for SQL Server 2008 R2 on Windows Server 2008 R2. Microsoft recommends minimum 512MB size LUN for the quorum disk and don't have a recommendation for the ...
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695 views

Enable MPIO in existing cluster without downtime

I have a 4 node Hyper-V cluster running on Windows 2008 R2. Prior to my tenure, the cluster had only single links to the SAN. I added redundant links but now I need to enable MPIO on all of the nodes. ...
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2k views

Is there a way to fix Cluster-SSH windows positions automatically?

Have you used Cluster-SSH? It's a GUI (frontend) to secure shell (ssh) which function it's to let you write the very same commands to a lot of hosts. If you open a lot of hosts at the same time, ...
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308 views

SQL Server filestream access from another computer using system account

I have a SQL Server 2008 set up to use filestream. SQL Server runs under a domain account with SPN set and delegation enabled. Accessing filestream from another computer using a domain account works. ...
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122 views

W2K8R2 : How to safely take a Windows Service cluster resource offline

I'm looking for a safe way to take a Custom Windows Service offline. My problem is that this custom service sometimes hangs during stop. The problem will be fixed, but in the meantime, killing the ...
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83 views

Service fails to start when failover kicks in

I created a Windows Service which hosts a WCF application looking at/binding to the Clustered MSMQ The Windows service was first installed on both nodes of the cluster. I then created a cluster of ...
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294 views

Windows Clustering newbie

I am trying to setup a simple environment (virtual) to prove that when a Node in a cluster goes down, the other picks up. After much pain I think I may have this however I would love for people here ...
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1answer
133 views

Server 2008R2 cluster for hyper-v - start with a single server?

I'm planning a Hyper-V virtualization system what will include: 2 very nice dual 16 core servers Dell MD3600f fibre channel SAN It will be running about 10 virtual machines. The plan is to setup ...
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2answers
799 views

How to present shared storage for MS Cluster Services running on vSphere 5

I've seen two approaches to handling the presentation of shared storage to Windows Server 2008 R2 cluster VMs on VMWare vSphere. One is the traditional method of carving out a LUN on your SAN and ...
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2answers
983 views

Completely Remove an Exchange Cluster even though it's cluster info is long gone?

With the proviso that I realize I screwed the pooch on this, here's my situation. We used to have an Exchange 2003 two-node cluster. Several years back we migrated to Google Apps. When we did that, ...
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833 views

Cloud Storage as a File Share Witness?

Does anyone know if there is a service out there that can be used as a file share witness for a Windows Server 2008 R2 Failover Cluster File share witness? I have a two-node cluster but no good place ...
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56 views

Windows HPC Server 2008 R2 SP3 upgrade

It's not clear to me from reading the documentation if I must update the clients, or whether I can just update the head node and compute nodes. Does anyone have any experience of this? I don't want ...
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1answer
94 views

What are the exact storage requirements for an AlwaysOn implementation?

We're investigating implementation options for SQL Server AlwaysOn. AlwaysOn is dependant on Windows Clustering, and I have read several articles that state shared storage is no longer a requirement ...
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392 views

NTFS permissions for a user on another computer in case of a disk moving in a cluster?

Is there a way to set NTFS permissions for a user on another computer? I have two nodes in a failover cluster. Both have a specific user account ("charley") local to the node. Charley has files on a ...
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2answers
1k views

Windows Cluster Fails after Power Outage

First, we have a Windows 2008 R2 Two Node cluster running HA Hyper-V and DHCP. We utilize a back-end Dell MD3000i iSCSI SAN for storage. All of the networking is done via redundant switches and MPIO ...
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137 views

Load Balancing & Windows Failover Cluster 2008 r2

I have a windows service that I would like to load balance and failover. I have had a quick play with the failover cluster manager and it seems I can only have one active node with n inactive ...
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422 views

MSCS file share majority: Why does it like a Windows-hosted share, but not a CIFS-based ZFS-hosted share?

I'm looking to change the current file share used for the file share witness in an existing two-node MSCS SQL cluster. Currently, the share is hosted by a remote windows machine, and I want to move ...
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960 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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2answers
2k views

Windows Cluster IP/Hostname doesn't respond to UNC requests, yet ping and RDP work

I have a Windows Server 2003 cluster of 2 nodes in an active-passive configuration. I can ping both nodes, rdp and access their unc shares. I also have an alias, which directs to a cluster IP set ...
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1answer
106 views

Upgrading 32-bit SQL Server cluster to 64-bit

Here is my situation. $WORK has a trio of three clustered database servers (64-bit Server 2003) that are currently running two SQL Server instances. Unfortunately, when the cluster was set up a ...
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136 views

Active Directory Server for Windows Clustering

I understand that Windows clustering requires Active Directory. If I were to setup a Windows Server 2008 R2 cluster, will there be any issues if the Active Directory server is running Windows Server ...
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320 views

How do I configure a DCHP reservation for an IP Resource in a Windows 2008 R2 failover cluster?

Background My company has recently instituted a corporate policy that all servers are to have IP addresses that are issued via DHCP reservations to simplify the management of our IP scopes. We have ...
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1answer
551 views

How to implement Peer to peer database replication between two sites?

I am looking for SQL Server database solution which can replicate data between two sites vice versa (not just one way) I’ve looked into SQL Server failover cluster (MSCS) but then since I have two ...
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851 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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106 views

Building Windows Clusters [closed]

I'm a research student and I want to build a windows cluster at home with my laptops to test my parallel codes. The problem is I'm using Windows 7 Home Premium, not a server edition. I'm using ...
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76 views

what components need for clustering two windows 2008 server?

what are the basic requirement for clustering in windows 2008 server? 1.i mean which exact 2008 server licence 2. how can i connect two server what component i need for that? 3. what is minimum ...
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194 views

Event log entry when moving service or application to another node

I have a windows Server 2008 R2 cluster and I would like to be able to distinguish between a user initiated failover and a failover caused be a resource check failing. I was hoping that the cluster ...
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796 views

Windows Server 2008 R2 Cluster Print Server Failure

I have a Windows Server 2008 R2 failover cluster environmental that is having some issues with the print server application. I recently changed it's preferred node from one to the other, and with this ...