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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738 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 ...
5
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2answers
1k views

How can I make a Windows service which is not cluster-aware highly available?

I am using Microsoft Dynamics NAV 2009's Role-Tailored Client (RTC), which utilizes a 3-tier architecture. The middle tier, which Microsoft calls the service tier, is a non-cluster-aware application ...
5
votes
1answer
798 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 ...
4
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0answers
472 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. ...
3
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1answer
132 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 ...
3
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1answer
699 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 ...
3
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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 ...
3
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1answer
1k views

I need advice about iscsi + zfs(or ntfs) + windows 2008 clustering

I want to setup a storage farm with iSCSI. I have 2 cluster node machine, 1 iscsi target machine that has 8TB installed as RAID 10. The capacity is now 8TB, but I'll upgrade the capacity in future. ...
3
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4answers
664 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 ...
3
votes
1answer
2k views

Windows Server 2008 Cluster Errors

We have a couple dozen Win2008 and 2008R2 Enterprise clusters that are used for SQL Server 2008 and 2008 R2 Enterprise/Datacenter. In the past we have had many issues with random failovers and ...
3
votes
1answer
741 views

Graceful Tomcat shutdown when Windows clustered service?

We're currently in a situation where a Tomcat service is being brought offline by a batch script each night (or at the presence of a war archive, at least) in a Windows clustered environment. The ...
2
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4answers
451 views

SQL server failover clustering

How many failover clustered nodes can you have?, and if you add more and more nodes, is it going to slow down?
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1answer
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, ...
2
votes
2answers
914 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, ...
2
votes
2answers
577 views

Network Share on File Server Cluster being Interrupted

When I perform heavy disk operations, like deleting 10k files at a time, the network share becomes unresponsive and won't serve out files for a short time. Here's my configuration. I have a failover ...
2
votes
1answer
141 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 ...
2
votes
1answer
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 ...
2
votes
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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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 ...
2
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1answer
306 views

Windows Server 2008 R2 cluster configuration with odd number of nodes

My shop is putting together a three-node cluster for use as a Hyper-V host for our customer. Previous installations we did for this customer only had two nodes per cluster, so we did Node and Disk ...
2
votes
4answers
3k views

Windows Failover Cluster for MSMQ without SAN?

Is it possible to create a 3 node Windows Server 2008 R2 failover cluster without a SAN? Our goal is to create a clustered MSMQ without any single points of failure. Ideally, the stored messages ...
2
votes
1answer
53 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 ...
2
votes
1answer
443 views

Intermittent unavailability of an instance in a failover cluster while a standby node is offline in a SQL Server 2008 failover cluster

I've got a small failover cluster that I run for the websites my company has. During a RAM upgrade of the standby server, our websites started to show errors about not being able to access the ...
2
votes
2answers
682 views

Routing to a Terminal Services Cluster

I am trying to connect to a Load Balanced Windows 2008 R2 cluster using Remote Desktop Services. I have no trouble connecting to the the Servers' IP addresses (.253.16 and .253.17) or the Cluster ...
2
votes
1answer
106 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) ...
2
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2answers
1k 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 ...
2
votes
1answer
904 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 ...
2
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0answers
213 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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3answers
79 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 ...
1
vote
1answer
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 ...
1
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3answers
339 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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3answers
795 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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2answers
687 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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vote
1answer
250 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, ...
1
vote
1answer
287 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 ...
1
vote
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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3answers
860 views

Receiving a notification on a Cluster Group Failover

I have several Windows Cluster set up and I have the need of keeping track of failovers. I'd need to receive a notification of sort whenever a group fails over. I've seen some examples around, but I ...
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2answers
1k views

Fusion-IO ioDrives in SQL Server cluster

Has anyone successfully set up a Fusion-io ioDrive (or similar product) in a Windows cluster for SQL Server? (I would be interested in either Windows Server 2003 or 2008 and SQL Server 2005 or 2008). ...
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vote
2answers
949 views

Will restarting the “Cluster Service” on the active cluster node cause any outages?

I have a Windows Server 2003 Enterprise active/passive cluster running SQL Server 2005. The "Cluster Service" service won't start on my passive node, and I'm pretty sure it's what's described in this ...
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1answer
13 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 ...
1
vote
1answer
687 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 ...
1
vote
2answers
287 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 ...
1
vote
2answers
295 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 ...
1
vote
1answer
650 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. ...
1
vote
1answer
762 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 ...
1
vote
1answer
54 views

Moving a single Windows 2008 box to a clustered implementation?

I have a system that currently runs on a single box, Windows 2008 Enterprise. This is just used as a web server. What is involved in creating a cluster? Basically doing this for availability ...
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2answers
772 views

Two clustered SQL instances on one cluster - same port 1433?

Can two clustered SQL instances on a 2003 windows cluster use the same 1433 tcp port setting reliably? It seems to be up and working right now.
1
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1answer
55 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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0answers
13 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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0answers
569 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 ...