A failover cluster is a group of servers that work together to maintain high availability of applications and services

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Failover Cluster DFS issue

I have a Windows 2008 R2 Failover Cluster. I have a Windows 2012 R2 Failover Cluster. I have been able to use the Copy Cluster Role to migrate 70 VM’s and the DHCP service from the Windows 2008R2 ...
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69 views

Multiple Nics, multiple default gateways on a Server 2012R2 cluster

This is really just a question about best practices as there seems to be a little confusion. The physical hosts of our Hyper-V cluster have 4 Nic interfaces relating to the 4 subnets. Now, when ...
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2answers
33 views

Use a shared vhdx as shared drive

I have a Windows Cluster made up of two nodes connected via SAS to a storage array. I have two virtual machines configured with their hard disks (vhdx) on the shared storage. They are up and running ...
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16 views

What exactly is the “client” in Failover Cluster Manager in Hyper-V environment?

Recently, in my Hyper-V environment, we broke out the ip addresses used on the hosts into separate subnets, some of which are non-routable. Now I am seeing a "target name resolution" error in Server ...
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3answers
57 views

Why do I get BPA error “Servers in Failover Clusters Must Have a Hyper-V Replica Broker Configured”?

I configured a Hyper-V Failover Cluster with two nodes and one domain controller. Cluster-Aware Updating is enabled. The BPA shows the following error: To Participate in Replication, Servers in ...
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87 views

Could not get domain controller name from machine

While validating a Failover Cluster over two member servers I get the following two errors: Connectivity to a writable domain controller from node SQL2.domain.com could not be determined because of ...
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18 views

New SAN space presented cause issues with Win 2008r2 cluster (wont reboot and disk manger wont load)

I have an issue where I have a 2 node Win 2008 r2 cluster with SAN attached storage. Existing storage is on an older array but we are being migrated to a newer one. When the storage team "Zones" new ...
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1answer
19 views

Best Way to Restart 2 Node SQL Cluster To Perform Windows Updates?

So I have a 2 node MS SQL Server cluster, using AlwaysOn, on Windows 2012 r2. SQL1 is the primary. SQL2 is the secondary. I want to restart both servers today to perform windows updates which will ...
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81 views

Clustered File Server on Windows 2012 With Local Storage

So I have a SQL Always-On group that requires a file share witness. I want that file share witness to be redundant and since I have no other need for a file server on this network, I'd like to do it ...
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27 views

Creating a failover cluster of 2 VMs

I'm trying to create a cluster of 2 VMs on hyper v. The 2 VMs and the host server all running on win 2008 r2. When attempting to test validation for the failover cluster I'm getting an error of "disk ...
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25 views

Windows failover cluster with two quorum disk witnesses?

To avoid a single point of failure on the backend SAN system, can I place one quorum witness disk on each site and have the cluster use both?
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2answers
26 views

Fault Tolerance with Windows Server Failover Clusters?

I've attempted to read numerous articles online about this and believe I'm "seeing the light", but I'd like to have it confirmed. Do Windows Server Failover Clusters offer a fault-tolerant feature ...
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29 views

Can Failover Clustering in WIndows be set-up on Google Compute?

My understanding is that a Windows Failover Cluster node must be multihomed and that GCE Instances cannot be multihomed. Is this the case, please?
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2answers
41 views

Removed cluster disk that wouldn't come online, now it wants to be formatted. Can I recover the data?

I inherited a failover cluster hosting several VMs and some storage volumes. It uses a fibre-channel SAN for storage. I updated firmware on the SAN controllers recently and when it came back up one of ...
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1answer
48 views

How to set foreign-domain alias for a Failover Cluster client access point?

I have a migration scenario with a Failover Cluster file service where I would like to add the alias for the old file server name pointing to the cluster service client access point name. Using ...
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1answer
46 views

Adding a share in a Failover Cluster with quotas enabled takes 10 minutes

I have File Service cluster where one of the file server resources is hosting ~50,000 user home directories. The home directories do have a quota template assigned through the FSRM. When trying to ...
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1answer
55 views

Clustered SAN volumes not showing up in Windows Explorer

Occasionally my drives will not show in Windows Explorer even though they appear online (Reserved) and mapped to a drive letter in Disk Management. I'm not sure what makes them come back but right now ...
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Questions about a Scale-Out File server cluster setup [closed]

for a learning project, i've got the following hardware configuration: 6x HP DL360G7 1x HP P2000G3 SAS + 1x HP D2700 SAS 8x 136GB 10k 3Gbps 12x 136GB 15k 3Gbps 6x 136GB 15k 6Gbps 4x 900GB 10k ...
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50 views

Windows Failover Cluster Generic Script

I have two windows server 2012 R2 machines set-up in a cluster. Everything seems fine with regular services but when I try to create a generic script resource I encounter the following vague error: ...
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1answer
35 views

Failing over to mirror instance when not using a witness server

I have a set up where I have two SQL servers set up for failover mirroring to two other SQL servers. I am not using a witness server. I had previously used a witness server and that of course would ...
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1answer
28 views

What is Best Practice for migrating SQL 2012 system databases to failover cluster?

What is the best practice for copying system databases when migrating from SQL Server 2012 (no SP) to 2012 SP2 in a Failover Cluster? Just backup and restore? Or, script out and script in?
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28 views

Hyper-V - Upgrading a 3 node 2008R2 cluster to 2012R2

I'm just after a some advice/tips on upgrading our 3 node Hyper-V cluster from 2008R2 to 2012R2. I have 3 x Dell r710s running Server 2008R2DC. These are clustered and running about 15 VMs (5 on each ...
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62 views

Failover Forward IP Packets with port from one server to another

Basically none of the solutions online have worked so far. Here's my setup: To simplify things, we're gonna assume it's a VNC server, My setup is a fully integrated OwnCloud and Ulteo. I've ...
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258 views

2012 R2 Failover Cluster & Microsoft CSV Shadow Copy Provider

I am hoping that someone can help me out here. I have a 2 node 2012 R2 Hyper-V Failover Cluster, and I am trying to get our Veeam backups to work on this Cluster. On node 1 the backups work fine ...
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64 views

Failover Cluster 2008 R2 - unable to destroy

I had a single node test failover cluster. When destroying the cluster, the destroy command hung and stopped. The cluster still shows in the domain cluster list (cluster /list) and trying to remove it ...
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445 views

Windows Failover Cluster - Trying to create MSDTC Role - AD Permissions issues?

I normally hang out in the DBA Exchange but I'm coming to ServerFault this time with a Clustering issue. I am trying to create a MSDTC role for my Windows 2012 R2 Cluster. The IP address and disk ...
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2answers
85 views

SAN: How to determine amount of LUN and CSV

We have inherited Hyper-V environment (2008 R2) with SAN storage (HP4500 hardware). Two hosts and two SAN's for redundancy. Whilst I understand virtual machines well, I guess, my knowledge of storage ...
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1answer
57 views

Server 2012 Cluster - Second Node Can't Ping Items

I've got a server 2012 SQL Cluster and all of the processes failover and run properly. The only odd behavior is that when I fail over to the secondary node, there are certain items on one NIC that ...
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1answer
193 views

Converting a Windows Server 2012 R2 Scale-Out File Server Back To Regular File Server. Is It Possible?

Well... I messed up. I didn't do enough research and just checked out the headlines then jump head first into the new Scale-Out File Server that Windows Server 2012 R2 brings to the table. At first ...
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2answers
497 views

VMXNET3 receive buffer sizing and memory usage

Background We had an incident where a Windows failover cluster suffered an interruption. A post-mortem showed that the node was "removed" as described in this article. We've only recently migrated ...
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29 views

Windows Failover Cluster - High Availability

I set up a Windows Failover Cluster on WS2012. Is there a way to replicate the cluster on another server to have a sort of high availability of the cluster itself? My concern is about the scenario ...
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241 views

pcs status error httpd_monitor_5000 on server 'not running' (7):

Error Message Failed actions: httpd_monitor_5000 on abc-zabserver-b 'not running' (7): call=65, status=complete, last-rc-change='Wed Jul 15 21:44:43 2015', queued=0ms, exec=8ms pcs status ...
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67 views

Windows Cluster An error was encountered while determining shared storage

Our SAN manager has added a new disk for our cluster. this is a new 6TB disk that will be used for backup and will be part of a file share. I have put the disk online, initialized it and assigned the ...
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1answer
44 views

Hyper-V Failover-Cluster: How does the Cluster know the difference between the Management and the Cluster Network?

Reading the Network Recommendations for a Hyper-V Cluster in Windows Server 2012, I am left with some unanswered questions. It's recommended to have a management network and a cluster network. The ...
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1answer
54 views

Hyper-V Server Deployment - adapter configuration

I'm sure this question will have been asked somewhere before. In fact I'm sure I've read about it before too, but I can find any resources to help me along my way. What I'm trying to do is deploy a ...
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3answers
906 views

What hotfixes/updates does a new 2012 R2 Hyper-V server need?

I'm building several new 2012 r2 Hyper-V servers. One thing that I've read over and over again is that there are A LOT of hotfixes that i need to install on top of the regular OS updates Microsoft ...
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34 views

new to Windows Server Failover Clustering

Need to test SQL Server's AlwaysOn Availability Groups feature. Seems I need to do some work on Windows Server to start with ("3-node WSFC cluster with the Node Majority quorum model"). But I've never ...
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1answer
83 views

DRBD with manual failover

Looking at using DRBD or a clustered files system to help with up-time when downtime strikes in a small business environment. We currently use a server box for a file server using Linux and samba, ...
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1answer
1k views

What are the best practices for NIC teaming in Server 2012 R2? Broadcom or Windows software?

I have a Windows 2012 R2 Hyper-V cluster with two Broadcom adapters for my LAN connection. Currently, we have a virtual switch set up with SCVMM, that teams together both NICs using Windows software ...
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310 views

Install optional updates using Cluster-Aware Updating

The question is simple - how can I install updates listed as "optional" in Windows Update using the Cluster-Aware Updating feature in Windows Server Failover Cluster? I installed all the important ...
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4answers
3k views

Two-Node Server 2012 R2 Hyper-V Cluster: Is it possible use local physical disks in the cluster?

Looking at the following Clustered Shared Spaces TechNet article, and it looks like this only applies to hosts sharing a JBOD enclosure by way of external SAS backplane. However, each host in the ...
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108 views

Can you run CAU on an Exchange 2010 DAG cluster?

I've searched for this and I expected it to be a common topic, but I can't find any information on it. Given that the Exchange DAG is built on top of WCF, will CAU properly handle updating a DAG ...
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1answer
93 views

snmp on rhel cluster : from virtual address to a node

I am currently trying to set a server/client configuration, and i'm struggling a little with snmp behaviour. Just to precise, i'm not really into linux administration, nor network administration, so ...
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55 views

MongoDB cluster network Resilience with 2 ethernet only

I wonder if it is possible to configure a network resilience mongodb cluster using only 2 ethernet adapter card on each node. I configured the cluster with 3 nic emulating the third nic using vip ...
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54 views

Run generic Windows Service with affinity for the Primary Replica of an SQL Server AlwaysOn Availability Group

Is it possible to configure a generic Windows service in a Windows Server Failover Cluster such that the service always runs on the same machine as the Primary Replica (read/write) of an SQL Server ...
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215 views

Hyper-V Failover Cluster MAC Address Handeling

Can someone please explain how MAC address assignment works in a hyper-v cluster? I have a couple machines that need to have a static MAC address assigned and want to know how the cluster handles it ...
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397 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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1answer
207 views

Setting up Windows Server Failover Clustering in SoftLayer

I'm trying to create a Windows Server Failover Cluster. I've already create Active Directory successfully. I'm currently at this stage: On the screenshot, the blurred place has subnet/network id, ...
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301 views

2012R2 Cluster - Add host without downtime

Essentially just want to confirm my current thoughts - have a 3-node 2012R2 Cluster. We are replacing two of the hosts. At the point when you add a new host to the cluster and run the validation, the ...
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147 views

Is Hyper-V CSVFS supported on Linux VMs

We have a Hyper-V guest failover cluster with a few Windows VMs that are using Cluster Share Volume (CSV). Is it possible to use the same CSV for Linux VMs? Is CSVFS supported on Linux VMs at all ? ...