Hyper-V MAC addresses
Hi,I understand that each Hyper-v node in a cluster will have its own dynamic pool of MAC addresses that should be different between them. When a VM is started on a node it gets a MAC from this pool,...
View ArticleClik here to view.
Network Questions on 2012 R2 Hyper-V Cluster
I am going through the setup and configuration of a clustered Windows Server 2012 R2 Hyper-V host. I’ve followed as much documentation as I can find, and the Cluster Validation is passing with flying...
View ArticleWindows 2003 Cluster issue
HI I am running windows 2003 OS which is configured clustering ( 2node ) All the while it was running successfully today after reboot one of the node does not come up, I verified the disk signature,...
View ArticleCreate failover cluster to host Windows 2012 DC, Exchange 2013 and SQL as VMs
One of our clients has running Windows Essential 2012, SQL and exchange 2007 as VM on VMware for 4 years without major issue. However, the physical server is getting old and have some hardware issues...
View ArticleFailover Clustering, setting up AD and adding servers to Hyper V manager
First post over here. I have been playing with Server 2012R2, creating VMs etc. I thought of getting adventurous and tried to create a fail over cluster.1. Do I really need VMM to be able to manage two...
View ArticleVSS on File Server Cluster 2012 R2
We just configured a fail over cluster and added file services. We would like to configure the storage with VSS to allow for easier file restoral by the end users (volume is snapped at the SAN...
View ArticleWindows 2008 R2 Failover Cluster resources, IP , Name and Quroum Disk
I have a cluster with 4 nodes, and detects that at one point the quorum disk was on a server and the other the name and IP of the cluster.this should not be all together? implente several failover...
View ArticleIs it OK to modify a CSV directly now in Windows Server 2012?
I have opened a case with MS Support and went back and forth for about 2 months trying to get them to answer this question and ultimately they said they could not and directed me to post here.Here is...
View ArticleDisk Witness Failover with simulated network failure
Hello everyone, I am running two windows server 2012 R2 machines clustered with a disk witness. The disk witness is a LUN created on our SAN, presented to both machines. SAN is connected through two...
View Article2012 R2 - Clustering a High Availability File Server (File Server for General...
As per the post title.I have a new 2012 R2 cluster on a Dell VRTX (2 Blades and local shared storage)Quorum created plus large CSV for the Hyper-V's etc.I run the wizard to create a High Availability...
View ArticleWindows Server 2012 Hyper-V guest cluster oddity
Hi. If I can start by explaining the Server 2012 Hyper-V clustering set up I've just implemented (not necessarily 100% best-practice):2 x Dell R720 hosts, 8 x NIC ports (1 PCIE, 1 On-Board; 1 x 2-port...
View ArticleDestroying/Re-creating a Failover Cluster - Server 2012
Hi all,Some background:We have a 4-node cluster hosting our Hyper-V environment, and for some or other reason we keep having issues where nodes will just become unresponsive, with the logs indicating...
View ArticleDuplicate iSCSI Session Identifiers on multiple servers
Hello,I'm having an issue setting up a failover cluster in Windows Server 2012 R2 with iSCSI storage and I suspect the cause is having servers with duplicate session identifiers.I am using the inbuilt...
View ArticleCluster Validation Fails on List iSCSI Host Bus Adapters
I have an 8 Node SQL Failover Cluster.This cluster has been in service for quite some time now, suddenly the Cluster Validation is failing...When it gets to the "List iSCSI Host Bus Adapters" (which we...
View ArticleClik here to view.
2012R2 - Validate a Configuration Wizard, Validate Network Communication...
I have two physical Dell R720's with Windows 2012R2 Datacenter and a HyperV VM (SCVMM 2012R2) with Windows 2012R2 Enterprise.I have been trying to get the SCVMM 2012 R2 wizard to build the cluster for...
View ArticleCluster (SQL instance) registering multiple-IP addresses (Datacenter and DR)
Hi everyone, I have an SQL cluster based on Windows Server 2012. Its a Geo Cluster with backend SAN replication to DR. The DR is a different subnet than the HQ nodes. (Two nodes in HQ, 1 node in DR)....
View ArticleSlow Disks After Cluster Creation
Hi, I have a Windows Server 2008R2 SP1 cluster, consisting of two VMWare virtual servers, which is experiencing very slow disk performance (~10mb/s when copying to or from any of the cluster disks). If...
View ArticleVMs Fail Randomly on 2012 Cluster
Our 2-node Server 2012 Hyper-V cluster is having an issue where VMs seem to randomly fail for no apparent reason. We are using Dell R900s with a MD3200i SAN and we have separate networks for iSCSI and...
View Article2012 R2 : Cluster SETUP : Generic Service SETUP :
Dear All,I am facing a very strage issue while creating a cluster in Window Servr 2012 Standard R2. I am getting error (in attached file) which is"The network name 'clustername.domain' is already used...
View ArticleCluster Storage : All SAN drives are not added up into cluster storage.
Hi Team,Everything seems to be working fine except one minor issue which is one of the disk not showing in cluster storage even validation was without any issue, error or warning. Please see the report...
View Article