Windows 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 ArticleFailover cluster WMI Provider error 6237.
The only thing I can find is this link which gives a link to a hotfix.When I try to apply the hotfix, it says it is not applicable to my...
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 ArticleHost Agent Service critical - Paging file is too small for this operation to...
Hi all,at the moment I have the problem that some of my hosts get in the errorstate critical in VMM 2012 SP1. The error details in VMM are:Error (2912)An internal error has occurred trying to contact...
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 ArticleServer 2012 R2 failover cluster
Hi Guys,I created a 2 node cluster using server 2012 R2 ..I have VMM 2012 R2 running on both nodes with SQL 2012 SP1VMM is configured for High availability and SQL always-on feature is also enabled.Now...
View Articledisk failover works only in one direction winserver 2012R2
I have been banging my head against the wall trying to figure this out...I have a cluster with WS2012R2 The cluster is on 2 HP DL360 G7 all latest rom drivers etc..Connection to the disks is via emulex...
View ArticleWindows 2008 R2 cluster drive letter changes when failing over
We have a 3 node windows 2008 R2 cluster running SQL 2008, when we failed it over to the new third node one of the drive letter of a disk changed. The disk is part of the SQL group in cluster admin...
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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 ArticleClusterPrepareSharedVolumeForBackup() fails on Window 2012 CSV
I've a Windows sever 2012 RC Hyper-V cluster with VM using CSV. There I'm seeing ClusterPrepareSharedVolumeForBackup() failing with error ERROR_INVALID_PARAMETER. It works fine on 2008 r2. Any idea...
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