Failover Cluster: CSV Network Migration
Our main VM CSV is connected to our iSCSI on the wrong network. We have three Cluster networks:5.x - iscsi40.x - cluster network / live migration50.x - client vm networkFor some reason the ISCSI is...
View ArticleCan you cluster two nodes from subnet A with the cluster itself residing in...
We have a situation in a cloud deployment where the servers are automatically provisioned through a cloud portal with IP addressed from subnet A. Because we require static IP for clustering, the static...
View ArticleEvent ID 1230: (resource type '', DLL 'clusres.dll') either crashed or...
Hi, Our cluster just crashed with following error: Event ID 1230 Cluster resource 'FileServer-(server1)(Data)' (resource type '', DLL 'clusres.dll') either crashed or deadlocked. The Resource Hosting...
View ArticleWindows 2008 R2 Cluster drive letter changed unexpectedly
On my Windows 2008 R2 cluster, drive letter changed unexpectedly during fail over. From what I understand, this can happen if the drive letter is already being used by the node at the time of fail...
View ArticleEvent ID : 21502 "failed to register the service principal name: The user...
Hiwe have configured the two node 2012 Hyper-V but after configuring the Replica it is showing in failed state and we are getting event IDEvent ID : 21502'Hyper-V Replica Broker xxxxxxxxReplica' failed...
View ArticleWindows 2012 3(three) Node custer Quorum Configuration
HiI have 3 Node windows 2012 R2 cluster. now i wanted to perform the quorum configuration so if any body having document or steps please let us know.
View Articlecan not start one vm from save states
After I change my Server processor, one of my vm can not restore, the event id is 24004 and 12050, my Hyper-V server is server 2012R2, latest update installed.The virtual machine 'vmname 'is using...
View ArticleCluster sensitivity to planned outages
In the case of a virtualized Microsoft cluster using a converged infrastructure (Cisco UCS with network and storage over the network), is there a way to tweak the cluster services to be a bit more...
View ArticleInquiry Regarding Hyper-V Witness Disk Configuration In Windows Server 2012 R2
Good afternoon,I am in the process of re-setting up my 5th Hypervisor which will be running Windows Server 2012 R2 Datacenter. I will be using this hypervisor to re-build my Hyper-V failover cluster...
View ArticleCluster not work !
Hi all,I created cluster with 2 nodes (Windows Server 2012 R2 Standard)- Node 1: 2 x CPU E5-2630 2.3 GHz- Node 2: 1 x CPU E5-2620 2.0 GHz- CSV storage on IBM v3700 by iSCSI2 nodes update all hot fix...
View ArticleCluster Heartbeat is using the wrong network
Hi there.I have a very strange phenomena at one of my customers and can't really understand why this happened.This is a a Windows 2008 R2 two node cluster (actually patched)We have a Public network, a...
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I/O Performance throttled down consistently in every minute with the same...
Dear Expert...I just done installation of Windows Clustering 2012 R2 + SQL Clustering 2012 R2. However, when i do I/O performance test. the result is not perfect. As per graph below, the I/O seems to...
View Article2012r2 cluster, move storage between LUN's without downtime.
I have a 2012r2 Cluster with nodes masked to 2 LUN's (on different iSCISI SANS). VM are running from both LUNS. What is the best way to move the running VM with its storage to LUN1 without downtime?
View ArticleHP P4000 Lefthand + Server 2012 R2 + Failover Clustering
Hi Everyone,Here's some background:We have 2x HP BL460c G7 blades in a C3000 Chassis, attached via 2x VirtualConnect modules to 6x HP P4500 G2 LeftHands, via iSCSI. There's a AD 2012 R2 Directory...
View Articleunable 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 decided...
View ArticleServer 2012 R2 Witness Disk won't failover
Hi,I have a 2 node cluster with a shared witness disk for Quorum. when I lose connection to the disk from 1 node, the ownership fails over to the other node, this is what I expect. however if I test...
View ArticleLive Migration and Storage Migration
Can anyone help me please with the answer to the below questionYou have a datacenter with 6 servers.Each server has Hyper-V Role installed and runs Win 2012 R2. The servers are configured as...
View ArticleCluster Shared Volume error after server not shutting down properly
Hi, We have two IBM X240 servers ( we call it server A and server B) connecting to IBM disk system:V3700 via fibre HBA. The both servers are installing windows 2012 R2.We have implemented VM cluster...
View ArticleWindows 2012 File Server cluster - issue with adding file share
Greetings All,I have physical 2-node (nodes A and B) Windows 2012 Standard cluster with File Server role installed (standard SMB, no CSV/CAFS). Both nodes are alike, hardware and software-wise with the...
View ArticleNLB Problem on Windows Server 2008 R2
Hello,Exchange CAS array (NBL) has been already configured with node CAS node. When i was trying to add third node, in NLB console showing Misconfiguration. Then i delete 2nd node which was working...
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