Windows 2012 Cluster with Exchange 2013 DAG
Hi,I have a question regarding Windows 2012 Failover clustering.We have Windows 2012 running with Exchange 2013 DAG. 8 nodes 1 witness server There are few instances where one of the nodes lost the...
View ArticleSAS-connected SAN for clustering?
HiI'm looking to create a new Hyper-V cluster for 4 VMs running on two hosts (either host able to handle that load of the 4 VMs of course). I'm planning to use a couple of IBM x3650's with a Storwize...
View Articlereplacing storage on failover cluster
Dear all,I have a 2-Nodes Fail-over Cluster running on top of a HP Store Easy 1430 8 TB SATA Storage that needs to be re-installed. I have 4 VMs running there, how do I do?What will happen with the two...
View Articlecan not start lame cluster
I have a two node cluster, all 2012R2,some day one node system crash in loop boot, therefore I wipe it.today I choose the Stop cluster in failover cluster manager, but I found I can not connect to this...
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Windows 2012 Cluster : sharing tab slow
We have a cluster with Windows Server 2012 R2.When we create a share inside another share, the Sharing tab is very slow to appear (about 2 minutes).We thought it is because the root folder has many...
View ArticleHyper-V Replica Issue
Hi Everyone,I got one issue with Hyper-V Replica:From a single-host I am replicating VMs to a Cluster. So far, so good. After adding more Nodes to the Cluster, these can't receive the replication. One...
View ArticleSystem configuration information for cluster
I have 2 physical servers. I need to have a failover system so when the first server fails it will activate the second server. What i have done is: On both physical servers i have installed hyper-v and...
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Server 2012 R2 Hyper-V Failover Cluster NIC Team "Host Unmanageable" Status
Hi All. I'm trying to troubleshoot an apparent network issue on our 2 node failover cluster, and have found that on one of the nodes, the status of the NIC team is "Host Unmanageable" in Server...
View ArticleWindows 2012 R2 2xNode Failover Cluster Drive letter
hi all,Setup 2x Windows 2012 R2 VMs on VMware to host a SQL cluster.I've setup 4x volumes on Dell Equallogic and presented them to the VMs (DB, DBBackups, DBLogs and Quorum). Brought the disks online,...
View ArticleFailover Cluster logs missing??
Hi Gents,I have a cluster in hyper v 2012 r2 environment and i notice our logs (Failover Cluster > Diagnostic) are lost unexplained when i tried to review it. I have no rational explanation for...
View ArticleiSCSI Connections Keep Disconnecting
Our setup:Server 2012 R2 Hyper-V Cluster3 HP DL380p Hosts HP MSA 2040 SAN2 Cisco Nexus 5000 series Switches dedicated to iSCSI storage networkEach Host has an Intel x710-DA2 10Gb NIC, latest firmware...
View ArticleHyper-V cluster - 500VM's + - clussvc.exe - CPU usage
HiWe have multiple hyper-V clusters running on 2012R2In the largest cluster, 13 nodes, 500 vm's, clussvc.exe uses about 25-30% CPU, and there is a good amount of network traffic between all the nodes....
View ArticleWindows Failover Cluster - Architecture documents??
Hi guys !!I am looking for information about Windows Failover Cluster - Architecture. I need deep inside info.Somebody know where find this? I cant find info about CLIUSR account, low level Networking,...
View ArticleGet-vm show duplicatet VM
Hi,i have a Windows Server 2012 R2 failover cluster with 2 nodes.When i run "get-vm" from one of the nodes i see many VMs duplicated.I tried to follow...
View ArticleHA Storage - Clustering - Online or Reserve? And, MS Copy Cluster Roles
Hello Everyone, we are attempting to perform a "Copy Cluster Roles" operation between Windows 2008 R2 and Windows 2012 R2 and we were not sure weather or not the storage Volumes (once brought online...
View ArticleMicrosoft Failover Clustering Events 1126, 1127 and 1129. Hearbeat Network...
Environment and problem:2 servers 2012 in a Microsoft failover clustering which is going to be used for SQL AlwaysON. There is no common storage between the servers, since I do not need one. These are...
View ArticleCluster Validation fails with error "failed to access sector 11 on physical...
Hello,We have created 2 Guest VM's running Windows Server 2012 R2 on VMware ESXi v5.5 host.Both these VM's are on same subnet and have been setup in a Cluster configuration using Failover Clustering....
View ArticleExpanding iSCSI lun from below 16TB to above 16TB for a live CSV
All servers fully patched 2012OK i am just wanting a second set of eyes on what i am about to do.I have a Dell MD 3620 attached via iSCSI to a 5 node Failover Cluster. There is a 16 TB LUN being...
View ArticleCAFS for General Use
I am wanting to utilize the File Server for the General Use role in Fail Over Cluster Manager. I have successfully created the disk on the SAN and role. The disk is online. However I cannot bring the...
View ArticleHost Not Responding
Hi Therei currently have a windows server 2012 environment where i run 2 server 2012 r2 servers in a cluster. after some time, the virtual machines on this cluster lose network connectivity with a...
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