Windows server 2012R2 - Cluster-aware application fails to detect an active...
Hi There,We are maintaining an application based on 3 layers (DB, WS, Application services). The application is cluster-aware, meaning once cluster is configured on the target machine the install...
View ArticleFile Share Witness stays offline - Windows Server 2012 R2
We had some network issues and a few clusters lost communication with their File Share Witness. The strange part is that the file share witness remained offline. I can manually bring them online, and...
View ArticleData copy using robocoy
Experts,I have a 2 node SQL VM cluster which needs to be migrated to a new hardware on another datacenter.Site 1 :2 node windows 2008 R2 having 8 shared RDM's2 Instances of SQL 2008 R2Site 2 :VM...
View ArticleUnable to create Windows 2008 Failover Cluster
Hi,I have SAN storage disk mapped to 2 host servers and i have 2 vm's running in each host servers.am trying to configure Windows failover cluster in the VM's.So i mapped the SAN disk to VM's via SCSI...
View ArticleCluster network name resource failed registration (Event ID 1196)
I recently implemented Cluster Aware Updating on my Windows 2012 cluster. During the setup of the role I selected the option to "Add the CAU clustered role with self-updating mode enabled, to this...
View ArticleShould you Optimize the Quorum Disk? (Defragment and Optimize Drives - Disks...
Should you Optimize the Quorum Disk? Scenario:Failover Cluster Server Windows 2012 R1 - 2 nodes - 1 x Quorum Disk.Regards,KKathySenior IT Support Analyst
View Article2003 to 2008r2 mscs file server migration
Hi All,I am in the process of migrating a 2 node 2003 file server cluster to 2008r2 and ultimately to 2012.Where I run into problems is with the shared folders. With the 2003 cluster we have many...
View ArticleSERVER 2012 FAILOVER CLUSTER – HYPER-V – Errors after Security Updates
Setup a Windows Server 2012 Failover Cluster with two hosts and a backend SAS SAN (Dell MD3200 with Dell Dual Port 6Gbps HBAs).Did a number of tests and failover of VMs from one host to the other...
View ArticleSERVER 2012 FAILOVER CLUSTER – HYPER-V – MPIO for Dell SAS SAN Configuration
I have a Server 2012 Failover Cluster for Virtual Machines configured and seems to be working fine when testing failovers, etc. This is on two hosts.My backend SAN is a Dell MD3200 SAN (firmware fully...
View ArticleFile server
Hi,I'm planning a cluster server for file storage. I have read about the new high availability feature in Windows 2012, which extends the classic failover to a sort of an active-active file server...
View ArticleCluster Shared Volume disks report Online (No Access)
Hi, bit of a strange one here... I'm currently testing out a Hyper-V Failover Cluster on Windows Server 2012 Standard. We are using shared storage Synology RS810RP+ which supports LUN/iSCSI targets...
View Article2012 R2 - NLB - multicast - same network - not pinging
Hi,I have an NLB cluster (with only one host at the moment) in multicast, all the ports are balanced. The host answers to ping, but if I use the cluster's IP it does not respond to anything, no ping,...
View ArticleHA and Mirrored disk.
Hello. So I have a simple HA fileserver setup which is currently backed by a pair of iSCSI devices. Straight forward and simple, the disks aren't part of a pool, simply just an iSCSI connected...
View ArticleProduction Client Access Point of SQL instance is updated with Backup IP and...
Hi All, I have a Two Node widows 2012 Enterprise Fail over cluster with one SQL 2008 R2 instanceThere are three networks configured in the cluster 1. Production2. Backup3. HeartbeatSQL instance is...
View ArticleNLB IIS, The Page Can not Be displayed when website on Server1 stop.
Have good day !I have the case.I have two server: Server1(IP is 172.16.5.17) and Server2(IP is 172.16.5.23). Two servers are VM, using Windows 2008 R2 Enterprise with the following details. Each Server...
View ArticleHow to upgrade hardware on Hyper-v cluster nodes
I have a Windows 2012 R2 cluster with four nodes running Hyper-v. I would like to upgrade the four nodes to new hardware. Can I remove a node from the cluster, rebuild the server on new hardware and...
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The wrong diskette is in the drive
Hello all,I have a strange issue occurring on my windows 2008R2 Enterprise 2 node Cluster. Both machines are physical.One of the Luns doesn't work as intended in one those nodes.So i can explain...
View ArticleHyper-V cluster network validation warning server 2012 r2
I created and validated a cluster to move to our DR Site.After installing and connecting the server I began to have troubles with the networks.I checked everything and re validated the cluster, there...
View Articlefailover dhcp
not sure where to put this question, but I have 2 windows server 2008 r2 servers, one pdc, one bdc. i'd like to set up failover dhcp if I could. I don't want to split it, don't have enough ip's.it's...
View Article2-node Hyper-V Cluster and AD chicken-and-egg
I have 2 hosts and a Storwize 3700 SAN and have hit the problem of needing AD to create the cluster when I actually want to run the DC on a guest in the cluster. It seems 2012 R2 supports booting up...
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