Following an issue with the storage used by our Hyper-V cluster, one node in our five node cluster became partially unresponsive. The virtual machines (VMs) running on the unresponsive node were automatically moved to other cluster nodes and service was resumed withing a couple of minutes. At first everything appeared to be fine, but within [...]
Our five node Hyper-V cluster is connected to a Dell MD3000i, which provides virtual machine storage using Cluster Shared Volumes (CSV). The MD3000i has dual storage controllers for redundancy, but recently both storage controllers rebooted within a minute of each other. Looking at the Storage section of Failover Cluster Manager showed that half the CSV [...]
Following a power down of our Hyper-V cluster, about half the virtual machines (VMs) would not start. Looking in Failover Cluster Manager showed the VMs couldn’t start because the machine files were missing. I looked at the Storage summary, but the cluster shared volumes were present and had a status of online: This was odd, [...]
You must import the FailoverClusters module to use the cluster commandlets in PowerShell. Open PowerShell then type: Import-Module FailoverClusters
Two virtual disks failed on the storage used by our Windows Server 2008 R2 Hyper-V cluster. I wasn’t able to recover the virtual disks, so I needed to remove them from the cluster. I had to use a different method for each disk. The cluster uses Cluster Shared Volumes, so using Failover Cluster Manager, I opened Cluster [...]
