Currently Browsing: Hyper-V

How To Setup Hyper-V Dynamic Memory with Windows 2008 R2 SP1

I was very excited with the announcement that Windows 2008 R2 Service Pack 1 would bring memory over-commit (dynamic memory) to Hyper-V, something that has been available in VMWare for a while now. Although I wouldn’t use this feature in a production environment (read this blog post for an explanation why: Memory over commitment, not for production servers), this new technology is perfect for use in the development and testing Hyper-V environment at SSW. The explanation on how to setup Dynamic Memory In Windows 2008 R2 is below, but before you try it out – be aware that it is currently in Beta,...
read more

How To Fix Hyper-V “Migration Attempt Failed” When Live Migrating

If you are running Windows Server 2008 R2 with Hyper-V and have a SAN available, Hyper-V Live migration is a great way to make your Virtual Machines highly available. There is nothing like being able to migrate your VM’s to another node in the cluster and shutdown a host to perform maintenance – I still get excited every time I live migrate a machine! In some cases though, your Live Migration attempt may fail. Unfortunately the Failover Cluster Manager nor the event viewer sheds much light on the reason in most cases. A failed Live Migration attempt Unfortunately the cluster...
read more