In Pictures: 10 things we love about Windows Serve...
Hyper-V V3 resources can be aggregated into clusters, and through the use of new VHDX sharable disk stores, can create islands internally-- or for cloud-hosted purposes, external clouds whose resources should be opaque to other cloud components. The VHDX format can also be dynamically re-sized as the need arises; we found that the process is fast, although during that period, disk and CPU resources can peak until the modification is over. Heavy CPU/disk-imposed limitations thwart resizing by slowing it.
In Pictures: 10 things we love about Windows Server 2012 R2