Hyper-V 2012 R2 on 2012R2 core. Researching performance tuning and found this:
http://www.altaro.com/hyper-v/23-best-practices-improve-hyper-v-vm-performance/
Apparently we have broken some of these "best practices". Number 5 Avoid Storing System Files on Drives Used for Hyper-V Storage and number 6 is like it. So our VM and drives are on the physical server drive:
We have a JBOD's device that we could move the drives and VM's too. How can we correctly and safely move the drives and VM's to a separate drive?