I wasn't really sure what section to post this in - this seems the closest fit.  I wonder if it's worth us getting a new 'Virtualization' (it was really difficult for me to spell that with a Z ) section on these boards, especially considering the rising popularity of ESXi-based unRAID servers.   In any case - there has been a long-standing issue with unRAID whereby when you try and add a virtual disk (vmdk) as a source for a cache drive (or any drive for that matter), you can't assign it to t