Hi Andre,
Yes, it is 1 datastore we are talking about. So, it was setup in RAID 0, with 1 large logical volume (because I needed the storage capacity - we can discuss the pros and cons to that later as I know there really arent a lot of pros) and I did have vmotion setup to migrate the VM's to another datastore.
As fate would have it however, that server with a secondary datastore failed last week, leaving me only a copy of the data inside the VM's of this particular datastore.
The raid controller is HP Dynamic Smart Array B120i from a HP DL360e Gen8 server.