It looks to me that the UUID has the SCSI id embedded in it, according to your post:
...
UUID of volume: d64WTF-VB6E-yC3o-1x2o-2EM9-uc9b-EwHZOu
SCSI ID of LUN: VB6EyC3o1x2o2EM9
(emphasis mine)
I wonder if changing the SCSI ID in the open-e gui will change the UUID to coincide?