Does anyone know if partitioning a Drobo is "necessary" if you're planning on using your Drobo as your Time Machine Volume. I called Data Robotics about this and they weren't even able to give me a straight answer. They did tell me that Apple recommends partitioning the Drobo if you're planning on using it as your Time Machine volume, but they weren't sure why this was recommended (strange that they wouldn't know, if you ask me). Here is my current situation: I recently purchased a Drobo (4-Bay; Firewire 800) and I plan on filling the Drobo with 4 1TB drives and using it exclusively for Time Machine backups. I have no need whatsoever for storing any additional data on my Drobo other than the data backed up by Time Machine (which would be one reason why someone might want to partition the Drobo... but this is not the case for me). Here's the thing that makes me believe that it might be "necessary" to partition the Drobo. When I initially formatted the drives and setup my 4x 1TB drives as a single mounted volume (2.7TB of usable storage space), the Drobo Dashboard utility requires that you choose a specify a volume size by picking a size between 1-16TB, and they recommend choosing a volume size that will be large enough to store all of your files for the foreseeable future. See the image below (photo below was taken with my iPhone and uploaded to the web via the cool new DropBox app): Seeing as how it's a 4-Bay Drive and thought I currently have 4 1TB drives in it, I can't imaging ever putting more than 4 2TB drives in it, and so I've specified a volume size of 8TB for my Drobo. Anyone who has ever used a Drobo knows that in the Finder, this volume is listed as having 8TB of usable storage space available, though in reality you actually have less than that (in my case as I stated earlier, my 4x 1TB drives provide for 2.7TB of usable storage space). Perhaps the Drobo might need to be formatted so that once the Time Machine backups fill up the 2.7TB of space, that it doesn't inadvertently think that there are 8TB of space available and then it erroneously continues backing up (which would theoretically result in problems). This is just a theory as to why partitioning might be "necessary". Can anyone confirm or deny whether or not partitioning the Drobo volume is "required" if I plan on using the Drobo as my dedicated Time Machine volume? Thanks!