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07-27-2016, 10:47 AM
Post: #1
What's the difference between the Drobo S & the Drobo 5D/5N?

I have a Drobo S. I've never been able to get the USB 3 connection to the computer to work (I have USB 3.0 connections on my computer). I currently use an Esata connection. Computer doesn't recognize any Drobo if connected w/USB 3.0 Would like to be able to use USB 3. Anyone had similar issues?
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07-28-2016, 11:54 AM
Post: #2
RE: DroboS
hi sturgessdm,
for the differences, the drobo-S is an older Directly Attached Storage device (DAS) and the 5D is a newer DAS.
(i have a drobo-s-gen2)

all of them have 5 drive bays/slots, but the drobo-S does not support an extra msata card for accellerated reads of certain files.

the 5n is a Nas (network attached).

for me, i have never been able to get my drobo working with esata (but i think it was something to do with my motherboard/controller) so i happily use usb 2 or usb 3.

one thing that sometimes happens though (on a windows computer) when connecting and disconnecting several devices (such as using a drobo, and shutting it down, and then connecting a usb stick or alternating connections, is the computer can end up locking the ports) i think its something to do with the enumerator process, (and some macs with firewire have similar issues too) but powering all down for at least 5-10 minutes, and unplugging the connection cables, seems to do the trick.

(some firewalls or security products can also block usb or firewire connections, as i believe firewire ports can be used to gain direct access to the motherboard for exploits etc, and most corporations tend to block usb too) - maybe there are some settings you could check on your (windows machine?)

(btw i have XP home SP2, a Drobo v1 with 2x 1TB/2x 1.5TB WD greens, & a bkp Drobo v2 with the same + a DroboShare: unused)
& a DroboS v2 with 3xWD15EADS &2x1TB in DDR mode on win7, & a drobo5D (all usb)
  • btw i did a sustained (write) operation for about 6 hours, and got 13.2MB / sec ...objection? "sustained" :)
    (16.7MB/s on a v2 & 47-96MB/s drobo-s)
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