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SOLVED: Even though the enclosure came with its own power supply, it required a powered USB hub, probably for some internal components that don't draw power from the main supply.

I have this dual HDD enclosure.

http://www.raidsonic.de/data/products/icybox/IB-3620/E_IB-3620_Series_manual_v1.1.pdf

Basic model IB-3620U3.

The enclosure implements JBOD(single) so the installed drives are seen separately by the OS.

I have no problems when I plug the device into my Ubuntu 14.04 laptop, I can see both HDDs and the "usb" LED(that shows it is connected by USB) lights up on the device.

However, when I plug the device into my Raspberry Pi, running Raspbian, the HDDs are not seen and even the "usb" LED on the front of the device does not light.

Outputs (pastebin urls)

Raspbian:

lsusb dmesg uname -a fdisk -l (just SD card)

Ubuntu(laptop):

lsusb dmesg uname -a fdisk -l

Note: If I power up the device, while already plugged into my raspberry pi, the device's "usb" LED lights up, but there is no difference.

Note2: I know the device doesn't officially support Linux, but hardly anything does on the box. I have 2 of these USB HDD docks which work perfectly with Raspbian.

http://www.amazon.co.uk/Optimized-Inateck-Including-Comaptible-Tool-Free/dp/B00GIDNLI6/ref=sr_1_1?s=computers&ie=UTF8&qid=1403606340&sr=1-1&keywords=inateck+dock

Note3: One drive is ext4, and the other is NTFS.

Thank you for any help getting this thing working in Raspbian

Edit:

As requested, here is lsmod(unplugged) lsmod(plugged-in) on the Ubuntu laptop.

And, lsmod(unplugged), for raspbian. Doesn't change after plugging the device in.

At a glance, it looks like the top modules usb-storage, ccm, and ctr, are the only ones to change on the laptop when plugging the device in.

Where do I got from here ?

share|improve this question
    
The issue is likely b/c you're missing kernel modules (drivers) on Rasp. that you have loaded by default or are avail. on Ubuntu. Take a look at the outputs of lsmod on both systems. –  slm Jun 24 at 11:53
    
@slm Thanks for the help. I added lsmod outputs for both systems. –  PepperCorn Jun 24 at 12:13
    
I'd start with the module usb_storage. –  slm Jun 24 at 12:42
1  
@slm Apologies ! You were in fact, correct ! see main post ! –  PepperCorn Jun 24 at 13:51
4  
consider moving your revelation out of the question and add as an answer so this question stops appearing for others looking for questions to answer. Or, put your revelation earlier in the question, and/or change the title. :) –  Shaun Wilson Jun 24 at 14:34

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