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Old 01-01-2008, 12:40 PM   #1
Registered: Jun 2003
Location: Peoria, IL
Distribution: Ubuntu (home) / RHEL (work)
Posts: 65

Rep: Reputation: 15
Can Linux emulate an external USB hard?

I am trying to find a way to have a Linux server act as an external hard drive. The goal would be for another OS to think that an external hard drive was attached when connected by a USB cable. My satellite receiver allows users to connect USB hard drives to expand the storage. If this were possible, I would not have to purchase a large external drive enclosure for the drives I already have. Please send me any information if this can be done.

Old 01-01-2008, 04:19 PM   #2
Registered: Apr 2005
Location: UK
Distribution: Slackware 13.0
Posts: 241

Rep: Reputation: 34
Yes... read about USB gadget interfaces. However, you need a particular type of hardware called a USB host card which aren't the same as "ordinary" USB ports - there are plenty of these about but they are not what you would call "normal" hardware.

For instance, things like the GP2X games console run Linux and can act as USB host (i.e. appear as a mass storage device) but that's because it's got one of these chips in it. Basically, USB devices are "clients" and most USB ports on computers are "servers". However what you want to do is for your computer to act as a USB "client", which requires USB "gadget" software and compatible hardware.


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