Have you looked at the kernel USB support?

Make sure that you have the proper chipset specified in the kernel config.

You might also want to play with some of the other settings like
bandwidth enforcement and such.

I have never worked with a USB hard drive but I have heard they are
slow (but not THAT slow).

Also are you on a USB 2.0 interface or 1.1?


On Wed, 29 Sep 2004 10:50:10 -0500, rpgoldman at real-time.com
<rpgoldman at real-time.com> wrote:
> 
> I was wondering if anyone had any expertise to share about USB hard
> drives.  I'm finding that access to mine seems terribly slow; far
> slower than I think it ought to be.
> 
> I'm trying to use one as an external backup device.  Because I was
> careless, I didn't wipe the drive first (it was originally used as a
> backup device in a removable hard-drive drawer, before a recent
> upgrade), so have been deleting directories prior to copying stuff
> onto it, but this seems terribly, terribly slow.
> 
> For example:
> 
> rm -rf for 3 megabytes: 50 seconds
> rm -rf for 5.5 megabytes: 2 minutes 40 seconds!
> 
> At this rate my backups are going to be very time-consuming!
> 
> Is there some tuning or hdparming sort of thing I should do?
> 
> thanks,
> R
> 
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-- 
Loren H. Burlingame <loren at lhb.name>
GPG Key ID: 0x112DCF4F
"Irony can be pretty ironic sometimes."
   -William Shatner (a.k.a. Buck Murdock)

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