[ale] Determining USB transfer speed

Christopher Fowler cfowler at outpostsentinel.com
Sat Mar 19 18:26:22 EST 2005


Those are 1.0 speeds.

On Sat, 2005-03-19 at 18:14, Mark Wright wrote:
> I can't answer you question but in my experience USB drives are dog 
> slow.  I use rsync to backup my Mac to a  30 gig firewire drive.  Took 
> about 2 hrs to back up approx 40 gig , compressing the first time but 
> it fit.   Runs about 15 minutes to update the changes now.  I bought a 
> bigger drive because I was knew I would be out of room soon.  USB 40 
> gig drive.  The same rsync command took 14 hours to complete to the USB 
> drive.  I haven't tried yet but somehow I think it will take longer to 
> do differential back up too.
> 
> 
> On Mar 19, 2005, at 4:30 PM, John Wells wrote:
> 
> > Guys,
> >
> > Just bought a USB 2.0 capable usb drive enclosure.  I've mounted it on 
> > Ubuntu
> > and am successfully tranferring files, but it seems dog slow.  I 
> > suspect the
> > drive is defaulting to  usb 1.1 instead of 2.0, and thus not getting 
> > the
> > performance it should.  How can I verify this?  Any tools that will 
> > display
> > this information?
> >
> > Thanks!
> > John
> > _______________________________________________
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> > Ale at ale.org
> > http://www.ale.org/mailman/listinfo/ale
> >
> 
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