[GRLUG] External drive transfer rates
mikemol at gmail.com
Sat Oct 20 19:20:27 EDT 2007
On 10/20/07, Bob Kline <bob.kline at gmail.com> wrote:
> On 10/20/07, Bob Kline <bob.kline at gmail.com> wrote:
> > On 10/20/07, Michael Mol < mikemol at gmail.com> wrote:
> > > How about:
> > >
> > > mount -t ext3 -o async /dev/X /disk2
> > That would seem to make sense, but the
> > man page for mount suggests that the
> > default is async.
> > One can use
> > mount -t ext3 -o defaults /dev/X /disk2
> > but its unclear why this is useful. I'm
> > assuming that one doesn't need it, but
> > will try it just to be sure.
> > More later.
> The async option is apparently the default,
> and has no affect on the slow transfer rates
> I'm seeing.
> Some have wondered whether the connection
> is somehow defaulting to a USB 1.1 mode. But
> if so, I see no way to do anything about that.
What kind of performance do you get if you try:
dd if=/dev/X of=/dev/null bs=1M count=1000
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