[GRLUG] External drive transfer rates

[Bob Kline]

On 10/20/07, Michael Mol <mikemol at gmail.com> wrote:
>
> On 10/20/07, Bob Kline <bob.kline at gmail.com> wrote:
> > I run two versions of Linux.  Kubuntu
> > 7.04,  and a recent version of Mandriva.
> >
> > I recently acquired an external hard drive
> > housing, which takes IDE drives,  and has
> > a USB 2 interface.
> >
> > When I use it I mount it using the command
> >
> > mount -t ext3  /dev/X  /disk2
> >
> > and then proceed to transfer files.
>
> [snipped]
>
> > Looking around online,  it's clear this is a
> > widespread problem.  The only solid lead I've
> > seen is to somehow suppress the "sync"
> > function,  which does seem to be standard.
> > It's clear how to do this using /etc/fstab,  but
> > as shown above,  I don't use that for now.
> >
> > Does anyone have any tips or suggestions?
> > While the transfers are robust,  and in a
> > sense everything is working,  the rates are
> > almost too slow to be of interest.
>
> 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.

Thanks.

     -Bob
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