On Wed, Sep 04, 2019 at 04:20:14PM +0100, Patrick O'Callaghan wrote:
> On Wed, 2019-09-04 at 21:55 +0800, Ed Greshko wrote:
> > On 9/4/19 9:16 PM, Dave Ihnat wrote:
> > > On 4 Sep at 01:12, Ed Greshko <ed.greshko@xxxxxxxxxxx> wrote:
> > > > Of course a dd copy may be rather time consuming and space consuming
> > > > with no apparent advantage.
> > > A lot less time consuming if you use the "bs=" option. Haven't seen anyone
> > > mention that; I believe the default is still the old Unix 512b, painful.
> >
> > Very good point. And, yes, the default is still 512.
>
> For a USB drive it probably doesn't make much difference. Output will
> be buffered and speed is limited by the USB interface.
>
> poc
I tend to use "bs=10M", which won't make it any faster, unless possibly
you're using USB3.x devices on a USB3.x port.
Fred
--
---- Fred Smith -- fredex@xxxxxxxxxxxxxxxxxxxxxx -----------------------------
"And he will be called Wonderful Counselor, Mighty God, Everlasting Father,
Prince of Peace. Of the increase of his government there will be no end. He
will reign on David's throne and over his kingdom, establishing and upholding
it with justice and righteousness from that time on and forever."
------------------------------- Isaiah 9:7 (niv) ------------------------------
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