[iyonix-support] Re: USB backup times
- From: Richard Ashbery <riscos@xxxxxxxxxxxxx>
- To: Iyonix ML <iyonix-support@xxxxxxxxxxxxx>
- Date: Fri, 01 Feb 2008 17:27:21 +0100
In article <Marcel-1.53-0201141230-345pErr@xxxxxxxxxxxxxxxxxxxxxx>,
Chris Evans <chris@xxxxxxxxxxxxxxx> wrote:
> On Fri 01 Feb, Richard Ashbery wrote:
> >
> >
> > File size File type Approx. time
> > -----------------------------------------------------------------
> > 2MB 41 jpegs 38 secs 3MB
> > Single jpeg 13 secs 2.4MB
> >
> > ArtWorks program 5 min 30 secs
> > ------------------------------------------------------------------
> >
> > A couple of questions
> >
> > 1. Are these figures typical for a USB2 equipped Aria. 2. Why
> > does it take so long to transfer program files.
> Each sector will take the same time to write program or data.
> !Artworks here is made up of 419 files + quite a few directories.
> It is the overhead of updating the map that gives an apparent
> difference of speed.
Thanks for your observation Chris - I have just transferred 419 jpegs
(20MB) across taking about 4 min 45 secs. So the number of files is
the critical factor in transfer speed. Updating the map seems to take
a huge amount of time.
Best regards
Richard
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