On 1/16/06, Iain Buchanan <[EMAIL PROTECTED]> wrote:
> On Mon, 2006-01-16 at 10:46 -0700, Trenton Adams wrote:
> > Are you mounting with the "sync" option, or no? Try it with, and
> > without. If you do it without, time what it takes to do the copy, and
> > unmount. unmount will do the actual sync.
>
> hey, that sped it up heaps!
>
> $ sudo mount -t vfat -o uid=iain,gid=users,async /dev/sdd6 /mnt/tmp/
> $ time { cp /usr/portage/distfiles/OOo_2.0.1_LinuxIntel_install.tar.gz
> /mnt/tmp/; sudo umount /mnt/tmp/; }
>
> real 0m11.134s
>
> thats a huge increase (11s instead of 81s!), so how come hdparm still
> reports 9MB/s?
>
> > I've noticed that linux in generall is extremely slow with USB devices
> > sometimes. My external USB2 (ATA 100) drive gets 27M/sec on my
> > machine. And with a relatively new driver, you should see speeds
> > about like that.
>
> Is that calculating the times yourself, or with hdparm?
Yes, calculating myself. And I don't know why hdparm would report
that other time.
>
> thanks,
> --
> Iain Buchanan <iaindb at netspace dot net dot au>
>
> I've had a perfectly wonderful evening. But this wasn't it.
> -- Groucho Marx
>
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