restore(8) to UFS on USB key: terrible slow
Hans Petter Selasky
hselasky at c2i.net
Thu Dec 8 15:02:15 UTC 2011
On Thursday 08 December 2011 15:58:42 Hans Petter Selasky wrote:
> On Thursday 08 December 2011 15:52:04 Matthias Apitz wrote:
> > El día Thursday, December 08, 2011 a las 03:40:06PM +0100, Hans Petter
>
> Selasky escribió:
> > > BTW:
> > >
> > > Check USB traffic with "usbdump" utility.
> >
> > I don't see this 'usbdump', neither in the system nor in ports;
> >
> > BTW: I've checked the dump, it contains 50.000 dirs and 200.000 files
> > (because of complete /usr/src and /usr/obl files incl. .svn dirs);
> > Is this (50.000 x mkdir(2)) to much for USB?
>
> Hi,
>
> USB can at maximum do 8000/3 512byte R/W READ_10 or WRITE_10.
Per second.
>
> Usbdump is available in 8-stable and 9-stable.
>
--HPS
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