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From: Hans Petter Selasky <hselasky@c2i.net>
To: Matthias Apitz <guru@unixarea.de>
Date: Thu, 8 Dec 2011 15:58:42 +0100
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Cc: freebsd-questions@freebsd.org, freebsd-usb@freebsd.org
Subject: Re: restore(8) to UFS on USB key: terrible slow
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On Thursday 08 December 2011 15:52:04 Matthias Apitz wrote:
> El d=EDa Thursday, December 08, 2011 a las 03:40:06PM +0100, Hans Petter=
=20
Selasky escribi=F3:
> > BTW:
> >=20
> > Check USB traffic with "usbdump" utility.
>=20
> I don't see this 'usbdump', neither in the system nor in ports;
>=20
> 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.

Usbdump is available in 8-stable and 9-stable.

=2D-HPS