Date: Sat, 11 Mar 2006 16:24:21 -0700 (MST) From: "M. Warner Losh" <imp@bsdimp.com> To: rmarella@gmail.com Cc: freebsd-stable@freebsd.org, ale@freebsd.org Subject: Re: Problem with 16-in-1 card reader Message-ID: <20060311.162421.97071374.imp@bsdimp.com> In-Reply-To: <20060311124931.62eee647@frankie.konav201.local> References: <4412C7D2.5080809@FreeBSD.org> <20060311124931.62eee647@frankie.konav201.local>
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In message: <20060311124931.62eee647@frankie.konav201.local>
Robert Marella <rmarella@gmail.com> writes:
: On Sat, 11 Mar 2006 13:51:30 +0100
: Alex Dupre <ale@FreeBSD.org> wrote:
:
: > My new PC has an internal 16-in-1 card reader connected via USB 2.0.
: > The device is the Techsolo TCR-1640
: > (http://www.techsolo.de/product/cardreader/tcr_1640/index.php).
: > I boot from a compact flash inserted in it and I can mount and unmount
: > the same CF once the system has booted and has mounted the root
: > partition from my graid3 array.
: > The problem arise when I replace the inserted CF with another one
: > (with different size and filesystem) and try to mount it. Fdisk can
: > correctly sees the new partition table, but devfs is not updated and
: > I cannot mount the new media.
:
: <snip>
:
: Hello Alex
:
: This problem has been discussed many times on the lists. In order to
: update devfs you can use:
:
: cat /dev/null > /dev/daX
:
: I seem to remember another method using dd.
dd if=/dev/null of=/dev/daX count=0
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