From: Christoph Hellwig <hch@infradead.org>
To: "Piszcz, Justin Michael" <justin.piszcz@mitretek.org>
Cc: linux-kernel@vger.kernel.org, Al Piszcz <apiszcz@solarrain.com>
Subject: Re: How come dd if=/dev/zero of=/nfs/dev/null does not send packets over the network?
Date: Wed, 2 Jun 2004 13:13:41 +0100 [thread overview]
Message-ID: <20040602121341.GA1023@infradead.org> (raw)
In-Reply-To: <5D3C2276FD64424297729EB733ED1F7606243695@email1.mitretek.org>
On Wed, Jun 02, 2004 at 08:04:06AM -0400, Piszcz, Justin Michael wrote:
> root@jpiszcz:~# mkdir /p500/dev
> root@jpiszcz:~# mount 192.168.0.253:/dev /p500/dev
> root@jpiszcz:~# echo blah > /p500/dev/null
> root@jpiszcz:~# ls -l /p500/dev/null
> crw-rw-rw- 1 root sys 1, 3 Jul 17 1994 /p500/dev/null
> root@jpiszcz:~# dd if=/dev/zero of=/p500/dev/null
>
> 6179737+0 records in
> 6179736+0 records out
>
> Instead it treats it as a local block device?
character device actually. Anyway, nfs never forwarded device files, the
protocol can't handle all the ioctl() variants anyway.
and how else would root on nfs work? :)
next prev parent reply other threads:[~2004-06-02 12:14 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-02 12:04 Piszcz, Justin Michael
2004-06-02 12:13 ` Christoph Hellwig [this message]
2004-06-02 12:19 ` Grzegorz Kulewski
2004-06-02 12:20 ` Måns Rullgård
2004-06-02 12:39 ` Richard B. Johnson
2004-06-02 20:37 ` Horst von Brand
2004-06-02 20:46 ` Arthur Perry
2004-06-02 12:27 Piszcz, Justin Michael
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