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Date: Sun, 4 Sep 2005 07:20:52 +0300
From: Giorgos Keramidas <keramida@ceid.upatras.gr>
To: Yuan Jue <yuanjue122@163.com>
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Cc: freebsd-questions@freebsd.org
Subject: Re: Reinstalling the standard boot manager
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On 2005-09-04 09:31, Yuan Jue <yuanjue122@163.com> wrote:
> On Sunday 04 September 2005 08:53, Yuan Jue wrote:
> >  boot0cfg -v -B /dev/ad0
>
> when doing this, I got a message:
> boot0cfg: write_mbr: /dev/ad0: No such file or directory
> I use it as root and my disk is ad0. What did I do wrong?

Check that:

  a) you are not running this inside a jail (/dev/ad0 may not be
     visible inside a jail)

  b) ad0 is really the disk, and not ad1 or something else

If that fails to uncover the cause of the error, then run truss or
ktrade on boot0cfg and send me the dump.