Date: Fri, 14 Nov 2003 22:18:37 -0600 From: "Matthew D. Fuller" <fullermd@over-yonder.net> To: Poul-Henning Kamp <phk@phk.freebsd.dk> Cc: arch@freebsd.org Subject: Re: newfs and mount vs. half-baked disks Message-ID: <20031115041837.GU12248@over-yonder.net> In-Reply-To: <4937.1068707682@critter.freebsd.dk> References: <20031113064251.GB39616@cirb503493.alcatel.com.au> <4937.1068707682@critter.freebsd.dk>
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On Thu, Nov 13, 2003 at 08:14:42AM +0100 I heard the voice of Poul-Henning Kamp, and lo! it spake thus: > >On Wed, Nov 12, 2003 at 09:56:14AM +0100, Poul-Henning Kamp wrote: > > > >How do you handle the situation when the master superblock on / is > >hosed and you need to find the filesystem parameters (in > >/etc/ufs.conf) before you can access /? > > I usually take great care to always newfs / with default parameters, > because then I can use newfs -N /dev/ad0a to see where the superblocks > are to be found. Doesn't always help much... My / has 8192/1024 block/frags, and I somehow expect other defaults things have changed since last I newfs'd it. -- Matthew Fuller (MF4839) | fullermd@over-yonder.net Systems/Network Administrator | http://www.over-yonder.net/~fullermd/ "The only reason I'm burning my candle at both ends, is because I haven't figured out how to light the middle yet"
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