Date: Wed, 12 Dec 2001 09:06:10 +1030 From: Greg Lehey <grog@FreeBSD.org> To: Warner Losh <imp@harmony.village.org> Cc: Terry Lambert <tlambert2@mindspring.com>, Nik Clayton <nik@FreeBSD.ORG>, Mike Smith <msmith@FreeBSD.ORG>, arch@FreeBSD.ORG, Marko Zec <zec@tel.fer.hr>, "Louis A. Mamakos" <louie@TransSys.COM>, Matthew Dillon <dillon@apollo.backplane.com>, Sheldon Hearn <sheldonh@starjuice.net>, freebsd-arch@FreeBSD.ORG Subject: Re: Getting rid of /usr file system (was: Using a larger block size on large filesystems) Message-ID: <20011212090610.D67986@monorchid.lemis.com> In-Reply-To: <200112110946.fBB9kMM26143@harmony.village.org> References: <20011210124458.B63585@monorchid.lemis.com> <20011208102658.B11428@dragon.nuxi.com> <200112082050.fB8Ko1T01347@mass.dis.org> <20011209164606.C83634@monorchid.lemis.com> <20011209104437.A69671@clan.nothing-going-on.org> <3C141A26.9D8BC688@mindspring.com> <200112110946.fBB9kMM26143@harmony.village.org>
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On Tuesday, 11 December 2001 at 2:46:22 -0700, Warner Losh wrote:
> In message <20011210124458.B63585@monorchid.lemis.com> Greg Lehey writes:
> : Well, I'm not forgetting this, I didn't know it. But it seems to make
> : sense. This was one of the things I mentioned earlier.
>
> I have had systems that have separate / and /usr, and others that have
> one big /. I don't mind so much that / and /usr are on the same
> partition by default, but I don't want to see us go to one big '/'.
> That does cause more problems than it solves (and makes it impossible
> to do fastish boots by kicking the fsck into the back ground).
> However, I've had occasion to have systems where / and /usr need to be
> separate partitions, so as long as we don't require them to be on the
> same partition, I'd say go for it.
>
> I suspect, however, that we'll find that crash recovery really is a
> big factor since /usr does get written to on every man command that
> generates a new man page...
That's pretty seldom.
$ find /usr/share/man/cat* -type f | wc -l
3277
$uname -v
FreeBSD 5.0-CURRENT #0: Sat Sep 30 17:31:17 CST 2000 grog@wantadilla.lemis.com:/src/FreeBSD/WANTADILLA/src/sys/compile/WANTADILLA
That's about 7.5 man pages per day. This is on my main machine, and I
suspect I use man pages more than most.
More to the point, how many broken /usr file systems have you *ever*
had with FreeBSD?
Greg
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