Date: Tue, 19 Oct 1999 00:08:24 -0700 From: Brooks Davis <brooks@one-eyed-alien.net> To: "Ronald F. Guilmette" <rfg@monkeys.com> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Stupid file system tricks. Message-ID: <19991019000824.A2650@orion.ac.hmc.edu> In-Reply-To: <5547.940301936@monkeys.com>; from rfg@monkeys.com on Mon, Oct 18, 1999 at 07:58:56PM -0700 References: <5547.940301936@monkeys.com>
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On Mon, Oct 18, 1999 at 07:58:56PM -0700, Ronald F. Guilmette wrote:
>
> Dumb question #1:
>
> Why can't I mount a single physical (ufs) file system in two different
> (logical) places at once?
I don't have a good answer for that. I believe it would lead to nasty
consistency problems because files would be represented twice.
> Dumb question #2:
>
> Given that I can't mount a (ufs) filesystem in two different places at
> once (perhaps because that would create some problem with synchronizing
> any writes to the filesystem and/or some problems with keeping in-core
> buffers always synched with what's on disk), why can't I at least mount
> a given filesystem *READ ONLY* in two different places at once?
You might be able to use mount_null(8) to accomplish the desired effect.
-- Brooks
--
"Those who desire to give up freedom in order to gain security, will not
have, nor do they deserve, either one"
--Thomas Jefferson
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