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Date:      Wed, 4 Jun 2003 08:21:56 -0700
From:      Brooks Davis <brooks@one-eyed-alien.net>
To:        "Daniel C. Sobral" <dcs@tcoip.com.br>
Cc:        arch@freebsd.org
Subject:   Re: Making a dynamically-linked root
Message-ID:  <20030604152156.GB25240@Odin.AC.HMC.Edu>
In-Reply-To: <3EDDF732.1060606@tcoip.com.br>
References:  <20030603113927.I71313@cvs.imp.ch> <16092.35144.948752.554975@grasshopper.cs.duke.edu> <20030603115432.EGLB13328.out002.verizon.net@kokeb.ambesa.net> <20030603122226.BGPM11703.pop018.verizon.net@kokeb.ambesa.net> <3EDD81A4.B6F83135@mindspring.com> <3EDDF732.1060606@tcoip.com.br>

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On Wed, Jun 04, 2003 at 10:42:10AM -0300, Daniel C. Sobral wrote:
> Terry Lambert wrote:
> >Mike Makonnen wrote:
> >
> >>2. What happens if I hose one of the libraries?
> >
> >I always love this one.  The same thing that happens if you hose
> >your shell, any of your kernel modules get corruptes, you hose
> >your kernel, you hose any of the files that the boot loader looks
> >in before actually loading the kernel, you hose init, or you hose
> >mount, or any one of dozens of other files.
> >
> >It's not like linking shared gives you any kind of statistically
> >significant increase in the number of single points of failure or
> >the overall MTBF for the overall system.
>=20
> It doesn't? If /bin/sh is hosed, I use /bin/csh. If /bin/ls is hosed, I=
=20
> use 'echo *'. If /boot/kernel/kernel gets hosed, I use=20
> /boot/kernel.old/kernel. If a module gets hosed, I don't load it or use=
=20
> the one in kernel.old. And so forth.
>=20
> If libc gets hosed, *ALL* programs stop working.
>=20
> So, I did not have any single point of failure for single file=20
> corruption before. Now I do. But you claim there was not significant=20
> increase, statistically speaking. Could you please point out what am I=20
> missing?

/rescue/sh

-- Brooks

--=20
Any statement of the form "X is the one, true Y" is FALSE.
PGP fingerprint 655D 519C 26A7 82E7 2529  9BF0 5D8E 8BE9 F238 1AD4

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