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Date:      Thu, 20 Nov 2003 21:29:30 -0500
From:      Richard Coleman <richardcoleman@mindspring.com>
To:        "boyd, rounin" <boyd@insultant.net>
Cc:        current@freebsd.org
Subject:   Re: Unfortunate dynamic linking for everything
Message-ID:  <3FBD788A.4070809@mindspring.com>
In-Reply-To: <061f01c3afbd$4692a040$b9844051@insultant.net>
References:  <Pine.NEB.3.96L.1031118233432.99345H-100000@fledge.watson.org><p06002033bbe0acb7b8c0@[128.113.24.47]> <2147483647.1069240727@[192.168.42.6]> <20031120095214.GA68334@server.vk2pj.dyndns.org> <050d01c3afa8$1dfb97a0$b9844051@insultant.net> <156539179.20031121001033@andric.com> <061f01c3afbd$4692a040$b9844051@insultant.net>

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boyd, rounin wrote:

> From: "Dimitry Andric" <dimitry@andric.com>
> 
>     % sudo ldd /sbin/init
>     /sbin/init:
>         libutil.so.3 => /lib/libutil.so.3 (0x28074000)
>         libcrypt.so.2 => /lib/libcrypt.so.2 (0x2807f000)
>         libc.so.5 => /lib/libc.so.5 (0x28097000)
> 
>     Yes, working fine here. What should the problem be?
> 
> the day /lib gets smashed.
> 
> you're building a house of cards.  once, if /etc/init and
> /bin/sh and some other pieces where in place a smashed
> file-system could be easily fixed.  now you have to have
> 3 shared libs and a viable /lib.
> 
> do you want systems that work?  or houses of cards?

I would prefer to solve this problem using a fixit floppy or cdrom 
anyways.  I don't think that creates a house of cards.  My systems work 
just fine.

But I've often wondered how frequently a production system has such 
problems.  I've been a sysadmin for many years and can't remember this 
ever happening.  It's much more common to blow a hard drive, or have 
flaky memory, etc.

Richard Coleman
richardcoleman@mindspring.com




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