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Date:      Wed, 09 Aug 2006 18:01:54 +0100
From:      Howard Jones <howie@thingy.com>
To:        "Marc G. Fournier" <scrappy@freebsd.org>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: BSDstats Project v2.0 ...
Message-ID:  <44DA1502.2040803@thingy.com>
In-Reply-To: <20060809134007.U7522@ganymede.hub.org>
References:  <20060807003815.C7522@ganymede.hub.org>	<20060808102819.GB64879@augusta.de>	<20060808153921.V7522@ganymede.hub.org> <44D8EC98.8020801@utdallas.edu>	<20060808201359.S7522@ganymede.hub.org> <44D91F02.90107@mawer.org>	<20060808212719.L7522@ganymede.hub.org>	<20060809072313.GA19441@sysadm.stc>	<ef10de9a0608090341l696b6ea3s2187f4b0a9b5fa6e@mail.gmail.com>	<20060809105404.GC19441@sysadm.stc> <44DA0715.1020507@utdallas.edu>	<20060809130634.S7522@ganymede.hub.org> <44DA0DDF.40300@thingy.com> <20060809134007.U7522@ganymede.hub.org>

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Marc G. Fournier wrote:

> Right, and the bad thing is if yu alias another IP on that device, the
> hash totally changes, so we see that one host now as being two different
> ones :)  That's why we disqualified using ifconfig right at the
> beginning ...

But didn't you say that you effectively wipe the database once a month,
(or expire entries over that age)? I can't find the post that mentioned
that now, naturally... :-) if you aren't using the 'key' as a database
key, then what do you care that it changes as long as it uniquely
identifies the system (which it definitely would)?

I don't know how typical I am, but I don't really remember the last time
I added an IP alias on a running server, for our few dozen production
systems. I would imagine that those types of changes might well be lost
of systems coming and going.





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