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Date:      Fri, 3 Jan 2003 16:43:23 +0100
From:      Thomas Seck <tmseck-lists@netcologne.de>
To:        freebsd-stable@FreeBSD.ORG
Subject:   Re: FreeBSD Stability
Message-ID:  <20030103154323.GA454@laurel.tmseck.homedns.org>
In-Reply-To: <20030103084232.GA3371@localhost.bsd.net.il>
References:  <200212170023.gBH0Nvlu000764@beast.csl.sri.com> <20030103000232.GA52181@blazingdot.com> <Pine.GSO.4.51.0301021738490.19685@xmission.xmission.com> <20030103062708.GA426@laurel.tmseck.homedns.org> <20030103084232.GA3371@localhost.bsd.net.il>

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* Nimrod Mesika (nimrod-me@bezeqint.net):

[Uptime]

> Think about compute servers. Our CAD servers can run simulations and
> other types of processes for ~40 hours. You definitely don't want to
> interrupt a running system and it finding some idle time for service
> gets really difficult.

Of course not. But these are probably neither publicly accessible nor
'monitored' by Netcraft and thus not subject to public 'uptime-size'
wars.

> Would be nice if you could upgrade subsystems one at a time. This
> way one could, for example,  shutdown the network subsystem, load
> the new version and restart it.

Sounds like what microkernels were designed for.

> And uptimes are not important. Downtimes *are*.

Yes. Especially the unscheduled ones.

     --Thomas

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