From owner-freebsd-stable Fri Aug 30 15:17:41 2002 Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 83B3337B400 for ; Fri, 30 Aug 2002 15:17:37 -0700 (PDT) Received: from mail19b.rapidsite.net (mail19b.rapidsite.net [161.58.134.134]) by mx1.FreeBSD.org (Postfix) with SMTP id DDF8243E65 for ; Fri, 30 Aug 2002 15:17:36 -0700 (PDT) (envelope-from rob@pythonemproject.com) Received: from www.pythonemproject.com (198.104.176.109) by mail19b.rapidsite.net (RS ver 1.0.63s) with SMTP id 0120186199 for ; Fri, 30 Aug 2002 18:26:04 -0400 (EDT) Message-ID: <3D6FEEC3.54446F76@pythonemproject.com> Date: Fri, 30 Aug 2002 15:16:36 -0700 From: Rob X-Mailer: Mozilla 4.79 [en] (X11; U; Linux 2.4.2 i386) X-Accept-Language: en MIME-Version: 1.0 To: "stable@freebsd.org" Subject: Re: Updating world with least downtime References: <20020830211107.8251F5D06@ptavv.es.net> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Loop-Detect: 1 Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Hehe, on my new Dell 8200 w 2Ghz P4, DDR, and 5400rpm drive its fast enough that I'd be wasting my time measuring it :) Rob. Kevin Oberman wrote: > > > Date: Fri, 30 Aug 2002 15:40:31 -0500 > > From: "Jack L. Stone" > > Sender: owner-freebsd-stable@FreeBSD.ORG > > > > At 01:26 PM 8.30.2002 -0700, Brooks Davis wrote: > > >On Fri, Aug 30, 2002 at 03:07:14PM -0500, Jack L. Stone wrote: > > >> Yes, that's what I do after taking an image of the drive and also using the > > >> "build box" as the first test to see if everything works okay. Downtime is > > >> only a matter of seconds... riskier, yes, but acceptable with the image to > > >> fall back on. Dropping to the single-user mode causes a downtime of about > > >> 30 minutes otherwise on a 1.4G CPU machine... longer on slower machines. > > >> Everthing is now done via scripts. > > > > > >If it's taking that long, it's got some serious problems even with the > > >rediculous post times many boards have today. My laptop (with 3400RPM > > >disk) takes <15. > > > > > >-- Brooks > > > > > > > I don't believe your laptop does installworld, mergemaster, etc all in 15 > > minutes.... we must must be talking different things.... > > For a modern system and a reasonable disk, this is trivial. I have a > system which MUST not be down for over 15 minutes and I can do it > quite easily unless I really fumble something in mergemaster. I do > always merge a few files later and tend to install most changes very > quickly, having ode the same upgrade on a non-critical system just > before I do the critical one so I know what to expect. > > The actual installworld time on my 1GHZ system is about 5 minutes > (5:34 last time). > > R. Kevin Oberman, Network Engineer > Energy Sciences Network (ESnet) > Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab) > E-mail: oberman@es.net Phone: +1 510 486-8634 > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-stable" in the body of the message -- ----------------------------- The Numeric Python EM Project www.pythonemproject.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message