From owner-freebsd-questions Wed Jul 26 4:24:30 2000 Delivered-To: freebsd-questions@freebsd.org Received: from mail.rdc1.tn.home.com (ha1.rdc1.tn.home.com [24.2.7.66]) by hub.freebsd.org (Postfix) with ESMTP id 6B61937BEBB for ; Wed, 26 Jul 2000 04:24:25 -0700 (PDT) (envelope-from williamsl@home.com) Received: from RELIABLE ([24.4.115.31]) by mail.rdc1.tn.home.com (InterMail vM.4.01.02.00 201-229-116) with ESMTP id <20000726112424.QZKC25440.mail.rdc1.tn.home.com@RELIABLE>; Wed, 26 Jul 2000 04:24:24 -0700 Date: Wed, 26 Jul 2000 07:24:30 -0400 From: Ben Williams X-Mailer: The Bat! (v1.45) Personal Organization: Williams Enterprises X-Priority: 3 (Normal) Message-ID: <1343183987.20000726072430@home.com> To: Andy Farkas Cc: freebsd-questions@FreeBSD.ORG Subject: Re[4]: troublesome log messages In-reply-To: References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Quoting Andy Farkas Wednesday, July 26, 2000 > On Wed, 26 Jul 2000, Ben Williams wrote: >> > # dd if=/dev/wd0s1c of=/dev/null bs=64k >> >> The disk on that system are laid out like: >> >> $ mount >> /dev/wd0a on / (local) >> /dev/wd0s1e on /tmp (local) >> >> Will the slices interfere with the dd command? This is a production >> machine so I don't want to take any chances. > I shouldv'e explained this a bit further, sorry. > What you are trying to do with the dd command is read the entire disk and > look for i/o errors on the console. The wd0s1c slice is the entire disk, > but I can't remember if just /dev/wd0 will also work. Again, you are just > trying to cause FreeBSD to read every sector on the disk, ala scandisk. > It won't really affect the system, other than major seeking when other > procs do disk i/o. OK, thanks. I just wanted to make sure before I did something possibly dangerous. > If this is a production system, I strongly suggest you start backing up! > :-) Yea, umm .. well ... you see that's another issue. }8-/ I've been trying to find a way to actually USE a on another system to do (network) backups for all of the critical machines for a little over a month now. /snippage/ > Depends on what the box does. I don't think there is any correlation > between uptime and faults. Ok. I wont worry about "faults" w/r vm then. /snippage/ > Uptimes are meaningless, or prove that you don't upgrade... > 9:06PM up 360 days, 18:45, 1 user, load averages: 0.00, 0.00, 0.00 > 257144160 total VM faults taken > It runs 2.2.7-release. But enough spanking the monkey... 8-)) /snippage/ --Ben Williams mailto:received@email dot com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message