From owner-freebsd-stable Thu Mar 15 11:51:13 2001 Delivered-To: freebsd-stable@freebsd.org Received: from point.osg.gov.bc.ca (point.osg.gov.bc.ca [142.32.102.44]) by hub.freebsd.org (Postfix) with ESMTP id 104AA37B71D; Thu, 15 Mar 2001 11:51:02 -0800 (PST) (envelope-from Cy.Schubert@uumail.gov.bc.ca) Received: (from daemon@localhost) by point.osg.gov.bc.ca (8.8.7/8.8.8) id LAA23598; Thu, 15 Mar 2001 11:50:54 -0800 Received: from passer.osg.gov.bc.ca(142.32.110.29) via SMTP by point.osg.gov.bc.ca, id smtpda23596; Thu Mar 15 11:50:34 2001 Received: (from uucp@localhost) by passer.osg.gov.bc.ca (8.11.2/8.9.1) id f2FJoOg37579; Thu, 15 Mar 2001 11:50:24 -0800 (PST) Received: from cwsys9.cwsent.com(10.2.2.1), claiming to be "cwsys.cwsent.com" via SMTP by passer9.cwsent.com, id smtpdq37567; Thu Mar 15 11:49:33 2001 Received: (from uucp@localhost) by cwsys.cwsent.com (8.11.3/8.9.1) id f2FJnVF13620; Thu, 15 Mar 2001 11:49:31 -0800 (PST) Message-Id: <200103151949.f2FJnVF13620@cwsys.cwsent.com> Received: from localhost.cwsent.com(127.0.0.1), claiming to be "cwsys" via SMTP by localhost.cwsent.com, id smtpdk13545; Thu Mar 15 11:49:29 2001 X-Mailer: exmh version 2.3.1 01/18/2001 with nmh-1.0.4 Reply-To: Cy Schubert - ITSD Open Systems Group From: Cy Schubert - ITSD Open Systems Group X-Sender: schubert To: David Kelly Cc: Pete French , mobile@FreeBSD.ORG, sos@freebsd.dk, stable@FreeBSD.ORG Subject: Re: Disk I/O problem in 4.3-BETA In-reply-to: Your message of "Tue, 13 Mar 2001 22:04:23 CST." <200103140404.f2E44Ne16415@grumpy.dyndns.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Thu, 15 Mar 2001 11:49:29 -0800 Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG In message <200103140404.f2E44Ne16415@grumpy.dyndns.org>, David Kelly writes: > Pete French writes: > > All very interesting, but a small point has been forgotten > > hasnt it ? The way I read this thread is that until recentlly > > write-caching was enabled by default and has now been disabled (hence > > the original obseravtion of disc performance dropping). > > > > I havent noticed that FreeBSD has a bad reputation for loss of data > > in the event of am power outage, and my own experience backs this up. > > As so many people appear to have been running it this way by default until > > now you might have though that if it were a serious problem in reality then > > people would have noticed by now ? > > Well, I am an ex-Linux user who got fed up with Linux trashing my disk 3 > times one week. Each time (kernel panics) the damage was bad enough fsck > (e2fsck?) deleted a lot of critical files making a wipe/reinstall the > fastest way back to a running system. This was shortly after the release > of FreeBSD 2.0.0. Remember it well because that is when I became a > FreeBSD user. Hmm, probably 6 years ago this month. That's the same reason I switched from Linux to FreeBSD 2.0.5 5 or 6 years ago. > Have watched Linux from "outside" since then. Noticed I was not the > only one losing data. From what I've seen the Linux solution was not to > to fix a faulty design but to hack it until it doesn't lose as much. > > Linux was/is very proud of their ext2fs speed. Clearly at the expense of > reliability. Oddly enough that machine got 600k Bytes/sec thruput on > Linux, but 900k Bytes/sec on FreeBSD 2.0.0-RELEASE. 240 MB Western > Digital IDE drive. > > IMO the most reliable settings are the correct thing to do in spite of > simpleminded magazine authors who will "do a shootout" of Linux vs. > FreeBSD using only the stock settings. This is one of the three big reasons we (at our shop) are migrating our infrastructure servers (kerberos, console, file, web, firewall/proxy, etc.) from Linux to FreeBSD. As Linux (specifically RedHat) comes with more toys, bells and whistles, Linux will remain our desktop standard, not to mention the sure-to-be-lost political battle. Regards, Phone: (250)387-8437 Cy Schubert Fax: (250)387-5766 Team Leader, Sun/Alpha Team Internet: Cy.Schubert@osg.gov.bc.ca Open Systems Group, ITSD, ISTA Province of BC To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message