From owner-freebsd-questions@FreeBSD.ORG Sun Feb 22 02:24:13 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 31E5716A4CE for ; Sun, 22 Feb 2004 02:24:13 -0800 (PST) Received: from antsrv1.ant.uni-bremen.de (antsrv1.ant.uni-bremen.de [134.102.176.16]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0072843D1F for ; Sun, 22 Feb 2004 02:24:13 -0800 (PST) (envelope-from rebehn@ant.uni-bremen.de) Received: from europa.ant.uni-bremen.de ([134.102.176.10] helo=ant.uni-bremen.de) by antsrv1.ant.uni-bremen.de with esmtp (Exim 4.30; FreeBSD) id 1AuqmR-0000OM-Nl; Sun, 22 Feb 2004 11:24:11 +0100 Message-ID: <40388FF1.4000004@ant.uni-bremen.de> Date: Sun, 22 Feb 2004 11:18:09 +0000 From: Heinrich Rebehn User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6) Gecko/20040212 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Lowell Gilbert References: <4037A0BB.8030807@ant.uni-bremen.de> <44n07c85md.fsf@be-well.ilk.org> In-Reply-To: <44n07c85md.fsf@be-well.ilk.org> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit cc: questions@freebsd.org Subject: Re: UNEXPECTED SOFTUPDATES INCONSISTENCY X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 22 Feb 2004 10:24:13 -0000 Lowell Gilbert wrote: > Heinrich Rebehn writes: > > >>I have had the above error 2 times now during fsck after an unclean >>shutdown. fsck -y yielded tons of entries in lost+found. >>man (7) tuning says that softupdates guarantees filesystem consistency >>in case of crash, but thousands of lost files tell a different story. >>Did i miss anything? Or should i disable softupdates for important data? > > > Make sure you've disabled write caching on the drive firmware > itself... Does this also apply for RAID disks (twe)? Also, there is no word about this in man tuning(7). Is this more of a guess or is softupdates definately dangerous with wite cache enabled? I have also used softupdates with 4.9 and did not get these errors. > > >>The system is running FreeBSD 5.2.1-RC2 > > > I hope you have read the Early Adopter's Guide: > http://www.freebsd.org/releases/5.2R/early-adopter.html Yes i have and after asking others on this list, got the impression that 5.2 is usable for the most common hardware and applications. But now i am seriously considering going back to 4.9 Thanks very much for your reply :-) Heinrich