From owner-freebsd-hackers Wed Feb 7 0: 9:59 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from gw.gbch.net (gw.gbch.net [203.24.22.66]) by hub.freebsd.org (Postfix) with SMTP id 58D2437B401 for ; Wed, 7 Feb 2001 00:09:23 -0800 (PST) Received: (qmail 42697 invoked by uid 1001); 7 Feb 2001 18:09:10 +1000 X-Posted-By: GJB-Post 2.12 07-Feb-2001 X-Operating-System: FreeBSD 4.1-RELEASE i386 X-URL: http://www.gbch.net/gjb/ X-Image-URL: http://www.gbch.net/gjb/img/gjb-auug048.gif X-PGP-Fingerprint: 5A91 6942 8CEA 9DAB B95B C249 1CE1 493B 2B5A CE30 X-PGP-Public-Key: http://www.gbch.net/gjb/gjb-pgpkey.asc Message-Id: Date: Wed, 07 Feb 2001 18:09:10 +1000 From: Greg Black To: Matt Dillon Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: soft updates and qmail (RE: qmail IO problems) References: <200102061759.f16Hxv662437@earth.backplane.com> In-reply-to: <200102061759.f16Hxv662437@earth.backplane.com> of Tue, 06 Feb 2001 09:59:57 PST Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Matt Dillon wrote: > And, I would say, that for any mailer creating and deleting files in > a spool directory at a high rate, *ONLY* a filesystem with softupdates > turned on or a journaling filesystem such as XFS or ReiserFS can be > considered crash-surviveable. Synchronous meta-data updates will not > save you (EXT2FS or FFS without softupdates). It seems to me that you're saying that softupdates is now the recommended way to go -- so why does 4.2-Release still have the dire warnings in /sys/ufs/ffs/README.softupdates? Is that file obsolete, or do the warnings still apply? Greg To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message