Date: Wed, 07 Feb 2001 09:12:12 +0100 From: Poul-Henning Kamp <phk@critter.freebsd.dk> To: Greg Black <gjb@gbch.net> Cc: Matt Dillon <dillon@earth.backplane.com>, freebsd-hackers@FreeBSD.ORG Subject: Re: soft updates and qmail (RE: qmail IO problems) Message-ID: <41626.981533532@critter> In-Reply-To: Your message of "Wed, 07 Feb 2001 18:09:10 %2B1000." <nospam-3a8102a6ad0a69e@maxim.gbch.net>
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In message <nospam-3a8102a6ad0a69e@maxim.gbch.net>, Greg Black writes: >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? I think that file is obsolete by now. I also think we should make newfs turn softupdates on by default in -current. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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