From owner-freebsd-stable Fri Sep 21 10:37:40 2001 Delivered-To: freebsd-stable@freebsd.org Received: from earth.backplane.com (earth-nat-cw.backplane.com [208.161.114.67]) by hub.freebsd.org (Postfix) with ESMTP id B147837B411 for ; Fri, 21 Sep 2001 10:37:32 -0700 (PDT) Received: (from dillon@localhost) by earth.backplane.com (8.11.6/8.11.2) id f8LHaGO71153; Fri, 21 Sep 2001 10:36:16 -0700 (PDT) (envelope-from dillon) Date: Fri, 21 Sep 2001 10:36:16 -0700 (PDT) From: Matt Dillon Message-Id: <200109211736.f8LHaGO71153@earth.backplane.com> To: j mckitrick Cc: Mike Meyer , "Daniel O'Connor" , Kevin Oberman , stable@freebsd.org Subject: Re: RE: hw.ata.wc && hw.ata.tags && softupdates short question References: <200109210329.f8L3TGR30860@ptavv.es.net> <20010920211704.C7820@gateway.bogus> <15274.48864.994229.51687@guru.mired.org> <200109210549.f8L5n6r67664@earth.backplane.com> <20010921122805.A78591@dogma.freebsd-uk.eu.org> <200109211726.f8LHQ3h70907@earth.backplane.com> <20010921183212.A81649@dogma.freebsd-uk.eu.org> Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG :| :| Write caching is turned on by default in 4.4, so all you need to mess :| with is softupdates. In a laptop environment, softupdates will not : : :But you *could* choose one or the other, but not both, correct? : :jm You can choose one or the other, neither, or both. I typically run my laptop with softupdates turned on and write caching also turned on. A somewhat safer configuration would be softupdates turned off and write caching turned on, but not because softupdates and write caching might conflict. They don't. Only because softupdates itself delays meta-data I/O and more work can be lost if a crash occurs then otherwise. -Matt To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message