Date: Fri, 21 Sep 2001 10:36:16 -0700 (PDT) From: Matt Dillon <dillon@earth.backplane.com> To: j mckitrick <jcm@freebsd-uk.eu.org> Cc: Mike Meyer <mwm@mired.org>, "Daniel O'Connor" <doconnor@gsoft.com.au>, Kevin Oberman <oberman@es.net>, stable@freebsd.org Subject: Re: RE: hw.ata.wc && hw.ata.tags && softupdates short question Message-ID: <200109211736.f8LHaGO71153@earth.backplane.com> References: <XFMail.20010921121832.doconnor@gsoft.com.au> <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>
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:| :| 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
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