Date: 08 Dec 2000 23:16:38 -0500 From: Nat Lanza <magus@cs.cmu.edu> To: Warner Losh <imp@village.org> Cc: "Steven D. Smith" <sds07@health.state.ny.us>, freebsd-stable@FreeBSD.ORG Subject: Re: Softupdates? Message-ID: <uoc66kuqleh.fsf@hurlame.pdl.cs.cmu.edu> In-Reply-To: Warner Losh's message of "Fri, 08 Dec 2000 00:21:54 -0700" References: <200012071528.KAA19604@gate1.health.state.ny.us> <200012080721.AAA10166@harmony.village.org>
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Warner Losh <imp@village.org> writes: > Briefly, they are a way of combining writes to disk so that fewer > writes happen for meta data. There's also the "and ordering writes so that the disk is left in a consistent state after each write, preventing filesystem damage in a crash without the slowdown associated with a synchronous filesystem" part, which I think is really most important. --nat -- nat lanza --------------------- research programmer, parallel data lab, cmu scs magus@cs.cmu.edu -------------------------------- http://www.cs.cmu.edu/~magus/ there are no whole truths; all truths are half-truths -- alfred north whitehead To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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