Date: Sat, 25 Jan 2003 10:04:26 -0800 From: Brooks Davis <brooks@one-eyed-alien.net> To: David Schultz <dschultz@uclink.Berkeley.EDU> Cc: Greg Lehey <grog@FreeBSD.ORG>, Andy Farkas <andyf@speednet.com.au>, Thomas David Rivers <rivers@dignus.com>, Robert Watson <rwatson@FreeBSD.ORG>, current@FreeBSD.ORG Subject: Re: I've just had a massive file system crash Message-ID: <20030125100426.A28058@Odin.AC.HMC.Edu> In-Reply-To: <20030125070352.GA933@HAL9000.homeunix.com>; from dschultz@uclink.Berkeley.EDU on Fri, Jan 24, 2003 at 11:03:52PM -0800 References: <20030124093754.GD2402@sydney.worldwide.lemis.com> <Pine.NEB.3.96L.1030124110543.43965D-100000@fledge.watson.org> <20030124093754.GD2402@sydney.worldwide.lemis.com> <200301241153.h0OBrf654388@lakes.dignus.com> <20030124093754.GD2402@sydney.worldwide.lemis.com> <20030124203116.H62832-100000@hewey.af.speednet.com.au> <20030125043817.GD929@sydney.worldwide.lemis.com> <20030125070352.GA933@HAL9000.homeunix.com>
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--VbJkn9YxBvnuCH5J Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Jan 24, 2003 at 11:03:52PM -0800, David Schultz wrote: > FreeBSD's ``fix'' for this problem is the same as Windows 98's. > Specifically, there is a 5-second delay (tuneable: > kern.shutdown.poweroff_delay) after all buffers are flushed but > before the power is cut. Maybe we ought to be sending FLUSH > CACHE commands to all drives and waiting for them to finish. I've heard is longer then 5sec on more recent systems like 2000 or XP. I even heard one claim that some shops were using 30sec internally. -- Brooks --=20 Any statement of the form "X is the one, true Y" is FALSE. PGP fingerprint 655D 519C 26A7 82E7 2529 9BF0 5D8E 8BE9 F238 1AD4 --VbJkn9YxBvnuCH5J Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQE+MtGpXY6L6fI4GtQRAuQMAKDD1L6fTDdvlzX0CbRi8JNsmX0WJQCcD4WC 9JOqM6h0ODmkaB/yb0PrJkw= =/L73 -----END PGP SIGNATURE----- --VbJkn9YxBvnuCH5J-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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