From owner-freebsd-current Sat Jan 25 10: 5: 9 2003 Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id AB51737B401; Sat, 25 Jan 2003 10:05:07 -0800 (PST) Received: from odin.ac.hmc.edu (Odin.AC.HMC.Edu [134.173.32.75]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1212743F5F; Sat, 25 Jan 2003 10:05:07 -0800 (PST) (envelope-from brdavis@odin.ac.hmc.edu) Received: from odin.ac.hmc.edu (IDENT:brdavis@localhost.localdomain [127.0.0.1]) by odin.ac.hmc.edu (8.12.3/8.12.3) with ESMTP id h0PI4Q6F028876; Sat, 25 Jan 2003 10:04:26 -0800 Received: (from brdavis@localhost) by odin.ac.hmc.edu (8.12.3/8.12.3/Submit) id h0PI4Qq2028875; Sat, 25 Jan 2003 10:04:26 -0800 Date: Sat, 25 Jan 2003 10:04:26 -0800 From: Brooks Davis To: David Schultz Cc: Greg Lehey , Andy Farkas , Thomas David Rivers , Robert Watson , current@FreeBSD.ORG Subject: Re: I've just had a massive file system crash Message-ID: <20030125100426.A28058@Odin.AC.HMC.Edu> References: <20030124093754.GD2402@sydney.worldwide.lemis.com> <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> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-md5; protocol="application/pgp-signature"; boundary="VbJkn9YxBvnuCH5J" Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <20030125070352.GA933@HAL9000.homeunix.com>; from dschultz@uclink.Berkeley.EDU on Fri, Jan 24, 2003 at 11:03:52PM -0800 X-Virus-Scanned: by amavisd-milter (http://amavis.org/) on odin.ac.hmc.edu Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG --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