From owner-freebsd-questions@FreeBSD.ORG Mon Mar 17 20:14:49 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 62F90106566B for ; Mon, 17 Mar 2008 20:14:49 +0000 (UTC) (envelope-from freebsd-questions@slightlystrange.org) Received: from mtaout01-winn.ispmail.ntl.com (mtaout01-winn.ispmail.ntl.com [81.103.221.47]) by mx1.freebsd.org (Postfix) with ESMTP id EB51F8FC2D for ; Mon, 17 Mar 2008 20:14:48 +0000 (UTC) (envelope-from freebsd-questions@slightlystrange.org) Received: from aamtaout02-winn.ispmail.ntl.com ([81.103.221.35]) by mtaout01-winn.ispmail.ntl.com with ESMTP id <20080317201714.FXWS16169.mtaout01-winn.ispmail.ntl.com@aamtaout02-winn.ispmail.ntl.com> for ; Mon, 17 Mar 2008 20:17:14 +0000 Received: from catflap.slightlystrange.org ([86.6.1.242]) by aamtaout02-winn.ispmail.ntl.com with ESMTP id <20080317201636.BIVY17393.aamtaout02-winn.ispmail.ntl.com@catflap.slightlystrange.org> for ; Mon, 17 Mar 2008 20:16:36 +0000 Received: by catflap.slightlystrange.org (Postfix, from userid 106) id 320AE6170; Mon, 17 Mar 2008 20:14:45 +0000 (GMT) Received: from torus.slightlystrange.org (torus.slightlystrange.org [10.1.3.50]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by catflap.slightlystrange.org (Postfix) with ESMTP id 4D51A613F for ; Mon, 17 Mar 2008 20:14:44 +0000 (GMT) Received: (from danielby@localhost) by torus.slightlystrange.org (8.14.2/8.13.4/Submit) id m2HKEgQN026891 for freebsd-questions@freebsd.org; Mon, 17 Mar 2008 20:14:42 GMT (envelope-from freebsd-questions@slightlystrange.org) Date: Mon, 17 Mar 2008 20:14:42 +0000 From: Daniel Bye To: freebsd-questions@freebsd.org Message-ID: <20080317201442.GA26672@torus.slightlystrange.org> Mail-Followup-To: freebsd-questions@freebsd.org References: <47DE312E.2030209@esiee.fr> <20080317201730.G88797@wojtek.tensor.gdynia.pl> <200803171934.06136.lists-fbsd@shadypond.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="UugvWAfsgieZRqgk" Content-Disposition: inline In-Reply-To: <200803171934.06136.lists-fbsd@shadypond.com> User-Agent: Mutt/1.4.2.3i X-PGP-Fingerprint: D349 B109 0EB8 2554 4D75 B79A 8B17 F97C 1622 166A X-Operating-System: FreeBSD 7.0-RELEASE i386 Subject: Re: Does softupdate help squid ? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Daniel Bye List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 17 Mar 2008 20:14:49 -0000 --UugvWAfsgieZRqgk Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Mar 17, 2008 at 07:34:04PM +0000, Pollywog wrote: > On Monday 17 March 2008 19:17:58 Wojciech Puchar wrote: > > > Hello > > > > > > I'm setting up a squid cache (3.0.2) machine FreeBSD 7.0 based and I > > > wonder if softupdates could help (make it faster ) or not the cache > > > partition ? > > > > i would say it's absolutely needed. > > > > anyway - any reason to not use soft updates on every filesystem? >=20 > What exactly is a soft update? It's a bit like a hard update, but it won't hurt your disks as much if your system crashes... ;-P On a more serious note, it's a technique for ensuring the integrity of disks after a system crash or power failure. Like journalling, they=20 don't guarantee data won't be lost, but instead that the disks will be=20 in a consistent state at recovery. There are many many papers on the subject on the web, if you're=20 interested. Dan =20 --=20 Daniel Bye _ ASCII ribbon campaign ( ) - against HTML, vCards and X - proprietary attachments in e-mail / \ --UugvWAfsgieZRqgk Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) iD8DBQFH3tEyixf5fBYiFmoRAscxAJ9GhLxD7i4Ip+akLlTrYuPD5AI4kwCdHnZN kF8jNLEjwYuthPD9qpq3bQw= =0o3L -----END PGP SIGNATURE----- --UugvWAfsgieZRqgk--