From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1MYGDV-0000va-GQ for garchives@archives.gentoo.org; Tue, 04 Aug 2009 09:21:57 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 02D1FE01DB; Tue, 4 Aug 2009 09:21:56 +0000 (UTC) Received: from mail-ew0-f210.google.com (mail-ew0-f210.google.com [209.85.219.210]) by pigeon.gentoo.org (Postfix) with ESMTP id BA712E01DB for ; Tue, 4 Aug 2009 09:21:55 +0000 (UTC) Received: by ewy6 with SMTP id 6so415099ewy.34 for ; Tue, 04 Aug 2009 02:21:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=domainkey-signature:received:received:from:to:subject:date :user-agent:references:in-reply-to:mime-version:content-type :content-transfer-encoding:message-id; bh=/6k6tKc5iCNwJukERAXFSDwnKv56JaQr/XaFWYJuqQc=; b=NVCSWF9rSQ0zvdnrf50I23CKxa7D7pxWqiBLa1tnLtpkXYx3VAH4mOHsiWGydXHHgI UnVpgfMBAbW35aZOJV3z82/tVfD0hBu7SJvrjhNgwZPjd3ngtyAXnCHOlKz0+P4C6u0/ wUiNNrg80+QOnSgmdpXlOTRh4W2br3Aiy7Aco= DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=gamma; h=from:to:subject:date:user-agent:references:in-reply-to:mime-version :content-type:content-transfer-encoding:message-id; b=IJpy3hYBNgCjLGvo5PY6HXCZxfzy/Jm2JTzMJRXO5aAfSUdeCXa/wpBFE6ImCuzzIE /Nrd2HhahZk+XhWmYT2C55l/lJspKlYggpjXQUaKdnn7/kvl+vtm3GOygZD0CaxtYn98 RthNXk67MR9RV4nAG0jsrlzFGF834aN91Ixr8= Received: by 10.216.88.65 with SMTP id z43mr1449215wee.5.1249377714913; Tue, 04 Aug 2009 02:21:54 -0700 (PDT) Received: from energy.localnet (energy.heim10.tu-clausthal.de [139.174.197.94]) by mx.google.com with ESMTPS id p37sm27685169gvf.27.2009.08.04.02.21.53 (version=TLSv1/SSLv3 cipher=RC4-MD5); Tue, 04 Aug 2009 02:21:54 -0700 (PDT) From: Volker Armin Hemmann To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] Re: Anybody tried shake defragmenter? Date: Tue, 4 Aug 2009 11:21:49 +0200 User-Agent: KMail/1.12.90 (Linux/2.6.30.4r4; KDE/4.3.62; x86_64; ; ) References: <49bf44f10908031322y2b06b5ffx76ecb27092b9edfa@mail.gmail.com> <200908032350.16720.alan.mckinnon@gmail.com> In-Reply-To: <200908032350.16720.alan.mckinnon@gmail.com> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200908041121.50032.volkerarmin@googlemail.com> X-Archives-Salt: df02b6c1-6e34-4f7a-9770-a61cdb66501e X-Archives-Hash: 929b708889c3cffa4283ad24db05d13c On Montag 03 August 2009, Alan McKinnon wrote: > On Monday 03 August 2009 23:16:05 Grant Edwards wrote: > > On 2009-08-03, Alan McKinnon wrote: > > > On Monday 03 August 2009 23:05:02 Paul Hartman wrote: > > >> The time-honored way of fixing this is "backup, delete, > > >> restore". In my case my simple defragmenter is to move a file > > >> to tmpfs and then move it back to the hard drive. I always do > > >> this to files I'm about to burn to a CD/DVD to ensure the read > > >> speed is optimal. > > > > > > Until one day someone write a super-duper disk cache algorithm > > > that delays writes safely, notices that you are putting back > > > unmodified something you just deleted, then reverts "to be > > > deleted" flag on the block pointers. meaning that nothing has > > > changed. > > > > > > Lucky for us, I do not believe that such a driver has been > > > written yet. Unlucky for us, I believe that such a driver is > > > entirely possible. > > > > And actually quite simple once the > > content-addressable-disk-drive is invented. > > We tried that already, it was called WinFS. > > Unfortunately, it was an idea ahead of it's time and technology was not > quite ready for it yet :-) http://en.wikipedia.org/wiki/Be_File_System was first and did it.