From owner-freebsd-fs@FreeBSD.ORG Sat Apr 30 22:07:16 2011 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id ED1061065672; Sat, 30 Apr 2011 22:07:15 +0000 (UTC) (envelope-from alexander@leidinger.net) Received: from mail.ebusiness-leidinger.de (mail.ebusiness-leidinger.de [217.11.53.44]) by mx1.freebsd.org (Postfix) with ESMTP id A3AFE8FC12; Sat, 30 Apr 2011 22:07:15 +0000 (UTC) Received: from outgoing.leidinger.net (p5B1548CE.dip.t-dialin.net [91.21.72.206]) by mail.ebusiness-leidinger.de (Postfix) with ESMTPSA id 03ED484400D; Sun, 1 May 2011 00:07:02 +0200 (CEST) Received: from unknown (IO.Leidinger.net [192.168.2.110]) by outgoing.leidinger.net (Postfix) with ESMTP id 1C2981192; Sun, 1 May 2011 00:06:59 +0200 (CEST) Date: Sun, 1 May 2011 00:06:56 +0200 From: Alexander Leidinger To: Jeremy Chadwick Message-ID: <20110501000656.00007ea1@unknown> In-Reply-To: <20110430072831.GA65598@icarus.home.lan> References: <4DBBB20A.5050102@FreeBSD.org> <20110430072831.GA65598@icarus.home.lan> X-Mailer: Claws Mail 3.7.8cvs47 (GTK+ 2.16.6; i586-pc-mingw32msvc) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-EBL-MailScanner-Information: Please contact the ISP for more information X-EBL-MailScanner-ID: 03ED484400D.A453A X-EBL-MailScanner: Found to be clean X-EBL-MailScanner-SpamCheck: not spam, spamhaus-ZEN, SpamAssassin (not cached, score=-1, required 6, autolearn=disabled, ALL_TRUSTED -1.00) X-EBL-MailScanner-From: alexander@leidinger.net X-EBL-MailScanner-Watermark: 1304806022.18543@l0QDDI7V3BlTwyvVz6tuBg X-EBL-Spam-Status: No Cc: freebsd-fs@freebsd.org, Alexander Motin Subject: Re: TRIM clustering X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 30 Apr 2011 22:07:16 -0000 On Sat, 30 Apr 2011 00:28:31 -0700 Jeremy Chadwick wrote: > On Sat, Apr 30, 2011 at 09:54:02AM +0300, Alexander Motin wrote: > Other notes: TRIM needs to be supported on swap as well, and in my > opinion this is just as important as it being in UFS. I'm not sure > how one would implement that. This brings up the question if a ZFS cache (where the contents do not survive a reboot) is completely TRIMmed before used (and normally trimmed during use)... Bye, Alexander. -- http://www.Leidinger.net Alexander @ Leidinger.net: PGP ID = B0063FE7 http://www.FreeBSD.org netchild @ FreeBSD.org : PGP ID = 72077137