From owner-freebsd-current@FreeBSD.ORG Fri Dec 7 15:24:05 2012 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 15B204A7; Fri, 7 Dec 2012 15:24:05 +0000 (UTC) (envelope-from tomek.cedro@gmail.com) Received: from mail-la0-f54.google.com (mail-la0-f54.google.com [209.85.215.54]) by mx1.freebsd.org (Postfix) with ESMTP id 56ED78FC12; Fri, 7 Dec 2012 15:24:04 +0000 (UTC) Received: by mail-la0-f54.google.com with SMTP id j13so556783lah.13 for ; Fri, 07 Dec 2012 07:24:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; bh=37JNc4RYo1jMx7Hd4UmNCrM3v18a4uiRvC37q5yGhqc=; b=vJYZzFs5LlFLRUk2vxHWbmuzFm12fAd5OnTUwW6eWPA1l5FAY/0CQvRcc+ZOnNjFOg wm9/GglLupwTvY7xsZ559QmcN5VNHBVshqRPjHLpjp+Q7nZ9nT18jJS1kq+zek1q3azm qETiNh5nP41s+liKYr6+saa14mINpPcQywrGbXMAj7PqQC2gYBSQhc2RE4Cgj8MSvQgT CyZxjS16ew86LAzEAsMAleJMB3f4eNJz0HZIHd0TBa1xIMmVPGMpsgf+7BSZbGTB1AD7 cKrO2phAnpbrpGfFeI7km/GCqG5oXAAwBvDb/+1F1a8N8Dd8e1f61sETAkFPnHxtiOPU z/TA== MIME-Version: 1.0 Received: by 10.112.44.2 with SMTP id a2mr2657517lbm.131.1354893843036; Fri, 07 Dec 2012 07:24:03 -0800 (PST) Sender: tomek.cedro@gmail.com Received: by 10.114.12.226 with HTTP; Fri, 7 Dec 2012 07:24:02 -0800 (PST) In-Reply-To: <50C206B7.5040800@quip.cz> References: <50C206B7.5040800@quip.cz> Date: Fri, 7 Dec 2012 16:24:02 +0100 X-Google-Sender-Auth: kdvBg3hMxV0GVuroDNM2oOBh1RM Message-ID: Subject: Re: UFS2 and Journaling in 9.1-RC3 From: CeDeROM To: Miroslav Lachman <000.fbsd@quip.cz> Content-Type: text/plain; charset=UTF-8 Cc: freebsd-current@freebsd.org, Ivan Voras X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 07 Dec 2012 15:24:05 -0000 On Fri, Dec 7, 2012 at 4:09 PM, Miroslav Lachman <000.fbsd@quip.cz> wrote: > In short - if you choose Gjournal with data and journal on the same disk, > you will have about half write speed. Okay, minus for GJournal in that case, but it is very interesting solution, as most of the stuff in FreeBSD :-) > If you choose SU+J, you will not be able to use UFS snapshot feature at this > time (there is some bug and snapshots on SU+J is disabled) Not really need snapshots :-) > Other than that - SU+J is easier to Enable / Disable on existing partition > but is not well testet - it is younger technology than Gjournal. Okay I can test it :-) I just hope it wont eat my precious data :-) I will take UFS2-SU+J then :-) Thanks Miroslav! :-) -- CeDeROM, SQ7MHZ, http://www.tomek.cedro.info