From owner-freebsd-fs@FreeBSD.ORG Mon Oct 27 15:09:45 2008 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 40374106567F for ; Mon, 27 Oct 2008 15:09:45 +0000 (UTC) (envelope-from grafan@gmail.com) Received: from fg-out-1718.google.com (fg-out-1718.google.com [72.14.220.155]) by mx1.freebsd.org (Postfix) with ESMTP id BCB8A8FC12 for ; Mon, 27 Oct 2008 15:09:44 +0000 (UTC) (envelope-from grafan@gmail.com) Received: by fg-out-1718.google.com with SMTP id l26so1851936fgb.35 for ; Mon, 27 Oct 2008 08:09:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:in-reply-to:mime-version:content-type:references; bh=Dcenv5kxOxtDrruwlC69gRIoPUtDyspTLuM2TyKCwfg=; b=XXkwEKN6Uvpl4RCuLm48iEjLFYIAHuM4mRjr2kqEGTLwf7PSkwNNiSY1YUr25whIGQ FMWv5eNITtfqtW4GMIrxvaMpd6reNZgcLGRreHN98z7BVcRHtgWf9yvrK6+S/IWcxvUh YpoG0dSFyO/Yr8qc9C7zx51eKogs8St8ViT74= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:in-reply-to:mime-version :content-type:references; b=DDc5q3VZEdtU1sKVDkoayEnuNkovAKc6Ywts2bCYgs6jwZVwJoFVvfQ/XKkNVX0Nl7 Y/IoOFVvprtT/XKG6yxAsNo+MJBhl64QoHw1nizuPhmYSP/klDyFGzcTAmoTwxScDASU qK1PdVbsCCiPpQIHJWaMJQ4s4cK7b6p6ztem4= Received: by 10.187.202.7 with SMTP id e7mr538212faq.33.1225118714797; Mon, 27 Oct 2008 07:45:14 -0700 (PDT) Received: by 10.187.248.6 with HTTP; Mon, 27 Oct 2008 07:45:14 -0700 (PDT) Message-ID: <6eb82e0810270745w4444b735sca369c0b1d724b48@mail.gmail.com> Date: Mon, 27 Oct 2008 22:45:14 +0800 From: "Rong-en Fan" To: freebsd-fs@freebsd.org, grafan@gmail.com, gamato@users.sf.net In-Reply-To: <200810271343.m9RDhfNQ013868@lurza.secnetix.de> MIME-Version: 1.0 References: <200810271343.m9RDhfNQ013868@lurza.secnetix.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: Subject: Re: journaling filesystem 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: Mon, 27 Oct 2008 15:09:45 -0000 On Mon, Oct 27, 2008 at 9:43 PM, Oliver Fromme wrote: > martinko wrote: > > Rong-en Fan wrote: > > > In NetBSD, they now have metadata journaling support, see > > > > > > http://www.netbsd.org/changes/#wapbl > > > > > > I'm not a fs guru, I just want to know what are the status of > > > BluFFS and UFS journaling support which were mentioned > > > in recent years. > > > > This is very interesting! I can imagine this would be the way for > > systems where ZFS is not an option but SU are reaching their limits. > > Have you had a look at gjournal(8)? Actually, gjournal has the problem with fast write load. It panics if the journal overflows... I was told by pjd@ that if I have been played with the sysctls and it still overflows, then there is nothing we can do... Regards, Rong-En Fan