From owner-freebsd-questions@FreeBSD.ORG Sat Apr 19 15:02:45 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 7C2341065675 for ; Sat, 19 Apr 2008 15:02:45 +0000 (UTC) (envelope-from unga888@yahoo.com) Received: from web57001.mail.re3.yahoo.com (web57001.mail.re3.yahoo.com [66.196.97.105]) by mx1.freebsd.org (Postfix) with SMTP id 101408FC1E for ; Sat, 19 Apr 2008 15:02:44 +0000 (UTC) (envelope-from unga888@yahoo.com) Received: (qmail 38312 invoked by uid 60001); 19 Apr 2008 15:02:44 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=X-YMail-OSG:Received:Date:From:Subject:To:Cc:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-ID; b=p8edWbUSWikZMTamHYyZE0Sik5uathr5GYweSlCi5xjV+cg/sP6WGhhX2/wDvSGa23MKcsaiJeKtXJ4l9Jds88f8cPzQ7fYF2SvpfwMiWTebO1jPgsVTnTmG+GdRVCgNbWkl6siaJV9MeaAJW4j+RaJdGTy/z3jlDzcyY/dBzOc=; X-YMail-OSG: rX116vEVM1kWQEaJHdfsMyFbQLO5JQduaAwaNiVYHH_71Q1oUYX0NfCrbH6cu5WzXoKRTVx3f_VO7Y6n.pUewPBZtML8bhVwM7e3qrNbNrFIkAvSo4gzo6Oqo94- Received: from [165.21.155.16] by web57001.mail.re3.yahoo.com via HTTP; Sat, 19 Apr 2008 08:02:43 PDT Date: Sat, 19 Apr 2008 08:02:43 -0700 (PDT) From: Unga To: Ivan Voras In-Reply-To: <9bbcef730804180840y77adff73x7ad0cf90c82633a9@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Message-ID: <293157.38247.qm@web57001.mail.re3.yahoo.com> Cc: freebsd-questions@freebsd.org Subject: Re: UFS2 Journaling implementation detail X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 19 Apr 2008 15:02:45 -0000 --- Ivan Voras wrote: > No, gjournal is a layer below the file system (think > of it as a virtual disk drive) that does journalling. > You need to create a file system on top of gjournal. > Pawel added some necessary integration for UFS. > Since the gjournal is block level journaling, not file system level journaling, can one journal be used to cover two or more partitions? Example: gjournal label -c ad0s4e ad0s4d gjournal label -c ad0s4f ad0s4d gjournal label -c ad0s4g ad0s4d newfs -J /dev/ad0s4e.journal newfs -J /dev/ad0s4f.journal newfs -J /dev/ad0s4g.journal Kind Regards Unga ____________________________________________________________________________________ Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ