From owner-freebsd-fs@FreeBSD.ORG Tue Oct 1 18:50:17 2013 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 8957A817 for ; Tue, 1 Oct 2013 18:50:17 +0000 (UTC) (envelope-from aurfalien@gmail.com) Received: from mail-pa0-x22a.google.com (mail-pa0-x22a.google.com [IPv6:2607:f8b0:400e:c03::22a]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 615BA2FDA for ; Tue, 1 Oct 2013 18:50:17 +0000 (UTC) Received: by mail-pa0-f42.google.com with SMTP id lj1so7907711pab.29 for ; Tue, 01 Oct 2013 11:50:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=subject:mime-version:content-type:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=2zNDb+sAMGrnM84MRWccB4VjpoU467EQUyb9u0HOVa8=; b=BoihUcXFOUo4vimf+KRoklNx54ZTSWIY/WwfeFQz6Ct/hK/LuF+4o0IognYLsGCGKe kbCvFt0jueW8tvcuJZDcUOJqUiVHX3mm6ao9kYuOvEf5mzr3x+LbzKGPoR9fNi7yjAf5 OeJZah6wtCmRkWpazurPx1PxAwCUB3GmcHljgjVwSvVelFvgGksLeHEiDtYmLenwPqlP AY8ykUMbcmdF2vSaHQHbhEXoP3q3dlH/RX3EJRcFVeaBheSkF8OVYETe6qtnb0H4vda7 8G/0j78LQj1jgAeJIU5E+tVZZ84m75+lRkPngDIlGtVgxQ/kHxDt7ARtae5/uxiYBRE7 buSg== X-Received: by 10.67.30.100 with SMTP id kd4mr36023272pad.24.1380653417104; Tue, 01 Oct 2013 11:50:17 -0700 (PDT) Received: from briankrusicw.logan.tv ([64.17.255.138]) by mx.google.com with ESMTPSA id ta10sm9952080pab.5.1969.12.31.16.00.00 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 01 Oct 2013 11:50:15 -0700 (PDT) Subject: Re: zfs: the exponential file system from hell Mime-Version: 1.0 (Apple Message framework v1085) Content-Type: text/plain; charset=windows-1252 From: aurfalien In-Reply-To: <87d2nohm91.wl%berend@pobox.com> Date: Tue, 1 Oct 2013 11:50:18 -0700 Content-Transfer-Encoding: quoted-printable Message-Id: References: <52457A32.2090105@fsn.hu> <77F6465C-4E76-4EE9-88B5-238FFB4E0161@sarenet.es> <20130930234401.GA68360@neutralgood.org> <87d2nohm91.wl%berend@pobox.com> To: Berend de Boer X-Mailer: Apple Mail (2.1085) Cc: freebsd-fs@FreeBSD.org X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 01 Oct 2013 18:50:17 -0000 On Oct 1, 2013, at 11:36 AM, Berend de Boer wrote: >>>>>> "Jordan" =3D=3D Jordan Hubbard writes: >=20 > Jordan> Given that we have the sources to df, I guess we should > Jordan> consider the question begged: Do we want to change it to > Jordan> DTRT for zfs filesystems? There's no Unix Law=99 that says > Jordan> "df(1) must use the output of statfs(2) directly and can > Jordan> use no longer sources of information!" >=20 > What an amount of emails to this list it would safe! >=20 > --=20 > In favour obviously, >=20 > Berend de Boer Well, a ZFS aware df would be cool but how would NFS clients on a diff = OS handle this? I'd say leave it alone and leave it to the sys admins to write a wrapper = for clients that tosses ssh to the server and runs the appropriate zfs = tool for expected space stats. - aurf=