From owner-freebsd-questions@FreeBSD.ORG Thu Mar 27 12:02:14 2014 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id A4C73137 for ; Thu, 27 Mar 2014 12:02:14 +0000 (UTC) Received: from mail-wi0-x233.google.com (mail-wi0-x233.google.com [IPv6:2a00:1450:400c:c05::233]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 2760684C for ; Thu, 27 Mar 2014 12:02:14 +0000 (UTC) Received: by mail-wi0-f179.google.com with SMTP id f8so3051069wiw.0 for ; Thu, 27 Mar 2014 05:02:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20120113; h=date:from:to:subject:message-id:in-reply-to:references:mime-version :content-type:content-transfer-encoding; bh=vwQGJQS15LUnyvwlmtemphKe1qQre0V06ndRV/4vxPA=; b=qrac1CEqim65ltgw4aVqwpmm+PonoaM4s58K3n0H4HgiDaGM9BditHhATlZM/PIoYw pExE8QUUqNnSgLjPV9F4nHusa9+gZhHZrT++b7CLjWC6vVk8yMV97XZhfW46HgaYJxay 4BJKOlXYn30IyxTG7JAjUt+vImIAtmKoQg635JffXZAYiLUGnTax1dHeCoBHUeDNlME7 miQIIOR8wLAlcX9X20txePxDCq8MzOIBG5y1780gffTfifGncjvnELMxNctgdDFy315I TBtNJGSen/ndofKFaeN2O85DuNKkQfS0m7TiSt4wfvCcc00eGiY97Co9MF7dMyz6UIBn W7ww== X-Received: by 10.180.20.71 with SMTP id l7mr4365084wie.35.1395921732225; Thu, 27 Mar 2014 05:02:12 -0700 (PDT) Received: from gumby.homeunix.com (4e5670f0.skybroadband.com. [78.86.112.240]) by mx.google.com with ESMTPSA id t6sm11713275wix.4.2014.03.27.05.02.10 for (version=SSLv3 cipher=RC4-SHA bits=128/128); Thu, 27 Mar 2014 05:02:11 -0700 (PDT) Date: Thu, 27 Mar 2014 12:02:08 +0000 From: RW To: freebsd-questions@freebsd.org Subject: Re: file systems Message-ID: <20140327120208.522373e0@gumby.homeunix.com> In-Reply-To: <20140327010850.GA33907@neutralgood.org> References: <20140327010850.GA33907@neutralgood.org> X-Mailer: Claws Mail 3.9.3 (GTK+ 2.24.22; amd64-portbld-freebsd10.0) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 27 Mar 2014 12:02:14 -0000 On Wed, 26 Mar 2014 21:08:50 -0400 kpneal@pobox.com wrote: > On Wed, Mar 26, 2014 at 04:07:31PM -0400, illoai@gmail.com wrote: > > You're talking about a single filesystem of 16TB? Well, depending > > on how you plan to use it, that might work. It will probably take > > several GB of memory to fsck such a monster. > > Background fsck with SU+J may be an option. Background fsck and SU+J are alternatives. > Foreground fsck will > indeed take quite a while. Personally, I don't have a good feeling > about using background fsck. SU+J has a worse reputation. UFS2 with gjournal would avoid the fsck problem if for some reason the OP doesn't want to go with ZFS.