From owner-freebsd-questions@FreeBSD.ORG Tue Apr 8 17:36:47 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 B10B1106564A for ; Tue, 8 Apr 2008 17:36:47 +0000 (UTC) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from wojtek.tensor.gdynia.pl (wojtek.tensor.gdynia.pl [IPv6:2001:4070:101:2::1]) by mx1.freebsd.org (Postfix) with ESMTP id 9E7CB8FC1C for ; Tue, 8 Apr 2008 17:36:35 +0000 (UTC) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from wojtek.tensor.gdynia.pl (localhost [IPv6:::1]) by wojtek.tensor.gdynia.pl (8.14.2/8.13.8) with ESMTP id m38HaMqL026161; Tue, 8 Apr 2008 19:36:22 +0200 (CEST) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from localhost (wojtek@localhost) by wojtek.tensor.gdynia.pl (8.14.2/8.13.8/Submit) with ESMTP id m38HaJD7026158; Tue, 8 Apr 2008 19:36:22 +0200 (CEST) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Date: Tue, 8 Apr 2008 19:36:19 +0200 (CEST) From: Wojciech Puchar To: Josh Paetzel In-Reply-To: <200804081155.42741.josh@tcbug.org> Message-ID: <20080408193543.O26143@wojtek.tensor.gdynia.pl> References: <2b5f066d0804080539y7884709es46c8fd9cc2342aec@mail.gmail.com> <8e10486b0804080828n1fe401efl79e86108b3ce9fcd@mail.gmail.com> <20080408181945.U24388@wojtek.tensor.gdynia.pl> <200804081155.42741.josh@tcbug.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: Brian McCann , freebsd-questions@freebsd.org, Alexandre Biancalana Subject: Re: Large file system creation 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: Tue, 08 Apr 2008 17:36:47 -0000 >> it will be most likely large 32K blocks, so quick fsck and little RAM >> > > In my experience with UFS2 and fsck you will want to have a gig of ram per TB > of filesystem. You can get by with less sometimes, eventually you'll get > bit. Most mere mortals don't take UFS2 past 6-8TB in production. > > There are of course exceptions.... you talk about VM, not real memory. i don't think making 10GB swap is a problem.