From owner-cvs-all Fri Dec 7 21: 9: 2 2001 Delivered-To: cvs-all@freebsd.org Received: from monorchid.lemis.com (monorchid.lemis.com [192.109.197.75]) by hub.freebsd.org (Postfix) with ESMTP id A79A737B416; Fri, 7 Dec 2001 21:08:53 -0800 (PST) Received: by monorchid.lemis.com (Postfix, from userid 1004) id DD9BD786EA; Sat, 8 Dec 2001 10:48:00 +1030 (CST) Date: Sat, 8 Dec 2001 10:48:00 +1030 From: Greg Lehey To: Maxim Sobolev Cc: Sheldon Hearn , cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sbin/newfs newfs.8 Message-ID: <20011208104800.A1696@monorchid.lemis.com> References: <200111271953.fARJrFc88452@freefall.freebsd.org> <3C10F171.FEE996EB@FreeBSD.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3C10F171.FEE996EB@FreeBSD.org> User-Agent: Mutt/1.3.23i Organization: The FreeBSD Project Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-418-838-708 WWW-Home-Page: http://www.FreeBSD.org/ X-PGP-Fingerprint: 6B 7B C3 8C 61 CD 54 AF 13 24 52 F8 6D A4 95 EF Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Friday, 7 December 2001 at 18:42:25 +0200, Maxim Sobolev wrote: > Sheldon Hearn wrote: >> >> sheldonh 2001/11/27 11:53:15 PST >> >> Modified files: (Branch: RELENG_4) >> sbin/newfs newfs.8 >> Log: >> MFC: rev 1.44 - 1.46: >> >> Following on from 1.26.2.11, reintroduce the now corrected example >> for using larger block/frag sizes and explain that 8:1 is the optimal >> block/frag ratio. > > This is very questionable topic, at least from the space efficience > POV. For example, I found that on my development system using 16:2 > (5-CURRENT, /usr/ports + /usr/src) some 300MB are wasted in fragments > compared with the same partition formatted with 8:1. I would suggest > to extend this para explaining that 16:2 could result in a huge space > wastage when there are large number of small files on the fs (such as > /usr/ports or /usr/src) and 8:1 is better suited for such cases. I think you're misunderstanding. We're talking about a ratio here, not a size. 16:2 is the same ratio as 8:1. Greg -- See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message