From owner-freebsd-arch@FreeBSD.ORG Wed Jan 6 11:04:52 2010 Return-Path: Delivered-To: freebsd-arch@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9B6D91065676; Wed, 6 Jan 2010 11:04:52 +0000 (UTC) (envelope-from svein-listmail@stillbilde.net) Received: from mail.stillbilde.net (unknown [IPv6:2002:51af:3dc3:0:20c:29ff:fece:79f3]) by mx1.freebsd.org (Postfix) with ESMTP id 25DD18FC13; Wed, 6 Jan 2010 11:04:52 +0000 (UTC) Received: from [IPv6:2002:51af:3dc3:0:7980:926d:3f39:5ae2] (unknown [IPv6:2002:51af:3dc3:0:7980:926d:3f39:5ae2]) (Authenticated sender: svein) by mail.stillbilde.net (Familien Skogens mail) with ESMTPSA id EB4FE22; Wed, 6 Jan 2010 12:04:50 +0100 (CET) Message-ID: <4B446E52.4030508@stillbilde.net> Date: Wed, 06 Jan 2010 12:04:50 +0100 From: "Svein Skogen (Listmail Account)" User-Agent: Thunderbird 2.0.0.23 (Windows/20090812) MIME-Version: 1.0 To: =?UTF-8?B?RGFnLUVybGluZyBTbcO4cmdyYXY=?= References: <65036.1262386032@critter.freebsd.dk> <201001020101.16450.pieter@degoeje.nl> <86637fjypj.fsf@ds4.des.no> In-Reply-To: <86637fjypj.fsf@ds4.des.no> X-Enigmail-Version: 0.96.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Alexander Motin , Miroslav Lachman <000.fbsd@quip.cz>, Thomas Backman , Poul-Henning Kamp , freebsd-current@freebsd.org, freebsd-arch@freebsd.org, Pieter de Goeje Subject: Re: File system blocks alignment X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 06 Jan 2010 11:04:52 -0000 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Dag-Erling Smørgrav wrote: > Pieter de Goeje writes: >> Poul-Henning Kamp writes: >>> Ideally, newfs/UFS should do a quick test to look for any obvious >>> boundaries, and DTRT, a nice little task for somebody :-) >> A search for the offset for which newfs (or a simpler test) runs >> fastest? Interesting idea :-) > > Or just default to 4 kB or even 8 kB, which has zero performance impact > (either way) for disks with 512 B sectors. I'd like it to be tunable. Makes life so much easier for those of us who run raid controllers with adjustable stripe sizes. ;) //Svein - -- - --------+-------------------+------------------------------- /"\ |Svein Skogen | svein@d80.iso100.no \ / |Solberg Østli 9 | PGP Key: 0xE5E76831 X |2020 Skedsmokorset | svein@jernhuset.no / \ |Norway | PGP Key: 0xCE96CE13 | | svein@stillbilde.net ascii | | PGP Key: 0x58CD33B6 ribbon |System Admin | svein-listmail@stillbilde.net Campaign|stillbilde.net | PGP Key: 0x22D494A4 +-------------------+------------------------------- |msn messenger: | Mobile Phone: +47 907 03 575 |svein@jernhuset.no | RIPE handle: SS16503-RIPE - --------+-------------------+------------------------------- If you really are in a hurry, mail me at svein-mobile@stillbilde.net This mailbox goes directly to my cellphone and is checked even when I'm not in front of my computer. - ------------------------------------------------------------ Picture Gallery: https://gallery.stillbilde.net/v/svein/ - ------------------------------------------------------------ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAktEblIACgkQODUnwSLUlKQBtwCfQPeRckCkZhwmP2BhFVFhLCWC CdsAn23NL0D9qln18sT7RzGSRrworw7w =Sm5t -----END PGP SIGNATURE-----