From owner-freebsd-fs@FreeBSD.ORG Wed Sep 1 18:43:58 2010 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B133C10656AC for ; Wed, 1 Sep 2010 18:43:58 +0000 (UTC) (envelope-from fjwcash@gmail.com) Received: from mail-iw0-f182.google.com (mail-iw0-f182.google.com [209.85.214.182]) by mx1.freebsd.org (Postfix) with ESMTP id 7A41F8FC18 for ; Wed, 1 Sep 2010 18:43:58 +0000 (UTC) Received: by iwn34 with SMTP id 34so1182178iwn.13 for ; Wed, 01 Sep 2010 11:43:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:content-type; bh=iq0YUec0Tid+GD20Ukctr2bAAXeCnTpGEW5fk7ctI3M=; b=BOmztG6/EfHkfVWf8AwTM9QgiHBCWZmK+VdLQyKKTuzKh+Ab1/sJav7C2trlOt6bhF EnnnNwmD6H39rMPGufLCdeLJtrQ/yoJ5nSBTKDSduYWRRRWW3xftPJ8a6CSIVnC676ax ekyCijJvejkSPZXKkWLWdsMfpAmGO77YlMLYM= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=uO9FKrkKg5Iu3TWhYCHvPh1B1/ldPmFBuEFzFUqmU831Mb2da1aJkrZNMwQiJel6Hg vAliIDRlrUa/lJ5NQFcEj3cdQR9bkIiULYWTAnUNARZWA2ELT+sm4ukO5v9PkMbREZMT LFtjWNH4NgSBPt//6bJKuoxg0wcXzHD7V7ows= MIME-Version: 1.0 Received: by 10.231.33.67 with SMTP id g3mr8940697ibd.31.1283365049771; Wed, 01 Sep 2010 11:17:29 -0700 (PDT) Received: by 10.231.189.35 with HTTP; Wed, 1 Sep 2010 11:17:29 -0700 (PDT) In-Reply-To: <20100901091919.GA98434@icarus.home.lan> References: <4C7CE2D0.40400@telus.net> <4C7E18CB.7020400@telus.net> <20100901091919.GA98434@icarus.home.lan> Date: Wed, 1 Sep 2010 11:17:29 -0700 Message-ID: From: Freddie Cash To: freebsd-fs@freebsd.org Content-Type: text/plain; charset=UTF-8 Subject: Re: gjournal alignment on 4K sector advanced format drives X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 01 Sep 2010 18:43:58 -0000 On Wed, Sep 1, 2010 at 2:19 AM, Jeremy Chadwick wrote: > Can't you just set the jumper on the drive to us 512-byte sectors? > I mean, that's what it's there for... The jumper doesn't change the reported sector size. All it does is change the internal offset used by 1, so that the first partition created by Windows XP starts at physical (512 B) sector 64 instead of sector 63 (although it's still logical sector 63), which aligns it to a 4 KB boundary. -- Freddie Cash fjwcash@gmail.com