From owner-freebsd-fs@FreeBSD.ORG Wed Jun 13 10:09:07 2012 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 1861E1065672 for ; Wed, 13 Jun 2012 10:09:07 +0000 (UTC) (envelope-from i.junus@gmail.com) Received: from mail-wi0-f172.google.com (mail-wi0-f172.google.com [209.85.212.172]) by mx1.freebsd.org (Postfix) with ESMTP id 990D58FC14 for ; Wed, 13 Jun 2012 10:09:06 +0000 (UTC) Received: by wibhj8 with SMTP id hj8so4122402wib.13 for ; Wed, 13 Jun 2012 03:09:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=SVe21JHbApgX1B8iQcJBWZ6JZgsvt+OeX3nZgx6FYog=; b=0awKDup+nb9yK5OnCIs/7mrUbAfbnFx3sksQGuJLVEYA8KoFliElLYsHKaMXe1Uq/5 0uw55Ut58DD774r9TUhUecJTlMHD+W0e+fzN3b4UUMY1McyWk2aVwXh0QQcR7lyf9e7g UeU72ke0hoGh4buQVskyJupUXgFNO6zdvHLc0LoAk4//w8CokGT+xdSCxIdqyQDF0ndo ZttQaYV/t0q912A8858fHS88Q7DSqCTTyCjadbpgZqunWDS6AzRTkZ6pVjYf39YEmjaL soShVLqL7blbsWeydOvvRzj5jVpqZ5guaYxos4KuE4rndCbI2E9l0Q71LZFe494J3SjA pnlA== MIME-Version: 1.0 Received: by 10.180.98.201 with SMTP id ek9mr36824617wib.7.1339582140260; Wed, 13 Jun 2012 03:09:00 -0700 (PDT) Received: by 10.194.33.42 with HTTP; Wed, 13 Jun 2012 03:09:00 -0700 (PDT) Date: Wed, 13 Jun 2012 18:09:00 +0800 Message-ID: From: Irjohn Junus To: freebsd-fs@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Subject: gpart add -a 4096 vs 4k 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, 13 Jun 2012 10:09:07 -0000 Hello, Relatively new to FreeBSD and learning, I'm trying to partition my HDD and align it to 4k sector. I do apologize if this has been answered before, I have Googled and read gpart(8) man page to no joy. Can anyone please advice why gpart add '-a 4096' doesn't yield the same result with '-a 4k'? Many thanks and captures are below. Regards, Ronjns #gpart add -t freebsd-zfs -l hdd0 *-a 4096* da0 da0p1 added # gpart show da0 => 34 3907029101 da0 GPT (1.8T) 34 4062 - free - (2M) *4096 3907022848* 1 freebsd-zfs (1.8T) 3907026944 2191 - free - (1.1M) # gpart add -t freebsd-zfs -l hdd0 *-a 4k* da0 da0p1 added # gpart show da0 => 34 3907029101 da0 GPT (1.8T) 34 6 - free - (3.0k) *40 3907029088* 1 freebsd-zfs (1.8T) 3907029128 7 - free - (3.5k)