From owner-freebsd-stable@FreeBSD.ORG Fri Aug 18 16:23:10 2006 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 886BA16A4DE for ; Fri, 18 Aug 2006 16:23:10 +0000 (UTC) (envelope-from vivek@khera.org) Received: from yertle.kcilink.com (yertle.kcilink.com [65.205.34.180]) by mx1.FreeBSD.org (Postfix) with ESMTP id E2C4943D5F for ; Fri, 18 Aug 2006 16:23:04 +0000 (GMT) (envelope-from vivek@khera.org) Received: from [192.168.7.103] (host-103.int.kcilink.com [192.168.7.103]) by yertle.kcilink.com (Postfix) with ESMTP id 00C37B80F for ; Fri, 18 Aug 2006 12:23:04 -0400 (EDT) Mime-Version: 1.0 (Apple Message framework v752.2) In-Reply-To: <9AF3223C-0B0A-4CFE-8001-C0854C2AE55D@stromnet.org> References: <9AF3223C-0B0A-4CFE-8001-C0854C2AE55D@stromnet.org> Content-Type: multipart/signed; micalg=sha1; boundary=Apple-Mail-7--630159524; protocol="application/pkcs7-signature" Message-Id: <24C86986-97D5-4A59-B97F-88D2304A535D@khera.org> From: Vivek Khera Date: Fri, 18 Aug 2006 12:23:03 -0400 To: freebsd-stable X-Mailer: Apple Mail (2.752.2) X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Subject: Re: Q about gmirror's "metadata sector" X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 18 Aug 2006 16:23:10 -0000 --Apple-Mail-7--630159524 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=ISO-8859-1; delsp=yes; format=flowed On Aug 18, 2006, at 3:29 AM, Johan Str=F6m wrote: > If i've understood correctly gmirror uses the last sector on the =20 > provider for a metadata. > If one uses http://www.onlamp.com/pub/a/bsd/2005/11/10/=20 > FreeBSD_Basics.html to setup a gmirror'ed system, that is haveing a =20= > fully used disk > where the last sector is used (right?) and converting it to a =20 > gmirror, this will overwrite whatever is on the last sector, right? > This will probably not be overwritten on a non-full fs, but if the =20 > fs gets full later, is there any risk that this sector get's =20 > overwritten? Does one have to shrink the fs/slice manually or =20 > something to make sure this does not happend? take a look at your fdisk output and see if the last few hundred =20 sectors of your disk are used at all by any file system. I doubt =20 they are. --Apple-Mail-7--630159524--