From owner-freebsd-stable@FreeBSD.ORG Sat May 30 19:15:35 2009 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 70116106566C for ; Sat, 30 May 2009 19:15:35 +0000 (UTC) (envelope-from dan.naumov@gmail.com) Received: from an-out-0708.google.com (an-out-0708.google.com [209.85.132.245]) by mx1.freebsd.org (Postfix) with ESMTP id 29D558FC08 for ; Sat, 30 May 2009 19:15:34 +0000 (UTC) (envelope-from dan.naumov@gmail.com) Received: by an-out-0708.google.com with SMTP id c3so3593486ana.13 for ; Sat, 30 May 2009 12:15:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=9oYpqxLHuFWZv8kNaXcx3qMrGn8HuY1vl0xexIhUd+8=; b=KQxyUSauisErdQEsAh8/tEmJ/FsG2GGwgFU1bkhZteJrVBgbIwCdCchkTOJ4RWZzF9 21KVk9bxyUEpxdqIr2iroly6MOF+hQntt0jM1GAFGAHpRx2Hri2WEhs6Mcf7JAXVgm2q ahsM1uvEbuZmbjbw68hdTT+3hYZ5W7d1DCdBk= 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 :cc:content-type:content-transfer-encoding; b=xk0504s6XANNbA/09fpvHqGKt79CfDLCQv15m2xygfMHoKS+qOg1LydMzaEeB+Al11 sDPSGKN+qG6Y2A35PSn1+8VXWJFuGRsy9XpzIyg6jK3G6BsLLHQuMUODCK+h1oHqtMgO HKseXB4dKXE1StI7J1rVqqpJ9TXrgIy2Lbs0Q= MIME-Version: 1.0 Received: by 10.100.120.9 with SMTP id s9mr3915899anc.158.1243710934446; Sat, 30 May 2009 12:15:34 -0700 (PDT) In-Reply-To: <8C45E753-16F0-43AF-BD3F-D3F6A8F73B60@transsys.com> References: <8C45E753-16F0-43AF-BD3F-D3F6A8F73B60@transsys.com> Date: Sat, 30 May 2009 22:15:34 +0300 Message-ID: From: Dan Naumov To: Louis Mamakos Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: freebsd-stable@freebsd.org Subject: Re: ZFS NAS configuration question 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: Sat, 30 May 2009 19:15:35 -0000 Is the idea behind leaving 1GB unused on each disk to work around the problem of potentially being unable to replace a failed device in a ZFS pool because a 1TB replacement you bought actually has a lower sector count than your previous 1TB drive (since the replacement device has to be either of exact same size or bigger than the old device)? - Dan Naumov On Sat, May 30, 2009 at 10:06 PM, Louis Mamakos wrote: > I built a system recently with 5 drives and ZFS. =A0I'm not booting off a= ZFS > root, though it does mount a ZFS file system once the system has booted f= rom > a UFS file system. =A0Rather than dedicate drives, I simply partitioned e= ach > of the drives into a 1G partition