From owner-freebsd-stable@FreeBSD.ORG  Sat Dec 27 16:10:23 2014
Return-Path: <owner-freebsd-stable@FreeBSD.ORG>
Delivered-To: stable@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id 0711C77C
 for <stable@freebsd.org>; Sat, 27 Dec 2014 16:10:23 +0000 (UTC)
Received: from babel.karthauser.co.uk (212-13-197-151.karthauser.co.uk
 [212.13.197.151])
 by mx1.freebsd.org (Postfix) with ESMTP id C4F9B665BC
 for <stable@freebsd.org>; Sat, 27 Dec 2014 16:10:22 +0000 (UTC)
Received: from Extravariant (unknown [90.155.77.76])
 (Authenticated sender: joemail@tao.org.uk)
 by babel.karthauser.co.uk (Postfix) with ESMTPSA id 6528D5BE;
 Sat, 27 Dec 2014 16:10:09 +0000 (UTC)
From: Dr Josef Karthauser <joe@karthauser.co.uk>
To: Warren Block <wblock@wonkity.com>
Subject: Re: Creating a bootable ZFS disk?
X-Mailer: eMailGanizer <http://www.emailganizer.com>
Message-ID: 3B9A95A5-CCCE-4B75-89B3-5F08361DCFD9.goodhumans@emailganizer.goodhumans.com
Date: Sat, 27 Dec 2014 16:10:08 +0000
Reply-To: Dr Josef Karthauser <joe@karthauser.co.uk>
In-Reply-To: <alpine.BSF.2.11.1412270824250.63470@wonkity.com>
References: <1548B1FF-36E2-4AE4-ADD4-3B8872A9DF55@tao.org.uk>,
 <alpine.BSF.2.11.1412270824250.63470@wonkity.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: quoted-printable
Cc: "stable@freebsd.org" <stable@freebsd.org>
X-BeenThere: freebsd-stable@freebsd.org
X-Mailman-Version: 2.1.18-1
Precedence: list
List-Id: Production branch of FreeBSD source code <freebsd-stable.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-stable>,
 <mailto:freebsd-stable-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-stable/>
List-Post: <mailto:freebsd-stable@freebsd.org>
List-Help: <mailto:freebsd-stable-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-stable>,
 <mailto:freebsd-stable-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 27 Dec 2014 16:10:23 -0000


Ahha, the 4k alignment is plausible! I thought that that was automatic =
these days. I'll give it a go.

Do I also need to have a zfs pool cache on the root disk?

Joe


On 27 Dec 2014 at 3:27:47 pm GMT, Warren Block <wblock@wonkity.com> =
wrote:
   =20
> On Sat, 27 Dec 2014, Dr Josef Karthauser wrote:
>=20
> > I?m trying to create a new ZFS pool from an existing one (the new =
one is 4k aligned and the old one is legacy 512b).
> >
> > But, I can?t get it to boot! Not sure what I?m doing wrong.
> >
> > I thought I could create the new pool, and use ?zfs send/recv? to =
copy the existing pool and then boot onto the new disk, but the kernel =
doesn?t load? :(.
> >
> > Does anyone know what I?m doing wrong?
> >
> > Here?s my recipe:
> >
> > 	# gpart create -s gpt diskid/DISK-NEW-DISK
> > 	# gpart add -s 64K -t freebsd-boot diskid/DISK-NEW-DISK
> > 	# gpart add -t 8G freebsd-swap diskid/DISK-NEW-DISK
> > 	# gpart add -t freebsd-zfs diskid/DISK-NEW-DISK
> > 	# gpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 1 =
diskid/DISK-NEW-DISK
>=20
> Those partitions are probably not aligned to 4K.  Add "-a4k" to the =
gpart add commands.  (Remember that ashift is filesystem block size, not =
alignment.)
> _______________________________________________
> freebsd-stable@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-stable
> To unsubscribe, send any mail to =
"freebsd-stable-unsubscribe@freebsd.org"