From owner-freebsd-fs@FreeBSD.ORG Sat Mar 27 23:42:27 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 E6F6D1065670 for ; Sat, 27 Mar 2010 23:42:26 +0000 (UTC) (envelope-from mashtizadeh@gmail.com) Received: from mail-yx0-f185.google.com (mail-yx0-f185.google.com [209.85.210.185]) by mx1.freebsd.org (Postfix) with ESMTP id 98C258FC13 for ; Sat, 27 Mar 2010 23:42:26 +0000 (UTC) Received: by yxe15 with SMTP id 15so5661681yxe.7 for ; Sat, 27 Mar 2010 16:42:25 -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:received:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=+E/WWcf0BYGoZW+5sMwW3UdJhioyjqQSYt1U5I9Hl/0=; b=PGFU0loBTrDwAXSkqOmzi7nGPhndlv0eJLf7d/3fO4xem6c9rew09DXXvyZ3sXpzhx wpUIuVRNDiB3+3Oy4la/y4DToW2GI+uOKouDz5FvfrzMFchc3mFoxO9flwjs2sAcfxPP m/nsgTv+lW7Xg84KMdbFfFD5e3RTPlMXh/L04= 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=VcHy0JBachy8QmZt9YR00nKeCo2jXxWP2QOPDprHD8NzZNMNO/XhU+MC3WAF6EwJ2d o4tAdRl1fuhBiEbxWFeojcMKoquXFn78+b0EF+eZG3oTslmUfWbqYs5RXf4XnZPQlPP9 GQBWb1PrIw02NFtYGtXUdSjZD1tZ53flCt1f4= MIME-Version: 1.0 Received: by 10.231.171.196 with HTTP; Sat, 27 Mar 2010 16:15:07 -0700 (PDT) In-Reply-To: <4BAE869C.6070601@ish.com.au> References: <4BAE869C.6070601@ish.com.au> Date: Sat, 27 Mar 2010 16:15:07 -0700 Received: by 10.100.235.11 with SMTP id i11mr1113221anh.128.1269731707133; Sat, 27 Mar 2010 16:15:07 -0700 (PDT) Message-ID: <440b3e931003271615w1ad38306i55d01b059a306af0@mail.gmail.com> From: Ali Mashtizadeh To: Aristedes Maniatis Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Cc: freebsd-fs@freebsd.org Subject: Re: boot code compatibility with ZFS 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: Sat, 27 Mar 2010 23:42:27 -0000 HEAD and 8-STABLE have support for booting off of raidz volumes. 8-STABLE this was merged in 204251. On Sat, Mar 27, 2010 at 3:28 PM, Aristedes Maniatis wrote: > FreeBSD has recently been able to boot directly from ZFS as deailed here: > > =C2=A0http://wiki.freebsd.org/RootOnZFS > > Naturally having functional boot code has been key to this, but it is ver= y > confusing as to why sometimes I can get FreeBSD to boot nicely and someti= mes > not. From comments in threads and my experience, I've got the following > rough timeline: > > FreeBSD 7.1: ZFS version 6, no ZFS boot capability > FreeBSD 7.2: ZFS version 6, zfsboot only, boot from single vdev pool only > FreeBSD 7.3: ZFS version 13, zfsboot broken, no ZFS boot capability > > FreeBSD 8.0: ZFS version 13, gptzfsboot and zfsboot, boot from mirrored p= ool > or single vdev, RAIDZ not supported, degraded pool not supported > > > My questions: > > 1. Is the above list correct? > > 2. What is the situation for the two stable branches? > > 3. In an effort to get a machine booting properly I tried installing the > boot code from 8-STABLE with a 8.0 kernel. That didn't work. What is the > situation with backward and forward compatibility of the boot code? Will > there come a time when an OS update will require an update of the boot co= de? > > > If someone were able to put these answers on the wiki page as well, I > believe this would help others. > > > Thanks > Ari Maniatis > > -- > --------------------------> > Aristedes Maniatis > ish > http://www.ish.com.au > Level 1, 30 Wilson Street Newtown 2042 Australia > phone +61 2 9550 5001 =C2=A0 fax +61 2 9550 4001 > GPG fingerprint CBFB 84B4 738D 4E87 5E5C =C2=A05EFA EF6A 7D2E 3E49 102A > > -- > --------------------------> > Aristedes Maniatis > ish > http://www.ish.com.au > Level 1, 30 Wilson Street Newtown 2042 Australia > phone +61 2 9550 5001 =C2=A0 fax +61 2 9550 4001 > GPG fingerprint CBFB 84B4 738D 4E87 5E5C =C2=A05EFA EF6A 7D2E 3E49 102A > _______________________________________________ > freebsd-fs@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" > --=20 Ali Mashtizadeh =D8=B9=D9=84=DB=8C =D9=85=D8=B4=D8=AA=DB=8C =D8=B2=D8=A7=D8=AF=D9=87