From owner-freebsd-hackers@FreeBSD.ORG Thu Jul 17 08:03:07 2008 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C11E71065683 for ; Thu, 17 Jul 2008 08:03:07 +0000 (UTC) (envelope-from danny@cs.huji.ac.il) Received: from cs1.cs.huji.ac.il (cs1.cs.huji.ac.il [132.65.16.10]) by mx1.freebsd.org (Postfix) with ESMTP id 7911F8FC15 for ; Thu, 17 Jul 2008 08:03:07 +0000 (UTC) (envelope-from danny@cs.huji.ac.il) Received: from pampa.cs.huji.ac.il ([132.65.80.32]) by cs1.cs.huji.ac.il with esmtp id 1KJOSA-000A05-0p for freebsd-hackers@freebsd.org; Thu, 17 Jul 2008 11:03:06 +0300 X-Mailer: exmh version 2.7.2 01/07/2005 with nmh-1.2 To: freebsd-hackers@freebsd.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Thu, 17 Jul 2008 11:03:05 +0300 From: Danny Braniss Message-ID: Subject: UPDATE & backdating X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Jul 2008 08:03:07 -0000 I don't know if this is the usual case, but I was caught by surprice :-) --- /r+d/7.0/src/UPDATING 2008-02-28 17:28:19.000000000 +0200 +++ /r+d/releng_7/src/UPDATING 2008-07-14 09:07:13.000000000 +0300 @@ -285,6 +285,20 @@ This does not affect those who are using "/dev/dsp". 20061122: + geom(4)'s gmirror(8) class metadata structure has been + rev'd from v3 to v4. If you update across this point and + your metadata is converted for you, you will not be easily + able to downgrade since the /boot/kernel.old/geom_mirror.ko + kernel module will be unable to read the v4 metadata. You + can resolve this by doing from the loader(8) prompt: + + set vfs.root.mountfrom="ufs:/dev/XXX" + + where XXX is the root slice of one of the disks that composed + the mirror (i.e.: /dev/ad0s1a). You can then rebuild + the array the same way you built it originally. + +20061122: The following binaries have been disconnected from the build: mount_devfs, mount_ext2fs, mount_fdescfs, mount_procfs, mount_linprocfs, and mount_std. The functionality of these programs has been @@ -925,4 +939,4 @@ Contact Warner Losh if you have any questions about your use of this document. -$FreeBSD: src/UPDATING,v 1.507.2.5 2008/02/24 05:16:55 kensmith Exp $ +$FreeBSD: src/UPDATING,v 1.507.2.7 2008/07/13 18:11:50 remko Exp $