From owner-svn-src-head@freebsd.org Wed Aug 9 05:21:58 2017 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 9721ADC3026; Wed, 9 Aug 2017 05:21:58 +0000 (UTC) (envelope-from mckusick@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 61E25355F; Wed, 9 Aug 2017 05:21:58 +0000 (UTC) (envelope-from mckusick@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id v795LvoX015802; Wed, 9 Aug 2017 05:21:57 GMT (envelope-from mckusick@FreeBSD.org) Received: (from mckusick@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id v795LvgP015801; Wed, 9 Aug 2017 05:21:57 GMT (envelope-from mckusick@FreeBSD.org) Message-Id: <201708090521.v795LvgP015801@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: mckusick set sender to mckusick@FreeBSD.org using -f From: Kirk McKusick Date: Wed, 9 Aug 2017 05:21:57 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r322298 - head X-SVN-Group: head X-SVN-Commit-Author: mckusick X-SVN-Commit-Paths: head X-SVN-Commit-Revision: 322298 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 09 Aug 2017 05:21:58 -0000 Author: mckusick Date: Wed Aug 9 05:21:57 2017 New Revision: 322298 URL: https://svnweb.freebsd.org/changeset/base/322298 Log: Add an entry to UPDATING for r322297 which restores the ability of fsck to automatically find alternate superblocks when the standard one is trashed or unavailable. MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D11589 Modified: head/UPDATING Modified: head/UPDATING ============================================================================== --- head/UPDATING Wed Aug 9 05:17:21 2017 (r322297) +++ head/UPDATING Wed Aug 9 05:21:57 2017 (r322298) @@ -51,6 +51,19 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 12.x IS SLOW: ****************************** SPECIAL WARNING: ****************************** +20170808: + Since the switch to GPT disk labels, fsck for UFS/FFS has been + unable to automatically find alternate superblocks. As of r322297, + the information needed to find alternate superblocks has been + moved to the end of the area reserved for the boot block. + Filesystems created with a newfs of this vintage or later + will create the recovery information. If you have a filesystem + created prior to this change and wish to have a recovery block + created for your filesystem, you can do so by running fsck in + forground mode (i.e., do not use the -p or -y options). As it + starts, fsck will ask ``SAVE DATA TO FIND ALTERNATE SUPERBLOCKS'' + to which you should answer yes. + 20170728: As of r321665, an NFSv4 server configuration that services Kerberos mounts or clients that do not support the uid/gid in