Date: Wed, 9 Aug 2017 05:21:57 +0000 (UTC) From: Kirk McKusick <mckusick@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r322298 - head Message-ID: <201708090521.v795LvgP015801@repo.freebsd.org>
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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
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