Date: Wed, 19 Jan 2005 16:08:07 +0100 From: Matthias Andree <matthias.andree@gmx.de> To: Matthias Andree <matthias.andree@gmx.de> Cc: re@freebsd.org Subject: Re: 4.11-RC3: SCSI+UFS+softupdates corruption (write cache DISABLED!) Message-ID: <m3brblqwx4.fsf@merlin.emma.line.org> In-Reply-To: <m38y6pbkaz.fsf@merlin.emma.line.org> (Matthias Andree's message of "Wed, 19 Jan 2005 14:49:40 %2B0100") References: <m38y6pbkaz.fsf@merlin.emma.line.org>
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Matthias Andree <matthias.andree@gmx.de> writes: > so apparently, three (checkouts.cvs:., . and ..) or four files (perhaps > the # file) have disappeared. I'm not sure if fsck will revive them, I > want to avoid destroying data useful for debugging. OK, I dd'd the whole partition to an SLR tape and ran fsck for interactive repairs. | ** /dev/da0s1g | ** Last Mounted on /usr | ** Phase 1 - Check Blocks and Sizes | ** Phase 2 - Check Pathnames | DIRECTORY CORRUPTED I=175105 OWNER=root MODE=40755 | SIZE=512 MTIME=Jan 18 15:14 2005 | DIR=? | | UNEXPECTED SOFT UPDATE INCONSISTENCY | | SALVAGE? [yn] y | | MISSING '.' I=175105 OWNER=root MODE=40755 | SIZE=512 MTIME=Jan 18 15:14 2005 | DIR=? | | UNEXPECTED SOFT UPDATE INCONSISTENCY | | FIX? [yn] y | | MISSING '..' I=175105 OWNER=root MODE=40755 | SIZE=512 MTIME=Jan 18 15:14 2005 | DIR=/sup/ports-all | | UNEXPECTED SOFT UPDATE INCONSISTENCY | | FIX? [yn] y | | ** Phase 3 - Check Connectivity | ** Phase 4 - Check Reference Counts | UNREF FILE I=176801 OWNER=root MODE=100644 | SIZE=14098161 MTIME=Jan 18 15:14 2005 | RECONNECT? [yn] y | | NO lost+found DIRECTORY | CREATE? [yn] y | | UNREF FILE I=179558 OWNER=root MODE=100644 | SIZE=8327913 MTIME=Mar 20 03:11 2004 | RECONNECT? [yn] y | | ** Phase 5 - Check Cyl groups | FREE BLK COUNT(S) WRONG IN SUPERBLK | SALVAGE? [yn] y | | SUMMARY INFORMATION BAD | SALVAGE? [yn] y | | BLK(S) MISSING IN BIT MAPS | SALVAGE? [yn] y | | 243085 files, 1465923 used, 274252 free (102444 frags, 21476 blocks, 5.9% fragmentation) | | ***** FILE SYSTEM MARKED CLEAN ***** | | ***** FILE SYSTEM WAS MODIFIED ***** Turns out the missing two files ended up in lost+found. Is this a failure mode that is allowed to happen for softupdates? -- Matthias Andree
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