Date: Wed, 03 Feb 2016 02:34:43 +0100 From: "Julian H. Stacey" <jhs@berklix.com> To: fs@freebsd.org Cc: "Julian H. Stacey" <jhs@berklix.com> Subject: fsck on current not always prompting a 2nd run when it should Message-ID: <201602030134.u131YhTn084882@fire.js.berklix.net>
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Hi fs@ people fsck is sometimes (not always) not prompting for a 2nd run of fsck when FS is still bad. (After a few crashes I've become cautious enough to give it a 2nd run even after it first detects no errors left to fix. There's a bug in fsck somewhere, it should ask for a re-run more than it does. fsck running on uname -a FreeBSD lapr.js.berklix.net 11.0-CURRENT FreeBSD 11.0-CURRENT #12182: Mon Oct 19 23:57:08 CEST 2015 jhs@lapr.js.berklix.net:/usr/src/sys/amd64/compile/LAPR.small amd64 Background: partition was corrupted running 10.2-RELEASE, but fsck is running on current. On 10.2-RELEASE I've been doing intensive IO for days, cd /usr/ports ; make reinstall-recursive # http://berklix.com/~jhs/src/bsd/fixes/FreeBSD/ports/gen/Mk/ with a selection of */Makefile.inc that result in my 1000+ favourites being shown by pkg info | wc -l This has repeatedly reinstalled some common dependency ports/, hence heavy IO. + rdist mirroring, + devd usb ufs stick mounts, mdconfig, gbde, shells to umount & maybe mdconfig -u after. Plenty of activity might have caused the corruption, but ... I'm not querying corruption on 10.2-RELEASE I'm just concerned fsck on current fails to tell me to re-run fsck. I didnt save previous fsck reports, but have this one. Current fstab: /dev/ada0s4f /data ufs rw,noauto 1 5 rc.conf: background_fsck="NO" dumpfs -m /dev/ada0s4f newfs -O 2 -U -a 4 -b 32768 -d 32768 -e 4096 -f 4096 -g 16384 -h 64 -i 8192 -j -k 6408 -m 8 -o time -s 1793576920 /dev/ada0s4f fsck -y /data ** /dev/ada0s4f USE JOURNAL? yes ** SU+J Recovering /dev/ada0s4f ** Reading 33554432 byte journal from inode 70. RECOVER? yes ** Building recovery table. ** Resolving unreferenced inode list. ** Processing journal entries. WRITE CHANGES? yes ** 1974 journal records in 105472 bytes for 59.89% utilization ** Freed 0 inodes (0 dirs) 0 blocks, and 0 frags. ***** FILE SYSTEM MARKED CLEAN ***** That ran very suspiciously quickly, so I ran it again, took a long time (as about 900 gig) fsck -y /data ** /dev/ada0s4f USE JOURNAL? yes ** SU+J Recovering /dev/ada0s4f Journal timestamp does not match fs mount time ** Skipping journal, falling through to full fsck ** Last Mounted on /s4/data ** Phase 1 - Check Blocks and Sizes ** Phase 2 - Check Pathnames UNALLOCATED I=19604676 OWNER=root MODE=0 SIZE=0 MTIME=Feb 3 00:52 2016 NAME=/release/10.2-RELEASE/usr/ports/x11/pixman/work/.PLIST.setuid UNEXPECTED SOFT UPDATE INCONSISTENCY REMOVE? yes UNALLOCATED I=19604677 OWNER=root MODE=0 SIZE=0 MTIME=Feb 3 00:52 2016 NAME=/release/10.2-RELEASE/usr/ports/x11/pixman/work/.PLIST.writable UNEXPECTED SOFT UPDATE INCONSISTENCY REMOVE? yes UNALLOCATED I=19604678 OWNER=root MODE=0 SIZE=0 MTIME=Feb 3 00:52 2016 NAME=/release/10.2-RELEASE/usr/ports/x11/pixman/work/.PLIST.objdump UNEXPECTED SOFT UPDATE INCONSISTENCY REMOVE? yes UNALLOCATED I=19604679 OWNER=root MODE=0 SIZE=0 MTIME=Feb 3 00:40 2016 NAME=/release/10.2-RELEASE/usr/ports/x11/pixman/work/.install_done.pixman._usr_local UNEXPECTED SOFT UPDATE INCONSISTENCY REMOVE? yes ** Phase 3 - Check Connectivity ** Phase 4 - Check Reference Counts ** Phase 5 - Check Cyl groups FREE BLK COUNT(S) WRONG IN SUPERBLK SALVAGE? yes SUMMARY INFORMATION BAD SALVAGE? yes BLK(S) MISSING IN BIT MAPS SALVAGE? yes 10707223 files, 158068913 used, 59088404 free (1210332 frags, 7234759 blocks, 0.6% fragmentation) ***** FILE SYSTEM MARKED DIRTY ***** ***** FILE SYSTEM WAS MODIFIED ***** ***** PLEASE RERUN FSCK ***** fsck -y /data ** /dev/ada0s4f USE JOURNAL? yes ** SU+J Recovering /dev/ada0s4f Journal timestamp does not match fs mount time ** Skipping journal, falling through to full fsck ** Last Mounted on /s4/data ** Phase 1 - Check Blocks and Sizes ** Phase 2 - Check Pathnames ** Phase 2 - Check Pathnames ** Phase 3 - Check Connectivity ** Phase 4 - Check Reference Counts ** Phase 5 - Check Cyl groups 10707223 files, 158068913 used, 59088404 free (1210332 frags, 7234759 blocks, 0.6% fragmentation) ***** FILE SYSTEM MARKED CLEAN ***** ***** FILE SYSTEM WAS MODIFIED ***** Cheers, Julian -- Julian Stacey, BSD Linux Unix Sys. Eng. Consultant Munich http://berklix.eu Mail plain text, No quoted-printable, HTML, base64, MS.doc. Prefix old lines '> ' Reply below old, like play script. Break lines by 80.
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