I Just ran into a problem with a jfs volume on one of my linux boxes
today:
Just got these error messages in my logs today:
Apr 20 09:47:45 fnth46 kernel: blkno = 2e6e75666b, nblocks = 363468
Apr 20 09:47:45 fnth46 kernel: ERROR: (device md6): dbUpdatePMap: blocks
are outside the map
Apr 20 09:47:45 fnth46 kernel: blkno = 2e6e75666b, nblocks = 363468
Apr 20 09:47:45 fnth46 kernel: ERROR: (device md6): dbFree: block to be
freed is outside the map
Apr 20 09:47:45 fnth46 kernel: blkno = 2e37333732, nblocks = 74612e
Apr 20 09:47:45 fnth46 kernel: ERROR: (device md6): dbFree: block to be
freed is outside the map
subsequent fsck shows:
fnth46 etc # fsck.jfs /dev/md6
fsck.jfs version 1.1.7, 22-Jul-2004
processing started: 4/20/2005 11.44.51
Using default parameter: -p
The current device is: /dev/md6
Block size in bytes: 4096
Filesystem size in blocks: 2441856
**Phase 0 - Replay Journal Log
**Phase 1 - Check Blocks, Files/Directories, and Directory Entries
**Phase 2 - Count links
**Phase 3 - Duplicate Block Rescan and Directory Connectedness
**Phase 4 - Report Problems
File system object FF4307 is linked as: /wessely/public_html/index.html~
cannot repair the data format error(s) in this file.
cannot repair FF4307. Will release.
**Phase 5 - Check Connectivity
**Phase 6 - Perform Approved Corrections
**Phase 7 - Rebuild File/Directory Allocation Maps
**Phase 8 - Rebuild Disk Allocation Maps
9767424 kilobytes total disk space.
412 kilobytes in 160 directories.
63134 kilobytes in 1133 user files.
8 kilobytes in extended attributes
35962 kilobytes reserved for system use.
9668732 kilobytes are available for use.
Filesystem is clean.
further information:
fnth46 root # uname -a
Linux fnth46 2.6.10-ac5 #1 SMP Fri Jan 7 12:22:27 CET 2005 i686 Intel(R)
Pentium(R) 4 CPU 3.00GHz GenuineIntel GNU/Linux
fnth46 root # uptime
13:14:58 up 40 days, 1:59, 2 users, load average: 0.00, 0.00, 0.00
Reboot on 2005-03-11 was after an unclean shutdown
fnth46 home # ls -la wessely/public_html/inde*
-rw-r--r-- 1 root root 204 Mar 4 13:20 wessely/public_html/index.html
(backup file hasn't been touched since this time)
fsck.jfs version 1.1.7 was installed after getting the kernel error and
r/o remount; previosuly, I was running 1.1.3.
Any Idea what's going on and (more important) what I should do to
prevent something like this from reoccuring?
Any further Information I can provide?
Thanks, Martin
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