On 4/2/12 12:45 AM, Dave B wrote:
>
> Hi,
>
> The two files in the root directory of a 500GB external USB HDD became
> corrupt,
> probably due to a power failure.
>
> dave@K-Matrix $ ls -l /media/Galaxy/
> ls: cannot access /media/Galaxy/ChnSchld_pre_4-14.tgz: No such file or
> directory
> ls: cannot access /media/Galaxy/dhr820xu.ext: No such file or directory
> total 24
> ?????????? ? ? ? ? ? ChnSchld_pre_4-14.tgz
> ?????????? ? ? ? ? ? dhr820xu.ext
> drwxr-xr-x 7 dave dave 4096 2012-02-13 12:45 DHR recordings
> drwxr-xr-x 212 dave dave 12288 2008-11-30 00:21 Miles Davis
> drwxr-xr-x 5 dave dave 4096 2012-02-16 06:06 PartImage
>
>
> xfs_repair didn't help much; it just removed the two filenames.
> At minimum, I expected two entries in L+F but the L+F directory was not
> created.
>
> dave@K-Matrix $ sudo xfs_repair /dev/sdc1
> Phase 1 - find and verify superblock...
> Phase 2 - using internal log
> - zero log...
> - scan filesystem freespace and inode maps...
> - found root inode chunk
> Phase 3 - for each AG...
> - scan and clear agi unlinked lists...
> - process known inodes and perform inode discovery...
> - agno = 0
> - agno = 1
> - agno = 2
> - agno = 3
> - process newly discovered inodes...
> Phase 4 - check for duplicate blocks...
> - setting up duplicate extent list...
> - check for inodes claiming duplicate blocks...
> - agno = 0
> entry "ChnSchld_pre_4-14.tgz" in shortform directory 128 references free
> inode 48145461
> junking entry "ChnSchld_pre_4-14.tgz" in directory inode 128
> entry "dhr820xu.ext" in shortform directory 128 references free inode 48145451
> junking entry "dhr820xu.ext" in directory inode 128
> - agno = 1
> - agno = 2
> - agno = 3
> Phase 5 - rebuild AG headers and trees...
> - reset superblock...
> Phase 6 - check inode connectivity...
> - resetting contents of realtime bitmap and summary inodes
> - traversing filesystem ...
> - traversal finished ...
> - moving disconnected inodes to lost+found ...
> Phase 7 - verify and correct link counts...
> done
>
>
> See longer console session and before/after metadumps in ~7MB d/l at:
> http://daxxi.net/xfs/Galaxy_500GB_xfs.tar.gz
> user: xfs , p/w: xfs
> (please only d/l if 2x240MB metadumps will be meaningful to you)
>
>
> Environment:
> Linux K-Matrix 3.0.0-16-generic #29-Ubuntu SMP Tue Feb 14 12:49:42 UTC 2012
> i686 athlon i386 GNU/Linux
Thanks, I'll take a look at this, grabbing the images now.
-Eric
>
> Dave
>
>
>
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