Very Computer

1. AIX 4.2: Need help repairing a filesystem that causes flashing 888's

Hi All,

I have an RS6K model 7006 that is running AIX 4.2.1. Something has
damaged files
on one filesystem in such a way that any attempt to access them in any
way causes a crash: flashing 888 - 102 - 700 - 0c0. This includes the
commands rm -rf, ls, acledit, tar and others. Even fsck run on the
quiescent (unmounted filesystem) fails - it issues the following
messages and simply exits.

** Checking  /dev/rlv01 (/home)
** Phase 0 - Check Log
log redo processing for /dev/rlv01
** Phase 1 - Check Blocks and Sizes
Unknown File Type I=41088 owner=1827866635 mode=36635053170 size=

(At which point fsck exits)

I would prefer to fix the filesystem if possible rather than deleting
the filesystem/logical volume, recreating the filesystem and restoring
from last weeks backups (assuming that process would work). Almost all
the files are apparently still accessible - there appear to be a small
number of files that cause the error noted above. I have run stand-alone
diagnostics on the computer including the SCSI bus as well as the disks
(including a surface verify) which seem to minimize the possibility of a
hardware fault.

Any ideas or suggestions would be most appreciated. Are there any tools
available to manually repair the inode map/entries? Even deleting these
files/directories that are causing the errors would be fine.

Thanks,

David

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