Quick answer (I'm about to go get lunch) is to try to mount the drive
read-only and copy off the data.  I'll look at the fsck code when I get
back from lunch to see if there is something we can work around to make
fsck fix it right.

On Tue, 2004-10-19 at 08:49, Matthew Cline wrote:
> After a power failure at home, I have a hard drive partition
> (/dev/hda4) that will not mount. I get the following errors from fsck:
> 
> # jfs_fsck -v -f /dev/hda4
> jfs_fsck version 1.1.4, 30-Oct-2003
> processing started: 10/19/2004 9.12.23
> The current device is:  /dev/hda4
> Open(...READ/WRITE EXCLUSIVE...) returned rc = 0
> Primary superblock is valid.
> The type of file system for the device is JFS.
> Block size in bytes:  4096
> Filesystem size in blocks:  42198738
> **Phase 0 - Replay Journal Log
> LOGREDO:  Log already redone!
> logredo returned rc = 0
> **Phase 1 - Check Blocks, Files/Directories, and  Directory Entries
> Unrecoverable error reading M from /dev/hda4.  CANNOT CONTINUE.
> Fatal error (-10015,30) accessing the filesystem (1,133353553920,16384,0).
> processing terminated:  10/19/2004 9:12:39  with return code: -10015
> exit code: 8.
> 
> Is there any hope of recovering the data from this partition?
> 
> Thanks,
> 
> Matt
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