request for advice on recovering filesystem

[Eero Volotinen]

2010/9/13 mp <mp at aktivix.org>:
>
> Due to what I think is a failing USB system (too little voltage perhaps)
> an external USB hard drive appeared to be unmounted and remounted about
> 5 times in a very short period of time - maybe less than 10 seconds -
> while music was playing from it, resulting in the file system getting
> mangled up.
>
> The disk then could not be mounted due to a bad superblock or inode.
>
> Stupidly I did not take this very serious and ran ext3.fsck with yes to
> repair as default and it completed successfully and I thought all was
> well, so didn't even keep the log/details.
>
> However, when then mounting the disk it appears empty in a file manager
> (and also "ls" in terminal returns nothing). But "df" tells me that the
> disk has the same amount of data as before (827GB or so).
>
> I am aware of this info and tools:
> http://www.xs4all.nl/~carlo17/howto/undelete_ext3.html
> https://help.ubuntu.com/community/DataRecovery
> http://ubuntuforums.org/showthread.php?t=417761
> http://www.cgsecurity.org/wiki/TestDisk
>
> Am I missing something really useful/crucial?

dd_rescue and photorec

--
Eero