This is a document I wrote a while back for work that I thought I would release in hopes that some people out there would find it useful.
Preferably, you have a backup of the file system that you can use. If not, the filesystem you are about to try to to recover a file on must meet these requirements:
- No new files have been created on the filesystem.
- No files have been extended.
- The filesystem is able to be unmounted.
- It is a JFS filesystem, not JFS2
If so, then please, drink a few more beers and continue, but before you do…
BACKUP THE CURRENT FILESYSTEM!
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