On Mon, Jan 7, 2013 at 2:11 PM, Florian Philipp <[email protected]> wrote: > Hi list! > > I have a use case where I am seriously concerned about bit rot [1] and I > thought it might be a good idea to start looking for it in my own > private stuff, too. > > Solving the problem is easy enough: > - Record checksums and timestamps for each file > - Check and update records via cronjob > - If checksum changed but timestamp didn't, notify user > - Let user restore from backup > > However, I haven't found any application in portage for this task. Now, > the implementation is easy enough but I'm wondering why it hasn't been > done. Or do I just look for the wrong thing? The only suitable thing > seems to be app-admin/tripwire but that application also looks like > overkill.
Not really what you are asking for, but I think btrfs and zfs have checksumming built-in to the filesystem. I'm not sure what userspace tools are like to monitor this, or if it's just an fsck away.

