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Forum Discussion
tomiaurednik
Mar 29, 2017Tutor
User has been Auto deleted - all data lost
Netgear RN10400 , fw: 6.6.0, 2 x 1TB, RAID 1. User has been Auto deleted - all data lost. Can not acces local user home dir?!? Can someone check this? Or tell me, in which log can I check th...
- Apr 11, 2017
Please if you haven't already. Have a read of Having ReadyCLOUD problems since 3/30/17?
This announcement has been updated over time.
I'm going to mark this as the solution to make sure those visiting this thread see this post.
Björn_Eberhardt
Apr 13, 2017Aspirant
So the ReadyNAS Support has recovered most of the data from /home, twice (using two different recovery scripts), and - fortunately - the most important of it is included in it, from what I can tell after looking into the recovery for a couple of minutes.
What keeps me wondering were folders where almost all files are 0kB in size. The filenames are intact, and from the filenames I believe they are duplicates anyway and exist elsewhere on the system. Is that how Btrfs deduplications work? If yes, that's a very interesting cool feature!
- jak0lantashApr 13, 2017Mentor
Björn_Eberhardt wrote:What keeps me wondering were folders where almost all files are 0kB in size. The filenames are intact, and from the filenames I believe they are duplicates anyway and exist elsewhere on the system. Is that how Btrfs deduplications work? If yes, that's a very interesting cool feature!
It's not dedup.
Tree and data are stored separately on filesystems.
Maybe: BTRFS metadata were readable, which gave you the tree, but the data was gone, which gave empty files.
Or maybe, it's something to do with snapshots. Can't be sure without knowing what the scripts used.
On recovered data, I'd strongly advise you to open files and check their content before considering them restored.
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