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De-duplication does not mean the duplicates completely disappear. If I download a deduplication utility I expect it to create some sort of soft/hard link. I def
by vultour 2y ago
De-duplication does not mean the duplicates completely disappear. If I download a deduplication utility I expect it to create some sort of soft/hard link. I definitely don’t want it to completely remove random files on the filesystem, that’s just going to wreak havoc.
- sgerenser 2y agoBut it can still wreak havoc if you use hardlinks or softlinks, because maybe there was a good reason for having a duplicate file! Imagine you have a photo “foo.jpg.” You make a copy of it “foo2.jpg” You’re planning on editing that file, but right now, it’s a duplicate. At this point you run your “deduper” that turns the second file into a hardlink. Then a few days later you go and edit the file, but wait, the original “backup” file is now modified too! You lost your original. That’s why Copy-on-write clones are completely different than hardlinks.