File system journals have reduced the likelihood of unlinked inodes ending up in /lost+found but have not eliminated it completely. There is still a non-zero ch

File system journals have reduced the likelihood of unlinked inodes ending up in /lost+found but have not eliminated it completely. There is still a non-zero chance a journal corruption as well during a unexpected shutdown or complete power loss during the journal update and something turning up after a full fsck run later.