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That article suggests enabling automatic trim with the discard option, but that's not recommended any longer. A more up to date article: http://askubuntu.com/q

That article suggests enabling automatic trim with the discard option, but that's not recommended any longer. A more up to date article: http://askubuntu.com/questions/18903/how-to-enable-trim http://askubuntu.com/questions/18903/how-to-enable-trim

bad_user 13y ago
That article is useless for dm-crypt encrypted volumes.
- cpleppert 13y ago
  You have to disable TRIM on the encrypted filesystem with the discard option in crypttab and then set issue_discards to true in lvm.conf.