In debian, by default the encrypted partition, after it is setup, it is filled with random data such that it's encrypted and stored on disk.
In ubuntu, it is our conscious decision to not do this due to performance constraints by default, upon installation. There is a a pre-seedable and manually selectable option to opt into filling the encrypted volumes with random data. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1506995 Title: Ubiquity uses /dev/null when setting up encrypted swap To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1506995/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs