I've installed zfs-dkms and it did the work. I can confirm system works as expected and performance is higher now.
# uname -a Linux nas139 5.15.0-33-generic #34-Ubuntu SMP Wed May 18 13:34:26 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux # zfs --version zfs-2.1.4-0ubuntu0.1 zfs-kmod-2.1.4-0ubuntu0.1 ** Tags removed: verification-needed verification-needed-jammy ** Tags added: verification-done-jammy -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1969482 Title: zfs-2.1.4+ sru To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1969482/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs