I've encountered a similar issue for a root volume group w/ encryption. How can I try the same workaround as @veribaka starting from a busybox prompt? In busybox /etc/crypttab does not exist.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1887964 Title: VG unavailable after upgrade from 18.04 to 20.04 Cannot process volume group vg01 Volume group "vg01" not found To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lvm2/+bug/1887964/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs