It still affects me on Ubuntu Focal Fossa 20.04 using parted 3.3, using @Sunil Mohan Adapa (f-su7il-g)#6 workaround does work however the upstream bug report seems to suggest its intentional?
https://lists.gnu.org/archive/html/bug-parted/2020-01/msg00005.html In Ubuntu 19.10 using parted 3.2 this command used to work without interaction and without the -s/--script arguments: parted /dev/sdX resizepart 2 y 100% -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1270203 Title: no way to use resizepart non-interactively on busy partition To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/parted/+bug/1270203/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs