You might have to boot from a recovery CD image, such as a Debian live install image, or GParted Live. You can't actually run fsck on a drive while said drive is mounted.
On Tue, 2 Feb 2021 at 19:24, Stefan Monnier <monn...@iro.umontreal.ca> wrote: > >> My brother's Debian system suddenly says on attempt to boot, "/dev/sda1: > >> UNEXPECTED INCONSISTENCY:Runfsck manually", and, "inodes that were part > of > >> a corrupted orphan linked list found." > >> > >> He enters "fsck" or "fsck /dev/sda1", and in a short while gets fsck > >> identifying it's version, and nothing else. Tha appears to take place > >> from (initramfs) and Busybox. An attempt to reboot just starts the > >> problem all over again. > >> > >> We'd be grateful for help with this. Thanks. > >> > > hello, > > > > fsck -fy /dev/sda1 is probably what you want > > Then again, after the "UNEXPECTED INCONSISTENCY", the `-f` flag to > `fsck` shouldn't be needed. This is weird. > > > Stefan > >