Dave Howorth wrote:
He meant run the command 3 times, substituting the letters of your actual drives for the variable X e.g. fsck -n /dev/sda
OK, good. Here we go: ---- localhost:/home/siberia # fsck -n /dev/nvme0n1 fsck from util-linux 2.36.2 e2fsck 1.43.8 (1-Jan-2018) Warning! /dev/nvme0n1 is in use. ext2fs_open2: Bad magic number in super-block fsck.ext2: Superblock invalid, trying backup blocks... fsck.ext2: Bad magic number in super-block while trying to open /dev/nvme0n1 The superblock could not be read or does not describe a valid ext2/ext3/ext4 filesystem. If the device is valid and it really contains an ext2/ext3/ext4 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and you might try running e2fsck with an alternate superblock: e2fsck -b 8193 <device> or e2fsck -b 32768 <device> Found a gpt partition table in /dev/nvme0n1 ---- ---- localhost:/home/siberia # fsck -n /dev/sda fsck from util-linux 2.36.2 e2fsck 1.43.8 (1-Jan-2018) ext2fs_open2: Bad magic number in super-block fsck.ext2: Superblock invalid, trying backup blocks... fsck.ext2: Bad magic number in super-block while trying to open /dev/sda The superblock could not be read or does not describe a valid ext2/ext3/ext4 filesystem. If the device is valid and it really contains an ext2/ext3/ext4 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and you might try running e2fsck with an alternate superblock: e2fsck -b 8193 <device> or e2fsck -b 32768 <device> Found a gpt partition table in /dev/sda ---- ---- localhost:/home/siberia # fsck -n /dev/sdb fsck from util-linux 2.36.2 e2fsck 1.43.8 (1-Jan-2018) Warning! /dev/sdb is in use. ext2fs_open2: Bad magic number in super-block fsck.ext2: Superblock invalid, trying backup blocks... fsck.ext2: Bad magic number in super-block while trying to open /dev/sdb The superblock could not be read or does not describe a valid ext2/ext3/ext4 filesystem. If the device is valid and it really contains an ext2/ext3/ext4 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and you might try running e2fsck with an alternate superblock: e2fsck -b 8193 <device> or e2fsck -b 32768 <device> Found a gpt partition table in /dev/sdb ---- Per Inge Oestmoen, Norway