resize2fs: Bad magic number in super-block while trying to open

I am trying to resize a logical volume on CentOS7 but am running into the following error: resize2fs 1.42.9 (28-Dec-2013) resize2fs: Bad magic number in super-block while trying to open /dev/mapper/centos-root Couldn’t find valid filesystem superblock. I have tried adding a new partition (using fdisk) and using vgextend to extend the volume group, then resizing. … Read more