Resize an ext2, ext3 or ext4 filesystem - resize2fs

TLDR pages
1

Resize an ext2, ext3 or ext4 filesystem. Does not resize the underlying partition. The filesystem may have to be unmounted first, read the man page for more details. More information: resize2fs - manned.org.

  • Automatically resize a filesystem:

resize2fs {{/dev/sdXN}}

  • Resize the filesystem to a size of 40G, displaying a progress bar:

resize2fs -p {{/dev/sdXN}} {{40G}}

  • Shrink the filesystem to its minimum possible size:

resize2fs -M {{/dev/sdXN}}