Author: Eiko

Time: 2025-12-20 15:04:35 - 2025-12-20 15:04:35 (UTC)

Resize Btrfs Partition Online

You can easily resize a btrfs partition without going to live ISO.

Check how much space is left unused:

sudo btrfs file usa /
sudo btrfs file resize / -32g # any size you want

sudo parted /dev/nvme..../

unit GiB
print
resizepart <partId> <calculatedNewEnd>
quit

sudo btrfs file resize max /