Btrfs disk space usage monitor
A simple Btrfs disk space usage monitor.
There is also a version written in Go.
Feature
- Print a warning if the Btrfs filesystem data usage drops below a free limit percentage.
Installation
The following steps require that Rust is installed. The install path used here ($HOME/bin) is an example.
To install from crates.io, run:
$ cargo install btrfs-usage-monitor
To install to a specific folder, do one of the following.
Install from crates.io to $HOME/bin:
$ cargo install --root $HOME btrfs-usage-monitor
Install from GitHub to $HOME/bin, for example, the latest commit:
$ cargo install --root $HOME --git https://github.com/willemw12/btrfs-usage-monitor
or
$ git clone https://github.com/willemw12/btrfs-usage-monitor
$ cd btrfs-usage-monitor
$ cargo build --release --out-dir=$HOME/bin
Usage
Print a warning if Btrfs filesystem data usage drops below the free limit percentage
USAGE:
btrfs-usage-monitor <path> <free-limit-percentage>
ARGS:
<path> Path to a subvolume or folder on the Btrfs filesystem
<free-limit-percentage> Maximum free filesystem data usage in percentage
Example
# btrfs-usage-monitor /mnt/btrfs 10
WARNING /mnt/btrfs free: 752.58GiB (min: 681.47GiB), 9% (limit: 10%)
License
GPL-3.0 or later
