server-scripts/scripts/script-drives-fix-btrfs-full

#!/usr/bin/env bash
# Fix the btrfs out of space error
# Copyright 2021-2025 Bryan C. Roessler
# Licensed under the Apache License, Version 2.0
p="${BASH_SOURCE[0]%/*}"; [[ -r $p/script-functions ]] && . "$p"/script-functions || exit 1

is_root

fs=( "/mnt/array" "/mnt/backup" )

# Discard empty blocks
for f in "${fs[@]}"; do
    btrfs balance start -dusage=0 "$f"
    btrfs balance start -musage=0 "$f"
done