#!/usr/bin/env bash

# author:	Daniel Sommer <daniel.sommer@velvettear.de>
# license:	MIT

[[ "$EUID" != 0 ]] && printf "error: permission denied!\n" && exit 1

printf "scrubbing all available zfs pools...\n"

mapfile -t pools < <(zpool list | tail -n +2 | awk '{print $1}')
for pool in "${pools[@]}"; do
	timestamp="$SECONDS"
	printf "scrubbing zfs pool '"$pool"'...\n"
	zpool scrub -w "$pool"
	printf "scrubbing zfs pool '"$pool"' finished after $(( $SECONDS - $timestamp )) seconds!\n"
done

printf "scrubbing all available zfs pools finished after $SECONDS seconds!\n"