[Unit]
Description=BTRFS auto scrub
ConditionPathIsMountPoint={{ storage['btrfs']['mount_point'] }}
RequiresMountsFor={{ storage['btrfs']['mount_point'] }}

[Service]
Type=oneshot
ExecStart=/usr/bin/btrfs scrub start -Bd {{ storage['btrfs']['mount_point'] }}
Nice=19
IOSchedulingClass=idle