646,647c646,647
<         dtot=$(df -k --total -x tmpfs -x devtmpfs -x overlay -x squashfs 2>/dev/null | awk '/^total/ {print $2}')
<         dused=$(df -k --total -x tmpfs -x devtmpfs -x overlay -x squashfs 2>/dev/null | awk '/^total/ {print $3}')
---
> 	dtot=$(lsblk -d -b -o SIZE,TYPE,TRAN | awk '$2 == "disk" && $3 != "" {total += $1} END {print int(total / 1024)}')
> 	dused=$(df -l -P -k 2>/dev/null | awk 'NR == 1 { next } !seen[$1]++ { used += $3 } END { print int(used) }')