d_list=$(lsblk -S|sed -e 's/ .*//'|grep -E ^sd)d_list=$(zpool status -L |sed -E 's/^[^a-z]+//g' |grep -E ^sd | sed -e 's/ .*//')opt=$(echo "$d_list"|while read a;do echo -n " -g $a $a" ;done)iostat -dx -H $opt 1