IO队列长度监控

IO队列长度监控

#!/bin/bash

io () {
  device_num=`iostat -x | egrep "^sd[a-z]"` | wc -l
  iostat -x 1 3 | egrep "^sa[a-z]" | tail -n +$((device_num+1)) | awk ‘{io_long[$1]+=$9}END{for (i in io_long)print (io_long[i], i)}‘ 
}


#while true
#do
  io
#  sleep 5
#done