Finding the root cause of 100% iowait in Linux
Solution 1:
Have you tried iotop? It lists processes trying to do io.
Also try smartctl -a /dev/sd* to see if there are any S.M.A.R.T. errors.
Have you tried iotop? It lists processes trying to do io.
Also try smartctl -a /dev/sd* to see if there are any S.M.A.R.T. errors.