Peter, that is a great explanation.
Could you explain a little more on the commands. I mean what do we have to look for that says something is wrong, when we type in the commands.
isi statistics system --nodes --top
isi statistics client --orderby=Ops --top
isi statistics pstat
isi statistics drive -nall -t --long --orderby=OpsOut
isi statistics client --orderby=Ops --top --long