Good post by Mandivs (thank you)
Recently I was researching some storage related issues and found out this cool feature in @MostafaVMW‘s recent book on Storage Implementation on vSphere 5.0 about ranking your paths when you are using VMW_PSP_MRU with ALUA arrays or non-ALUA Active/Passive Arrays.
So by using the ranked paths you can (indirectly) actually configured preferred path without using the VMW_PSP_FIXED plugin.
Read on here
