Upgrade guide from going from ESX 3.5 to ESX 4.0 with ALUA

[listener]

Is there a document on upgrading ESX 3.5 without ALUA to ESX 4.0 using it with ALUA?

The vSphere upgrade guide I found didn't mention ALUA at all.

thanks

http://www.vmware.com/pdf/vsphere4/r40/vsp_40_upgrade_guide.pdf