That appears to be a valid port persistent configuration so it should work. How are you zoning it? Single Initiator/Single Target?
Single Initiator/Multiple Target? or
Multiple Initiator/Multiple Target?
In my environment I zone Single Initiator/Multiple Target with only 4 paths on my physical servers and Single Initiator/Single Target on my esxi hosts with 8 paths.
There is a good write up on zoning and port persistent that I weighed in on a few years ago that is a good read.
https://vmfocus.com/2013/08/22/3par-storeserv-zoning-best-practice-guide/