SP ownership is defined at LUN level, not a bad idea to spread the load between two SPs.

trespass is very fast, host will not detect a thing (assumes host has working connection to the other SP).

dynamox,

Exist impact (risk) on change of SP A to SP B?

The changes are transparent?

change default owner to SPA, then right click on the LUN and select Trespass.

confirming:

Local to trespass. Simply just select SP A.