Sry, I dont have links to tutorials, but ull find many infos in this forum.
About staggering, its just setting a delay between the starts of ur parallel plots. If 10 plots are copied onto a single HDD at the same time, every other component of ur computer will be idling until those 11GB are written.
Also, there are 3 different phases, which each use different resources (cpu, RAM, SSD).
PS: found a good link: How to Get Support - READ FIRST