The two commands are; "zpool status and zpool isotat -v commands." If there is a single disk failure, to protect that failure a Raid-z volume needs a minimum of three hard disks. And if there is a multi disk failure, to protect that multi disk failure a Raid-z volume needs a minimum of seven hard disks.
The worlds most largest national economy in nominal terms. Is the second largest in purchasing power parity (ppp). representing 22 percent of nominal global gpd and 17 percent of gross world product (gwd)