OceanStor 18500 Uses RAID 2

Multiple Choice

OceanStor 18500 uses RAID 2.0+ virtualization architecture. Which statement is false about planning and configuring storage with RAID 2.0+?

A) Both thick and thin LUNs can be created in the same storage pool.
B) If the performance tier of a storage pool uses the 8D+1P RAID policy, the owning disk domain of the storage pool must have at least 9 SAS disks.
C) The hot spare space of a storage pool comes from each member disk of the storage pool.
D) A storage pool can have three storage tiers, and each tier can have more than one RAID policy.