FusionCompute uses IP SAN storage, and the disk creation fails probabilistically. Which of the following may cause this failure?

FusionCompute uses IP SAN storage, and the disk creation fails probabilistically. Which of the following may cause this failure?
A . Data consistency check is enabled on the storage resource
B . Incorrect VLAN ID setting on the storage interface
C . LUN has bad blocks
D . No independent network plane is configured to carry virtualized SAN storage heartbeat traffic

Answer: C