What is the MTBF of the set?

seenagape

12 years ago

A five disk set is configured as RAID 5. Each disk has a Mean Time Between Failure (MTBF) of 500,000 hours.
What is the MTBF of the set?

A.
125,000 hours

B.
1,000,000 hours

C.
100,000 hours

D.
2,500,000 hours