Question

Suppose a system has 100 disks, each with Mean Time to Failure (MTTF) of 1,000,000 hours. What will be the system MTTF in days (approximately)? Marks: MCQ
a) 41 days
b) 416 days
c) 400 days
d) 100 days

Answer 1

Hey...

I think 100 days....

Answer 2

Mean time failure for all disc = 1000000/100 hours = 10000 hours.

In day it will be 10000/24 days = 416.67 days

So correct answer is b. 416 days.