Your customer is moving from a Restaurant/Bar business model to a Restaurant/Casino business
model. You are helping architect the upgrade of a current 4-node X200 48 TB Isilon cluster, with
50% utilized for their video surveillance operations.

They want to upgrade from 15 FPS (NTSC) in H.264 codec, with a 15 days retention policy to 30
FPS (NTSC) in H.264 codec with a 30 days retention policy.
Which storage capacity would be the best suited to meet the required changes and utilize 65-75%
capacity?

A.
110 TB

B.
80TB

C.
140TB

D.
50TB

Explanation: