In a three-node Isilon cluster using N+1n data protection, a single 128 KB file is written.
How are the stripe units distributed over the nodes?

A.
Node 1: 64 KB stripe unit Node 2: 64 KB mirror Node 3: 64 KB FEC

B.
Node 1: 64 KB stripe unit Node 2: 64 KB stripe unit Node 3: 64 KB FEC

C.
Node 1: 128 KB stripe unit Node 2: 128 KB FEC

D.
Node 1: 128 KB stripe unit Node 2: 128 KB mirror Node 3: 128 KB FEC

Explanation: