What is the maximum number of disk shelves per loop in …

What is the maximum number of disk shelves per loop in a fabric-attached MetroCluster?

A.
1

B.
2

C.
4

D.
6

Explanation:
You can cable a maximum of two disk shelves on each loop
https://library.netapp.com/ecm/ecm_download_file/ECMP1210206