Deployment Guide

5. Label the back-end cables.
Add an SCv300 and SCv320 Expansion Enclosure to the B-
Side of the Chain
Connect the expansion enclosure to one side of the chain at a time to maintain drive availability.
Steps
1. Disconnect the B-side cable (shown in blue) from the expansion enclosure: bottom EMM, port B. The A-side cables continue to carry
I/O while the B-side is disconnected.
Figure 62. Disconnect B-Side Cable from the Existing Expansion Enclosure
1.
Storage system 2. Storage controller 1
3. Storage controller 2 4. Expansion enclosure 1
5. New expansion enclosure (2)
2. Use a new SAS cable to connect expansion enclosure 1: bottom EMM, port 2 to the new expansion enclosure (2): bottom EMM, port
1.
3. Connect the B-side cable that was disconnected in step 1 to the new expansion enclosure (2): bottom EMM, port 2.
86
Adding or Removing Expansion Enclosures