Dell SC4020 - Add a Second SC280 Expansion Enclosure to the B-Side of the Chain

Figure 142. Connect the A-Side Cables to the New Expansion Enclosure
1. Storage system 2. Storage controller 1
3. Storage controller 2 4. Expansion enclosure 1
5. New expansion enclosure (2)
Add a Second SC280 Expansion Enclosure to the B-Side of the Chain
Connect an expansion enclosure to one side of the chain at a time to maintain drive availability.
1. Disconnect the B-side cable (shown in blue) from the expansion enclosure: right EMM, port B. The
A-side cable continues to carry I/O while the B-side is disconnected.
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Adding or Removing an Expansion Enclosure