Dell SC4020 - Disconnect the SC280 Expansion Enclosure from the B-Side of the Chain

Disconnect the SC280 Expansion Enclosure from the B-Side of the Chain
Disconnect the B-side chain from the expansion enclosure.
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.
2. Remove the B-side cable between storage controller 2: port A and the expansion enclosure: right
EMM, port C.
Figure 153. Disconnecting the B-Side Cables from the Expansion Enclosure
1. Storage system
2. Storage controller 1
3. Storage controller 2 4. Expansion enclosure
3. Connect the B-side cable to storage controller 2: port A.
The expansion enclosure is now disconnected and can be removed.
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Adding or Removing an Expansion Enclosure