Figure 77. Disconnect A-Side Cable from the Existing Expansion Enclosure
1. Storage system 2. Storage controller 1
3. Storage controller 2 4. Expansion enclosure 1
3. Use a new SAS cable to connect expansion enclosure 1: top EMM, port B to the new expansion
enclosure (2): top EMM, port A.
4. Connect the A-side cable that was disconnected in step 2 to the new expansion enclosure (2): top
EMM, port B.
Figure 78. Connect 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 an SC100/SC120 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.
1. Disconnect the B-side cable (shown in blue) from the expansion enclosure: bottom EMM, port B. The
A-side cables continue to carry IO while the B-side is disconnected.
100
Adding or Removing an Expansion Enclosure
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