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Figure 67. Remove the A-Side Cable from the Storage Controllers
1. Storage system
2. Storage controller 1
3. Storage controller 2
2. Add the expansion enclosures to the A-side chain.
a. Connect a SAS cable from storage controller 1: port A to the first expansion enclosure in the
chain, top EMM, port A.
b. Connect a SAS cable from storage controller 2: port B to the last expansion enclosure in the
chain, top EMM, port B.
Figure 68. Connect the A-Side Cables to the Expansion Enclosures
1. Storage system 2. Storage controller 1
3. Storage controller 2 4. Expansion enclosure 1
5. Expansion enclosure 2
Add the Expansion Enclosures to the B-Side Chain
Connect the expansion enclosures to one chain at a time to maintain drive availability.
1. Disconnect the B-side chain that interconnects the storage controllers.
Remove the SAS cable that connects storage controller 1: port B to storage controller 2: port A.
Adding or Removing an Expansion Enclosure
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