Add An Sc100/Sc120 Expansion Enclosure To The B-Side Of The Chain - Dell Storage Center SCv2000 Deployment Manual

Figure 77. Disconnect A-Side Cable from the Existing Expansion Enclosure
1. Storage system
3. Storage controller 2
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
3. Storage controller 2
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
2. Storage controller 1
4. Expansion enclosure 1
2. Storage controller 1
4. Expansion enclosure 1
Adding or Removing an Expansion Enclosure