Name: Dell Storage Center SCv2020
Brand: Dell
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Add the SC100/SC120 Expansion Enclosures to the A-Side of the Chain

Add the SC100/SC120 Expansion Enclosures to the B-Side of the Chain

Label the Back-End Cables

Cable the Expansion Enclosures Together

Cable the expansion enclosures together to form a chain, but do not connect the chain to the storage

system

1. Connect a SAS cable from expansion enclosure 1: top, port B to expansion enclosure 2: top, port A.

2. Connect a SAS cable from expansion enclosure 1: bottom, port B to expansion enclosure 2: bottom,

port A.

Figure 70. Cable the Expansion Enclosures Together

1. Expansion enclosure 1 2. Expansion enclosure 2

3. Repeat the previous steps to connect additional expansion enclosures to the chain.

Check the Current Disk Count before Adding Expansion Enclosures

Use the Dell Storage Client to determine the number of drives that are currently accessible to the Storage

Center.

1. Connect to the Storage Center using the Dell Storage Client.

2. Select the Storage tab.

3. In the Storage tab navigation pane, select the Disks node.

4. On the Disks tab, record the number of drives that are accessible by the Storage Center.

Compare this value to the number of drives accessible by the Storage Center after adding expansion

enclosures to the storage system.

Add the SC100/SC120 Expansion Enclosures to the A-Side of the Chain

Connect the expansion enclosures to one side of the chain at a time to maintain drive availability.

1. Remove the A-side cable (shown in orange) that connects storage controller 1: port A to storage

controller 2: port B. The B-side cable continues to carry IO while the A-side is disconnected.

Adding or Removing an Expansion Enclosure

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