b. Reconnect the A side cables to exclude the expansion enclosure from the chain. Click Next tovalidate the cabling.4. Disconnect the B-side chain.a. Disconnect the B-side cables that connect the expansion enclosure to the storage system..b. Reconnect the B-side cables to exclude the expansion enclosure from the chain.Release the Disks in the Expansion EnclosureUse the Dell Storage Manager Client to release the disks in an expansion enclosure before removing theexpansion enclosure.About this taskReleasing disks causes all of the data to move off the disks.NOTE: Do not release disks unless the remaining disks have enough free space for the restripeddata.Steps1. Use the Dell Storage Manager Client to connect to the Storage Center.2. Click the Hardware tab.3. In the Hardware tab navigation pane, expand the enclosure to remove.4. Select the Disks node.5. Select all of the disks in the expansion enclosure.6. Right-click on the selected disks and select Release Disk. The Release Disk dialog box opens.7. Select Perform RAID rebalance immediately.8. Click OK.When all of the drives in the expansion enclosure are in the Unassigned disk folder, the expansionenclosure is safe to remove.Disconnect the SC200/SC220 Expansion Enclosure from the A-Side of theChainDisconnect the A-side cables from the expansion enclosure that you want to remove.1. Disconnect the A-side cable (shown in orange) from expansion enclosure 1: top EMM, port A. The B-side cables continue to carry I/O while the A-side is disconnected.2. Remove the A-side cable between expansion enclosure 1: top EMM, port B and expansion enclosure2: top EMM, port A.162 Adding or Removing an Expansion Enclosure
