Release the Disks in the Expansion Enclosure
Use the Dell Storage Manager Client to release the disks in an expansion enclosure before removing the
expansion enclosure.
About this task
Releasing 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 restriped
data.
Steps
1. 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 expansion
enclosure is safe to remove.
Disconnect the SC280 Expansion Enclosure from the A-Side of the Chain
Disconnect the A-side cables from the expansion enclosure.
1. Disconnect the A-side cable (shown in orange) from the expansion enclosure: left EMM, port C. The
B-side cables continue to carry I/O while the A-side is disconnected.
2. Remove the A-side cable between storage controller 2: port B and the expansion enclosure: left
EMM, port B.
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Adding or Removing an Expansion Enclosure
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