Deployment Guide
Adding a Single Expansion Enclosure to a Chain
Currently in Service
To preserve the integrity of the existing data, use caution when adding an expansion enclosure to a live Storage Center system.
Prerequisites
Install the expansion enclosure in a rack, but do not connect the expansion enclosure to the storage system. For more information, see the
SCv300 and SCv320 Expansion Enclosure Getting Started Guide or the SCv360 Expansion Enclosure Getting Started Guide.
To add an expansion enclosure to an existing chain, connect the expansion enclosure to the end of the chain.
Steps
1. Connect to the Storage Center using the Dell Storage Manager.
2. Check the drive count of the Storage Center system before adding the expansion enclosure.
3. Click the Hardware tab and select Enclosures in the Hardware tab navigation pane.
4. Click Add Enclosure. The Add New Enclosure wizard starts.
a) Confirm the details of your current installation and click Next to validate the existing cabling.
b) Turn on the expansion enclosure. When the drives spin up, make sure that the front panel and power status LEDs show normal
operation.
c) Click Next.
d) Add the expansion enclosure to the A-side chain. Click Next to validate the cabling.
e) Add the expansion enclosure to the B-side chain. Click Next to validate the cabling.
f) Click Finish.
5. To manually manage new unassigned drives:
a) Click the Storage tab.
b) In the Storage tab navigation pane, select the Disks node.
c) Click Manage Unassigned Disks.
The Manage Unassigned Disks dialog box opens.
d) From the Disk Folder drop-down menu, select the drive folder for the unassigned drives.
e) Select Perform RAID rebalance immediately.
f) Click OK.
6. Label the new back-end cables.
Check the Drive Count
Determine the number of drives that are currently accessible to the Storage Center.
Steps
1. Use Storage Manager to connect to the Storage Center.
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 an expansion enclosure to the storage
system.
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Adding or Removing Expansion Enclosures