Figure 150. Reconnecting the B-Side Cable to the Remaining SC200/SC220 Expansion Enclosure
1. Storage system
2. Storage controller 1
3. Storage controller 2 4. Disconnected expansion enclosure
5. Expansion enclosure 1
Removing an SC280 Expansion Enclosure from a Chain
Currently in Service
To remove an expansion enclosure, release the disks and disconnect the expansion enclosure from one
side of the chain at a time..
CAUTION: Before removing an expansion enclosure, make sure that your data is backed up.
1. Use the Dell Storage Manager Client to connect to the Storage Center.
2. Release the disks in the expansion enclosure.
3. Disconnect the A-side chain.
a. Disconnect the A-side cables that connect the expansion enclosure to the storage system.
Click Next.
b. Reconnect the A side cables to exclude the expansion enclosure from the chain. Click Next to
validate 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.
Adding or Removing an Expansion Enclosure
165
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