D Troubleshooting Storage Center Deployment; Troubleshooting The Serial Connection To A Storage Controller; Troubleshooting Expansion Enclosures - Dell SC4020 Deployment Manual

Troubleshooting Storage Center
Deployment
This section contains troubleshooting steps for common Storage Center deployment issues.
Troubleshooting the Serial Connection to a Storage
Controller
Table 25. Troubleshooting Communication with a Storage Controller
Issue
Unable to connect to a storage
controller with a serial
connection.

Troubleshooting Expansion Enclosures

Table 26. Troubleshooting Issues Expansion Enclosures
Issue
No Disks Found by Startup
Wizard:
No disks could be found
attached to this Storage Center.
Expansion enclosure firmware
update fails
Expected disks and/or expansion
enclosure are missing
Troubleshooting Storage Center Deployment
Possible Reason
Communication problems.
Possible Reason
Need to update software and/or
firmware to use the attached
expansion enclosure.
Back-end cabling is not
redundant.
Need to update software and/or
firmware to use attached
expansion enclosure and/or
drives.
Solution
• Disconnect and reconnect
the serial cable.
• Verify the connection
settings.
• Replace the serial cable.
Solution
1. Click Quit.
2. Check for Storage Center
updates and install the
updates.
3. Complete the Storage
Center Startup Wizard.
Check the back-end cabling and
ensure that redundant
connections are used.
1. Check the back-end cabling
and the expansion
enclosure power state.
2. Check for Storage Center
updates and install the
updates.
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