B Troubleshooting; Troubleshooting The Serial Connection; Troubleshooting Enclosures - Dell SC8000 Deployment Manual

B
Troubleshooting
This appendix contains troubleshooting steps for common problems.
Contents
Troubleshooting the Serial Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
Troubleshooting Enclosures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
Troubleshooting Licenses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
Troubleshooting Updates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206

Troubleshooting the Serial Connection

Issue
Unable to connect to a
controller with a serial
connection

Troubleshooting Enclosures

Issue
No Disks Found by Startup
Wizard:
No disks could be found
attached to this Dell
Compellent Storage Center.
Enclosure firmware update
fails
Expected Disks and/or
Enclosures are Missing
Dell Compellent
Possible Reason
Communication problems.
Possible Reason
Need to update software and/or
firmware to use attached
enclosure.
Cabling is not redundant.
Need to update software and/or
firmware to use attached
enclosure and/or drives.
Solution
• Reseat or replace cables.
• Verify the telnet settings.
Solution
1 Click Quit.
2 Check for Storage Center Updates on page
3 Complete the Startup Wizard on page
1 Check the back‐end cabling and ensure that
redundant connections are used.
See SAS Redundancy on page
information.
1 Check the back‐end cabling and enclosure's
power state.
2 Check for Storage Center Updates on page
172.
129.
55 for more
172.
205