Troubleshooting
96-30065-001 Rev. A0
DataDirect Networks EF4024 FC RAID System Setup Guide | 37
Is the controller back panel Fault/Service Required LED amber?
Answer
Possible reasons
Actions
No
System functioning properly.
No action required.
Yes
(blinking)
One of the following errors
occurred:
• Hardware-controlled power-up error
• Cache flush error
• Cache self-refresh error
• Restart this controller from the other controller
using RAIDar or the CLI.
• If the above action does not resolve the fault,
remove the controller module and reinsert it.
• If the above action does not resolve the fault,
contact an authorized service provider for
assistance. It may be necessary to replace the
controller module.
Are both disk drive module LEDs off?
Answer
Possible reasons
Actions
Yes
• There is no power
• The drive is offline
• The drive is not configured
Check that the drive is fully inserted and latched in place,
and that the enclosure is powered on.
Is the disk drive module Fault LED amber?
Answer
Possible reasons
Actions
Yes, and the
online/activity
LED is off.
The disk drive is offline. An
event message may have
been received for this device.
• Check the event log for specific information
regarding the fault.
• Isolate the fault.
• Contact an authorized service provider for assistance.
Yes, and the
online/activity
LED is
blinking.
The disk drive is active, but an
event message may have
been received for this device.
• Check the event log for specific information
regarding the fault.
• Isolate the fault.
• Contact an authorized service provider for assistance.
Is a connected host port Host Link Status LED off?
Answer
Possible reasons
Actions
No
System functioning
properly.
No action required (also see Section
A.4
)
Yes
The link is down.
• Check cable connections and reseat if necessary.
• Inspect cable for damage.
• Swap cables to determine if fault is caused by a defective cable.
Replace cable if necessary.
• Verify that the switch, if any, is operating properly. If possible, test
with another port.
• Verify that the HBA is fully seated, and that the PCI slot is powered
on and operational.
• In RAIDar, review event logs for indicators of a specific fault in a
host data path component.
• Contact an authorized service provider for assistance.
• See Section
5.5, Isolating a Host-Side Connection Fault