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Chapter 5 - Troubleshooting
Common Problems and Interpreting the LEDs
138
Common Problems and Interpreting the LEDs
For daisy-chain expansion
enclosures, a possible faulty
Fibre Channel data cable.
Replace the Fibre Channel data cable
with a “known good” cable.
Faulty Disk I/O Card.
Replace the Disk I/O Card with a
“known good” card. If a “known good”
card is not available, try swapping the
two Disk I/O cards (upper and lower
cards).
Symptom
Reason
Solution
Channel Status LED is
illuminated amber.
Fault on the Fibre Channel
Loop.
Verify that the Fibre Channel data
cables are properly connected and there
is a valid Link LED illuminated.
Verify that the Fibre Channel data cable
is a known good cable. Replace the Fibre
Channel data cable.
Verify that all the disk drives are
functioning properly.
Verify that the Host I/O Card or Disk
I/O Card is functioning properly. Refer
to “Common Fibre Loop/Bus Problems”
on page 136.
Verify that the Fibre Channel HBA is
functioning properly.
Fault in a logical array.
Replace the failed drive component of
the logical array. After the rebuild is
complete the LED should return to
steady green.
Channel Status LED is
blinking amber and
green.
Failed RAID Controller.
Replace the RAID Controller.
Verify that the RAID Controller was
not “stopped” through the software
interface.
Power Supply Status
LED is illuminated
(amber).
Power supply has failed.
Power supply turned off.
Replace the suspect faulty power supply.
Ensure that all the power supply
switches are in their “On” position.
Symptom
Reason
Solution
Summary of Contents for OmniStor 4900F Series
Page 1: ......
Page 2: ......
Page 4: ......
Page 38: ...Chapter 1 Getting Started Audible Alarm 24...
Page 58: ...Chapter 2 Topologies and Operating Modes Application of Availability 44...
Page 128: ...Chapter 3 Setup and Installation Powering Off the Storage System 114...
Page 156: ...Chapter 5 Troubleshooting Problems During Bootup 142...
Page 178: ...Chapter 6 Maintenance Replacing the Enclosure 164...
Page 182: ...Appendix A Technical Information Specifications 168...
Page 196: ...Index 182...