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6. Check the System Error Log. If an error was recorded by the system, see
7. Start the Diagnostic Programs. See "Starting the diagnostic programs" on
8. Check for the following responses:
9. If the diagnostics completed successfully and you still suspect a problem, see
Checking out the Fibre Channel hub
Perform the following steps:
1. Verify that all external covers are present and not damaged.
2. Ensure that all latches and hinges are in correct operating condition.
3. Check the power cord for damage.
4. Check the external signal cable for damage.
5. Check the cover for sharp edges, damage, or alterations that expose the
6. Correct any problems that you find.
Checking out the RAID storage controller and the storage units
Use the status LEDs, Symptom-to-FRU list, and the storage management software
to diagnose problems. For information about diagnosing possible problems, see
"Troubleshooting the RAID storage controllers and storage units" on page 35.
Note: If power was just applied to the RAID storage controller, the green and
2
IBM NAS 300 Service Guide
"Chapter 4. Symptom-to-FRU index" on page 45.
page 18 .
a. Beeps
b. Readable instructions or the Main Menu
"Undetermined problems" on page 62.
internal parts of the device.
amber LEDs might turn on and off intermittently. Wait until the RAID storage
controller finishes powering up before you begin checking for faults.
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Table of Contents
Troubleshooting
