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Chapter 1 Troubleshooting Overview 1-5
■ Review the Storage Automated Diagnostic Environment topology view
■ Using the Storage Automated Diagnostic Environment revision checking
■ functionality, determine whether the package or patch is installed
3. Check the status of a Sun StorEdge 5310 NAS by using one or more of the
following methods:
■ Review the status of the light-emitting diodes (LED) on the array
■ Run the commands that check and display the configuration
■ Manually open a telnet session to the array and check the system status
■ Review the Storage Automated Diagnostic Environment device monitoring
reports, if available
4. Test and isolate field-replaceable units (FRUs) using the following tools:
■ Storage Automated Diagnostic Environment diagnostic tests, if available (these
tests might require a loopback cable for isolation)
■ Use the Troubleshooting Guide procedures documentation to help isolate FRU
failures
Note – These tests isolate the problem to a FRU that must be replaced. Follow the
instructions in the Sun StorEdge 5310 NAS Troubleshooting Guide for proper FRU
replacement procedures.
5. Replace the failed FRU.
6. Verify the fix using the following tools:
■ Storage Automated Diagnostic Environment GUI Topology View and Diagnostic
Tests, if available
■ /var/adm/messages on the data host
■ CIFS client Access
■ Array LEDs
■ syslog file
1.4.0.2 Initial Troubleshooting Guidelines
To begin a problem analysis, check one or more of the following information sources
for troubleshooting and perform one or more of the following checks:
■ The LED's can help you quickly identify if a problem is occurring. See the
Hardware Troubleshooting section to help isolate the failed component.