4.Check the status of the Sun StorEdge FC network switch-8 and switch-16 switches using the following tools:

Storage Automated Diagnostic Environment device monitoring reports

Run the SEcfg script, which displays and shows the Sun StorEdge T3+ array configuration

LED Status (online/offline, POST error codes found in the Sun StorEdge network FC switch-8 and switch-16 switch Installation and Configuration Guide)

Explorer Data Collection Utility output (located on the Storage Service Processor)

SANsurfer GUI

Note To run the SANsurfer GUI from the Storage Service Processor, you must export X-Display.)

5.Check the status of the virtualization engine using one or more of the following methods:

Storage Automated Diagnostic Environment device monitoring reports

Run the SEcfg script, which displays and shows the virtualization engine

Refer to the LED status blink codes in Chapter 7.

6.Quiesce the I/O along the path to be tested as follows:

For installations using VERITAS VxDMP, disable vxdmpadm

For installations using the Sun StorEdge Traffic Manager software, unconfigure the Fabric device.

Refer to “To Quiesce the I/O” on page 8

Halt the application.

7.Test and isolate the FRUs using the following tools:

Storage Automated Diagnostic Environment diagnostic tests (this might require the use of a loopback cable for isolation)

Sun StorEdge T3+ array tests, including t3test(1M), t3ofdg(1M), and t3volverify(1M), which can be found in the Storage Automated Diagnostic Environment User’s Guide.

Note These tests isolate the problem to a FRU that must be replaced. Follow the instructions in the Sun StorEdge 3900 and 6900 Series Reference Manual and the Sun StorEdge 3900 and 6900 Installation and Service Manual for proper FRU replacement procedures.

Chapter 2 General Troubleshooting Procedures 5

For Internal Use Only

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Sun Microsystems 3900 Series, 6900 Series manual Quiesce the I/O along the path to be tested as follows