Service manual

vi SPARC Enterprise T1000 Server Service Manual • April 2007
3.2.2 Power Supply LEDs 3–11
3.3 Using ALOM CMT for Diagnosis and Repair Verification 3–11
3.3.1 Running ALOM CMT Service-Related Commands 3–13
3.3.1.1 Connecting to ALOM 3–13
3.3.1.2 Switching Between the System Console and ALOM 3–
14
3.3.1.3 Service-Related ALOM CMT Commands 3–14
3.3.2 Running the showfaults Command 3–16
3.3.3 Running the showenvironment Command 3–17
3.3.4 Running the showfru Command 3–19
3.4 Running POST 3–22
3.4.1 Controlling How POST Runs 3–22
3.4.2 Changing POST Parameters 3–26
3.4.3 Reasons to Run POST 3–27
3.4.3.1 Verifying Hardware Functionality 3–27
3.4.3.2 Diagnosing the System Hardware 3–28
3.4.4 Running POST in Maximum Mode 3–28
3.4.5 Correctable Errors Detected by POST 3–35
3.4.5.1 Correctable Errors for Single DIMMs 3–36
3.4.5.2 Determining When to Replace Detected Devices 3–37
3.4.6 Clearing POST Detected Faults 3–38
3.5 Using the Solaris Predictive Self-Healing Feature 3–39
3.5.1 Identifying PSH Detected Faults 3–40
3.5.1.1 Using the fmdump Command to Identify Faults 3–41
3.5.2 Clearing PSH Detected Faults 3–43
3.6 Collecting Information From Solaris OS Files and Commands 3–44
3.6.1 Checking the Message Buffer 3–44
3.6.2 Viewing System Message Log Files 3–45