iii
Contents
Preface ix
1. Server Diagnostics 1–1
1.1 Fault on Initial Power Up 1–1
1.2 Server Diagnostics Overview 1–2
1.2.1 Memory Configuration and Fault Handling 1–6
1.2.1.1 Memory Configuration 1–7
1.2.1.2 Memory Fault Handling 1–7
1.2.1.3 Troubleshooting Memory Faults 1–8
1.3 Using LEDs to Identify the State of Devices 1–8
1.3.1 Front and Rear Panel LEDs 1–8
1.3.2 Hard Drive LEDs 1–12
1.3.3 Power Supply LEDs 1–12
1.3.4 Ethernet Port LEDs 1–13
1.4 Using the Service Processor Firmware for Diagnosis and Repair
Verification 1–14
1.4.1 Using the ALOM CMT Compatibility CLI in ILOM 1–16
1.4.2 Creating an ALOM CMT CLI Shell 1–17
1.4.3 Running ALOM CMT CLI Service-Related Commands 1–18
1.4.3.1 Connecting to ALOM CMT CLI 1–18