Diagnostic tools
This topic provides an overview of the tools that are available to help diagnose server problems.
The following tools are available to help you diagnose and solve hardware-related problems:
•
LCD system information display panel
The server LCD system information display panel displays messages that can help you diagnose
problems. For a list of the messages, see Appendix A “LCD display panel messages” on page 339. For
more information about the LCD system information display panel, see “LCD system information display
panel” on page 27.
•
Light path diagnostics
Use light path diagnostics to diagnose system errors quickly. See “Light path diagnostics” on page 152
for more information.
•
Event logs
The event logs list the error codes and messages that are generated when an error is detected for the
subsystems IMM2, POST, DSA, and the server baseboard management controller. See “Event logs” on
page 161 for more information.
•
Integrated management module II
The integrated management module II (IMM2) combines service processor functions, video controller, and
remote presence and blue-screen capture features in a single chip. The IMM provides advanced service-
processor control, monitoring, and alerting function. If an environmental condition exceeds a threshold or
if a system component fails, the IMM lights LEDs to help you diagnose the problem, records the error in
the IMM event log, and alerts you to the problem. Optionally, the IMM also provides a virtual presence
capability for remote server management capabilities. The IMM provides remote server management
through the following industry-standard interfaces:
– Intelligent Platform Management Protocol (IPMI) version 2.0
– Simple Network Management Protocol (SNMP) version 3
– Common Information Model (CIM)
– Web browser
For more information about the integrated management module II (IMM2), see “Using the integrated
management module” on page 133, Appendix C “Integrated management module II (IMM2) error
messages” on page 475, and the
Integrated Management Module II User's Guide
lenovofiles.com/help/topic/com.lenovo.sysx.imm2.doc/printable_doc.html.
•
Lenovo Dynamic System Analysis
Two editions of Dynamic System Analysis (DSA) are available for diagnosing problems, DSA Portable and
DSA Preboot:
– DSA Portable DSA Portable collects and analyzes system information to aid in diagnosing server
problems. DSA Portable runs on the server operating system and collects the following information
about the server:
– Drive health information
– Event logs for ServeRAID controllers and service processors
– Installed hardware, including PCI and USB information
– Installed applications and hot fixes
– Kernel modules
– Light path diagnostics status
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