DELL S50V User Manual

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C-Series Debugging and Diagnostics
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When the trace messages are being saved on reload, 
 is displayed.
The CP and LP trace file names at chassis reload are:
CP: reload_traceRPM0_CP
LP: reload_traceLP[0-7]
Figure 60-8. 
TRACE_LAST_BOOT 
Directory example
CP software exceptions
When a RPM resets due to a software exception, the linecard trace files are saved to 
flash:/
TRACE_LOG_DIR
 directory.
The CP and LP trace file names in the case of a software exception are:
CP: failure_trace_RPM1_CP
LP: failure_trace_RPM1_LP[0-7]
For systems with a single RPM, the linecard traces are saved on the failed RPM itself. 
For systems with dual RPM, linecard trace logs are saved when the CP, RP1, or RP2 crashes. The linecard 
trace logs are saved on the new Primary RPM. The linecard trace file name identifies the failed RPM. For 
example, if RPM0 fails the trace files saved in RPM1 with filename as 
failure_trace_RPM0_LP1
Command history
The command-history trace feature captures all commands entered by all users of the system with a time 
stamp and writes these messages to a dedicated trace log buffer. When the 
show command-history
 
command is entered, the system displays a trace message for each executed command. No password 
information is saved to the file. The trace messages are not saved to a file or directory on the internal 
system flash.
To view the command-history trace, use the 
show command-history
.
Message 9  Saving Trace Messages
Starting to save trace messages… Done.
FTOS#
cd /flash/TRACE_LOG_DIR/TRACE_LAST_BOOT
FTOS#dir
hw_traceLP0.0       hw_traceLP2.3       hw_traceRPM0_CP.3   reload_traceLP6
hw_traceLP0.1       hw_traceLP2.4       hw_traceRPM0_CP.4   reload_traceRPM0_CP
hw_traceLP2.0       hw_traceRPM0_CP.0   reload_traceLP0
hw_traceLP2.1       hw_traceRPM0_CP.1   reload_traceLP2
hw_traceLP2.2       hw_traceRPM0_CP.2   reload_traceLP3