S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m
59-22
Cisco MDS 9000 Family CLI Configuration Guide
OL-16184-01, Cisco MDS SAN-OS Release 3.x
Chapter 59 Monitoring System Processes and Logs
On-Board Failure Logging
Example 59-24 Displays Loopback Test Statistics for the Entire Switch
switch#
show system health statistics loopback
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Mod Port Status Run Pass Fail CFail Errs
1 16 Running 12953 12953 0 0 0
3 32 Running 12945 12945 0 0 0
8 8 Running 12949 12949 0 0 0
-----------------------------------------------------------------
Example 59-25 Displays Loopback Test Statistics for a Specified Interface
switch#
show system health statistics loopback interface fc 3/1
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Mod Port Status Run Pass Fail CFail Errs
3 1 Running 0 0 0 0 0
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Note
Interface-specific counters will remain at zero unless the module-specific loopback test reports
errors or failures.
Example 59-26 Displays the Loopback Test Time Log for All Modules
switch#
show system health statistics loopback timelog
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Mod Samples Min(usecs) Max(usecs) Ave(usecs)
1 1872 149 364 222
3 1862 415 743 549
8 1865 134 455 349
-----------------------------------------------------------------
Example 59-27 Displays the Loopback Test Time Log for a Specified Module
switch#
show system health statistics loopback module 8 timelog
-----------------------------------------------------------------
Mod Samples Min(usecs) Max(usecs) Ave(usecs)
8 1867 134 455 349
-----------------------------------------------------------------
On-Board Failure Logging
The Generation 2 Fibre Channel switching modules provide the facility to log failure data to persistent
storage, which can be retrieved and displayed for analysis. This on-board failure logging (OBFL) feature
stores failure and environmental information in nonvolatile memory on the module. The information will
help in post-mortem analysis of failed cards.
This section includes the following topics:
•
About OBFL, page 59-23
•
Configuring OBFL for the Switch, page 59-23