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Onboard Failure Logging
OBFL gathers boot, environmental, and critical hardware data for field-replaceable units (FRUs), and stores
the information in the nonvolatile memory of the FRU. This information is used for troubleshooting, testing,
and diagnosis if a failure or other error occurs, providing improved accuracy in hardware troubleshooting
and root cause isolation analysis. Stored OBFL data can be retrieved in the event of a failure and is accessible
even if the card does not boot.
Because OBFL is on by default, data is collected and stored as soon as the card is installed. If a problem
occurs, the data can provide information about historical environmental conditions, uptime, downtime, errors,
and other operating conditions.
The Onboard Failure Logging (OBFL) functionality is enhanced to provide a generic library that can be used
by different clients to log string messages.
OBFL is activated by default in all cards. Do not deactivate OBFL without specific reasons, because the
Caution
OBFL data is used to diagnose and resolve problems in FRUs.
For information about OBFL commands, console logging, alarms, and logging correlation, see
Note
Documents, on page
Feature History for Implementing OBFL
Release
Release 3.7.2
Release 5.2.2
•
Prerequisites , page 312
•
Information About Implementing OBFL, page 312
•
How to Implement OBFL, page 314
308.
Cisco ASR 9000 Series Aggregation Services Router System Monitoring Configuration Guide, Release 4.2.x
C H A P T E R
Modification
This feature was introduced.
Generic string logging feature was introduced.
5
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