Cisco Performance Routing Engine 5 Panduan Pemasangan Perangkat Keras - Halaman 31
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The OBFL stored data assists in understanding and debugging field failures upon RMA (Return Material Authorization) of a PRE at
repair and failure analysis sites. OBFL records operating temperatures, hardware uptime, interrupts, and any other important events
that assist board diagnosis in case of hardware failures.
For more information on the feature, see the
Note
The output from the Cisco CMTS router may vary slightly compared to the output samples shown in the URL mentioned
above.
Logging details for OBFL
• OBFL is enabled by default. You need to enable the feature if it has been disabled previously.
• On the PRE, logging begins after the system starts up.
• OBFL updates the PRE temperatures and voltage sensors every 5 minutes.
• Temperature and voltage data is stored only when it is different from the last stored record.
• The maximum logging time is 2 hours, hence, a new record is stored every 2 hours, regardless of data variation.
• Logs are organized as current (continuous) and historical (summarized) data records.
• OBFL logging has no impact on performance.
Storing OBFL Data
The PRE logs are recorded in the bootflash, where other system images, configuration information, and crash dumps are stored.
OBFL logs are identified by the extension (*_hist or *_cont). The maximum memory used on the flash disk for OBFL storage is 2
MB.
The dir bootflash command displays a list of log files (including OBFL logs). Given below is a sample output of the additional
filenames in use by OBFL:
dir bootflash:
Router#
Directory of bootflash:/
4
-rw- 202752 Jan 4 2013 16:13:10 -05:00 env_cont
5
-rw- 69120
Jan 4 2013 16:13:12 -05:00 temp_hist
13 -rw- 69120
Jan 4 2013 16:13:12 -05:00 volt_hist
14 -rw- 33792
Jan 4 2013 16:13:12 -05:00 uptime_cont
15 -rw- 201216 Jan 4 2013 16:13:18 -05:00 errmsg_cont
16 -rw- 67584
Jan 4 2013 16:13:16 -05:00 env_hist
17 -rw- 135168 Jan 4 2013 16:13:18 -05:00 temp_cont
18 -rw- 135168 Jan 4 2013 20:17:28 -05:00 volt_cont
19 -rw- 6144
Jan 4 2013 16:13:14 -05:00 uptime_exthist
20 -rw- 4096
Jan 4 2013 16:13:16 -05:00 uptime_hist
Displaying OBFL Data
The show logging onboard [status] command displays the logs from the OBFL data.
For information on OBFL commands, see the
Onboard Failure Logging
feature guide.
Configuration Tasks
section in the Onboard Failure Logging feature guide.
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