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Reset Button
9-3
3930 Service Delivery Switch
Hardware Installation and Start-up Manual
009-3223-001 Standard Revision E
Copyright
©
2012-2014 Ciena
®
Corporation
January 2014
Creating a State Dump or Core Dump Log File
Note:
The functionality described in this section is only available on 3930
Sync + External Timing systems. This feature is not supported on 3930
Standard and 3930 Sync systems.
Two types of log files are available:
•
State dump log
— The state dump provides a summary of the current and
previous state of the system.
•
Core dump log
— The core dump provides a summary of the processes
that were running when the system became unresponsive.
The creation of these files is triggered by depressing the reset button (for
either a quick or hard reset) on 3930 Sync + External Timing systems.
The log file creation varies depending on the state of the system when the
reset button is depressed. One of the following scenarios will occur:
•
System was responsive when the reset button was depressed
— The
state dump file is generated before the system reboots. There will be
minimal delay (approximately 5 seconds) while the state dump file is
created and stored to the system memory. After the state dump file is
created the system will reboot.
•
System was unresponsive when the reset button was depressed
—
In this case a full core dump will be initiated, and then a state dump. There
will be a delay (up to 2 minutes) while the core dump file is created and
stored to system memory. Next the state dump file is created and stored
to system memory. After the both the core dump and state dump files are
created the system will reboot.
When the system reboots, you will be able to retrieve the state dump file and
core dump file (if it exists) from the system. The log files are stored in the
following locations:
•
State dump log files: /mnt/sysfs/log/push_button_state-dump
Note:
If a state dump file already exists on the system, it will be renamed
push_button_state-dump.prev when the new file is created.
•
Core dump log files: /tmp/corefiles/
These files can be used to assist with troubleshooting the system.
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