Boot Information Management

1. Function Overview

As system boot information, this product manages the information shown in the table below.

Management item Description

System startup time

Time that the system booted up

Running firmware information

Firmware version currently running, and date generated

Firmware information for previous startup

Version and generated date of the firmware for the previous startup

Reason for boot

Reason why the system booted up. The following are recorded:
* Startup due to power-on
* Restart due to the reload command
* Restart due to the cold start command
* Restart due to the startup-config select command
* Restart due to the boot prioritize sd command
* Restart due to the restore system command
* Restart due to the stack enable command
* Restart due to firmware updates
* Restart due to firmware updates (for controlling the power supply unit)
* Restart due to memory exhaustion
* Restart due to kernel panic
* Restart due to abnormal termination of process

This product stores the current boot information and information on the previous four boots, for a total of five boot records.

2. Related Commands

Related commands are indicated below.
For details on the commands, refer to the Command Reference.

Operations Operating commands

Show boot information

show boot

Clear boot information

clear boot list

3. Examples of Command Execution

3.1. Show boot information

  • This shows the current boot information.

    Yamaha>show boot 0
 Running EXEC: SWX3220 Rev.4.03.00  (Wed Jan  1 00:00:00 2025)
Previous EXEC: SWX3220 Rev.4.03.00  (Wed Jan  1 00:00:00 2025)
Restart by reload command

  • This shows a list of the boot history.

    Yamaha>show boot list
No. Date       Time     Info
--- ---------- -------- -------------------------------------------------
  0 2025/03/15 09:50:29 Restart by reload command
  1 2025/03/14 20:24:40 Power-on boot
--- ---------- -------- -------------------------------------------------

3.2. Clear boot information

  • This clears the boot information.

    Yamaha#clear boot list

4. Points of Caution

If the creation of the system information storage area fails at startup, the following message will be output to the serial console screen.
At this time, all logs stored in this product will be deleted.

  • Message list

    Message

    Output timing

    Failed to create partition.

    When the creation of the system information storage area fails

    Succeeded to re-create partition.

    When the system information storage area is successfully recreated

    Boot sequence is interrupted by partition creation failure.

    When the system information storage area could not be created and the system could not be started

5. Related Documentation

None