Administrator Guide

Parameters
stack-unit unit-
number
(OPTIONAL) Enter the keyword stack-unit and the stack unit number to view the
reason for the last system reboot for that stack unit.
all (OPTIONAL) Enter the keyword stack-unit and the keyword all to view the
reason for the last system reboot of all stack units in the stack.
Command Modes
● EXEC
● EXEC Privilege
Command
History
This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC
Networking OS Command Line Reference Guide.
Version Description
9.14(0.0) Introduced on the S5048F-ON.
9.13(0.0) Introduced on the S3048–ON, S3100 series, S4048–ON, S4048T–ON, S5000,
S6000, S6000–ON, S6010–ON, S6100–ON, Z9100–ON, C9010, MXL, M-IOA, and
FN-IOM.
Usage
Information
You can use the show reset-reason without the stack-unit option to view the reason for the last
system reboot of the local system.
Example — User-
initiated reboot
with the reload
command
DellEMC#show reset-reason
Cause : Reset by User through CLI command
Reset Time: 11/05/2017-08:36
Example —
System reboot
due to the
upgrade
command
DellEMC# show reset-reason
Cause: Reboot by Software upgrade Module.
Reset Time: 8/9/2017 1:39 PM.
Example —
System reboot
for unknown
reasons
DellEMC# show reset-reason
Cause: N/A
Reload Time: N/A
Example —
System reboot
due to power loss
or pressing the
power button off
and on.
The example shows that the last system reboot was due to warm reset.
DellEMC#show reset-reason
Cause : Warm Reset
Reset Time : N/A.
Example —
System reboot
due to watchdog
timeout
DellEMC#show reset-reason
Cause: Watchdog timeout.
Reset Time: N/A
Example —
System reboot
due to thermal
shutdown
The example shows that the last system reboot was due to thermal shutdown.
DellEMC#show reset-reason
Cause: Thermal Shutdown.
Reset Time: N/A.
Example —
System reboot
due to BIOS boot
fail
The example shows the reason for the last reboot was due to BIOS boot fail.
DellEMC#show reset-reason
Cause: Reset on Boot Ok Fail.
Reset Time: N/A.
150 Control and Monitoring