Dell S5248F-ON Open Networking Hardware Diagnostic Guide December 2021 - Page 6

Overview, Boot processes, POST, Capture support data from ONIE, ONIE expansion - console settings

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2 Overview This guide provides information for the open networking (ON) diagnostic (DIAG) operating system (OS). This system uses the power-on self-test (POST) diagnostic tool that automatically runs during the system power-on at the BIOS level. This tool tests for catastrophic hardware failures that prevent booting the system. The error code is saved in CMOS for the next boot. There is no physical alarm indication. When the diagnostic tools finish, your system displays pass or fail test results. If all the tests pass, the diagnostic tools close. If a test fails, each diagnostic tool offers a different result. NOTE: The troubleshooting package includes a README file that lists the tools version and the overall troubleshooting package version. For more information, see this README file. ONIE expansion To view all the ONIE commands available, from the ONIE prompt, enter onie- and press the key twice. ONIE:/ # onie- onie-boot-mode onie-fwpkg onie-console onie-nos-install onie-discovery-start onie-self-update onie-discovery-stop onie-support onie-syseeprom onie-sysinfo onie-uninstaller Topics: • Boot processes • View system information Boot processes After the BIOS, POST runs to verify the devices required to boot to ONIE GRUB. POST POST diagnostics verify the system DRAM, DIMM, SPD, memory, RTC/NVRAM, and PCI devices. Test configuration parameters and test results are saved in NVRAM. Capture support data from ONIE 1. Capture support data to the screen. ONIE:/ # dmesg 2. Capture support data to the onie-support.tar.bz2 gzip file. ONIE-support creates the support file. To store the file, enter the location; for example, ONIE:/# onie-support/tmp. ONIE:/ # onie-support The ONIE support file includes the following: ● kernel_cmdline ● runtime-export-env ● runtime-process ● runtime-set-env 6 Overview

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Overview
This guide provides information for the open networking (ON) diagnostic (DIAG) operating system (OS).
This system uses the power-on self-test (POST) diagnostic tool that automatically runs during the system power-on at the
BIOS level. This tool tests for catastrophic hardware failures that prevent booting the system. The error code is saved in CMOS
for the next boot. There is no physical alarm indication.
When the diagnostic tools finish, your system displays pass or fail test results. If all the tests pass, the diagnostic tools close. If a
test fails, each diagnostic tool offers a different result.
NOTE:
The troubleshooting package includes a README file that lists the tools version and the overall troubleshooting
package version. For more information, see this README file.
ONIE expansion
To view all the ONIE commands available, from the ONIE prompt, enter
onie-
and press the
<tab>
key twice.
ONIE:/ # onie-
<TAB><TAB>
onie-boot-mode
onie-fwpkg
onie-syseeprom
onie-console
onie-nos-install
onie-sysinfo
onie-discovery-start
onie-self-update
onie-uninstaller
onie-discovery-stop
onie-support
Topics:
•
Boot processes
•
View system information
Boot processes
After the BIOS, POST runs to verify the devices required to boot to ONIE GRUB.
POST
POST diagnostics verify the system DRAM, DIMM, SPD, memory, RTC/NVRAM, and PCI devices. Test configuration
parameters and test results are saved in NVRAM.
Capture support data from ONIE
1.
Capture support data to the screen.
ONIE:/ # dmesg
2.
Capture support data to the
onie-support.tar.bz2 gzip
file.
ONIE-support creates the support file. To store the file, enter the location; for example,
ONIE:/# onie-support/tmp
.
ONIE:/ # onie-support <
output_directory
>
The ONIE support file includes the following:
●
kernel_cmdline
●
runtime-export-env
●
runtime-process
●
runtime-set-env
2
6
Overview