Before You Install An Os; Grub Bootloader Example; Onie Example - Dell EMC S5048F-ON Installation Manual

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Units = cylinders of 2048 * 512 = 1048576 bytes
Device Boot
3
Mount the device /dev/sdb to the /mnt/usb directory.
ONIE:/ # mount -t vfat /dev/sdb /mnt/usb
NOTE:
The following message displays if the /mnt/usb directory is missing: mount: mounting /dev/sdb
on /mnt/usb failed: No such file or directory.
NOTE:
The following message displays if the USB device is not seen: mount: mounting /dev/sdb on /mnt/usb
failed: No such device or address.
4
Optional: Add a device to the file systems table using the fstab command. Mount the file systems.
ONIE:/ # vi /etc/fstab
# FSTAB entry for the ONIE-BOOT partition mounted on /boot
LABEL=ONIE-BOOT /mnt/onie-boot ext4
/dev/sdb
ONIE:/ # mount -a
The mount -a command mounts all the file systems as indicated in the /etc/fstab file.

Before you install an OS

After powering on the S5048F-ON switch, it goes through a power-on self-test (POST).
POST runs every time the switch is initialized and checks the hardware components to determine if the switch is fully operational before
booting. After POST, the switch uses the Grub bootloader.
To select an entry, use the up and down arrow keys. Press Enter to select an OS or enter e to edit the commands before booting. Enter c
for a command line. The selected entry runs automatically in the operating system.

Grub bootloader example

GNU GRUB
version 2.02~beta2+e4a1fe391
+-------------------------------------------------+
|*ONIE: Install OS
| ONIE: Rescue
| ONIE: Uninstall OS
| ONIE: Update ONIE
| ONIE: Embed ONIE
| EDA-DIAG
|
+-------------------------------------------------+
Your switch comes with ONIE installed.
NOTE:
To access ONIE, use the RJ-45 console port.

ONIE example

ONIE: Install OS
For downloading and installing an OS from a URL
Starts ONIE with ONIE Discovery Service
(factory default boot)
ONIE: Rescue
36
Management ports
Start
End
/mnt/usb
vfat
Blocks
Id System
defaults,rw,errors=remount-ro 0
defaults
|
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|
|
|
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1
0
1

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