Usb Storage; Usb-B Console Port Access - Dell S4148FE Installation Manual

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1 stop bit
No flow control

USB storage

USB storage does not automatically mount. The supported file system is FAT. To use USB storage, first mount the device using the
following steps:
1
Create a mount directory for the USB.
ONIE:/ # mkdir /mnt/usb
2
View the fixed disks using fdisk.
ONIE:/mnt # fdisk -l
For internal storage:
Disk /dev/sda: 15.8 GB, 15829303296 bytes
255 heads, 63 sectors/track, 1924 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot
/dev/sda1
For USB storage:
Disk /dev/sdb: 30.9 GB, 30942946304 bytes
64 heads, 32 sectors/track, 29509 cylinders
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
Add a device to the file systems table using the fstab command and mount the file systems—recommended.
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

USB-B console port access

The USB-B console port is on the I/O side of the S4100-ON Series.
The terminal settings are the same for the serial console port and the RS-232/RJ-45 console port:
115200 baud rate
No parity
8 data bits
1 stop bit
No flow control
When you connect the USB-B port, it becomes the primary connection and, while connected, all messages are sent to the USB-B port.
38
Management ports
Start
End
1
1925
Start
End
/mnt/usb
vfat
Blocks
Id System
15458303+ ee EFI GPT
Blocks
Id System
defaults,rw,errors=remount-ro 0
defaults
1
0
1

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