S4048-ON Installation Guide January 2019

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Mounting the USB storage

The USB storage supports the FAT file system. The USB storage does not automatically mount. To use USB storage, you must first mount the device.

  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      Start         End      Blocks  Id System
                                        /dev/sda1               1        1925    15458303+ ee EFI GPT
                                        
                                     
    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      Start         End      Blocks  Id System
                                        
                                     
  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 ( fstab) and 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    defaults,rw,errors=remount-ro 0       1
                                        /dev/sdb        /mnt/usb       vfat    defaults                      0       1
                                        
                                        ONIE:/ # mount -a
                                     

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