[Barefoot] ONIE recover procedures Follow

Purpose:

This post shows the procedures to recover ONIE for Wedge100BF-series and AS9516-32D.

Model:

• DCS800 - Wedge100BF-32X
• DCS801 - Wedge100BF-32QS
• DCS802 - Wedge100BF-65X
• DCS810 - AS9516-32D

Preparation:

A. Personal computer

B. ONIE ISO image

• Download the ONIE ISO image for your own device.
• Reference: How to download the current firmware?

C. Serial Console cable:

• A cable which attached in the original box.

D. Console terminal

• Putty,Teraterm,SecureCRT,etc...

E. USB-stick

• USB-stick with FAT32 format

Procedure:

Step1. Burn the ONIE ISO image to the USB-stick.

Method 1. Linux 

1. Put the ONIE ISO image to the USB-stick and insert it to the personal computer. 
2. Input "fdisk -l" command on terminal to check the local disks and volumes.

3. Start burning the ISO with "sudo dd if=[.ISO file location] of=[disk location]" command.

Method 2. Win32DiskImager for Windows

Choose the USB Disk and iso file about to write

Step 2. Insert the USB-stick to the switch

Step 3. Configure BIOS
1. Reboot COM-E via openBMC, and press "ESC" enter BIOS.

2. At [Save & Exit] page, choose "Boot Override" as [UEFI: USB…]

Step 4. Wait for the reset time and the ONIE Installer screen will pop up, select "ONIE: Embed ONIE", the system will start to reinstall the ONIE.

Step 5. After the switch install ONIE and the system will reboot after completion.
After switch boot-up, enter "ONIE" > "ONIE: Rescue" mode and check ONIE version again.