Dell SmartFabric OS10 Installation, Upgrade, and Downgrade Guide

Before you begin

• Accessing the EDA DIAG OS requires root user privileges. Ensure that you obtain the root user credentials.
• Remove or unseat all host cables, or configure host settings to not use links, before performing a PCIe upgrade using the DIAG OS option.

1. Reload the switch in EXEC mode and watch for the ONIE boot menu.

   OS10# reload

2. Use the arrow keys to scroll and select *ONIE.

      GNU GRUB  version 2.02
   +-----------------------------------------+
   | OS10-A                                  |
   | OS10-B                                  |
   |*ONIE                                    |
   |                                         |                                                                 |
   |                                         |
   +-----------------------------------------+
   

   The GRUB menu appears.
3. Use the arrow keys to scroll and select *EDA-DIAG.

   +--------------------------------+
   | ONIE: Install OS                        |
   | ONIE: Rescue                            |
   | ONIE: Uninstall OS                      |
   | ONIE: Update ONIE                       |
   | ONIE: Embed ONIE                        |
   | *EDA-DIAG                               |
   +-----------------------------------------+
   

   The EDA DIAG login prompt appears.
4. Enter the root username and password.

   dellemc-diag-os login: root
   Password: ******
   

5. Copy the PCIe firmware .bin file to the DIAG OS partition.

   root@dellemc-diag-os:/etc/dn/diag# ifconfig eth0 management-ip
   
   root@dellemc-diag-os:/etc/dn/diag# route add default gw default-gw-ip
   
   root@dellemc-diag-os:/etc/dn/diag# wget scp://xx.xx.xx.xxx/pcieg3fw.bin 
   --2020-08-12 06:37:32-- scp://xx.xx.xx.xxx/pcieg3fw.bin
   => 'pcieg3fw.bin'
   Connecting to xx.xx.xx.xxx:xx... connected.
   Logging in as anonymous ... Logged in!
   ==> SYST ... done. ==> PWD ... done.
   ==> TYPE I ... done. ==> CWD not needed.
   ==> SIZE pcieg3fw.bin ... 30720
   ==> PASV ... done. ==> RETR pcieg3fw.bin ... done.
   Length: 30720 (30K) (unauthoritative)
   pcieg3fw.bin 0%[ ] 0 --.-KB/s
   pcieg3fw.bin 100%[===================>] 30.00K --.-KB/s in 0.001s
   2020-08-12 06:37:32 (32.2 MB/s) - 'pcieg3fw.bin' saved [30720]

6. Enter the nputool -d -i command.

   root@dellemc-diag-os:/etc/dn/diag# nputool -d -i
   linux-user-bde:new probed device unit 0 dev_no 0 _ndevices 1
   DMA pool size: 33554432
   PCI unit 0: Dev 0xb873, Rev 0x01, Chip BCM56873_A0, Driver BCM56870_A0
   sysconf_probe successful
   global_sal_config successful
   *** 1 BCM devices are detected
   SOC unit 0 attached to PCI device BCM56873_A0
   Loading M0 Firmware located at /etc/dn/diag/linkscan_led_fw.bin
   Loading M0 Firmware located at /etc/dn/diag/custom_led.bin
   *** unit 0: ports capable of limited speed range cut-thru
   0:bcmi_xgs5_bfd_init: uKernel BFD application not available
   Current mode is now ESW
   Diag NPU initialization over
   Enter 'exit' to exit out of bcm shell
   Inside bcm shell
   BCM.0>

   The system enters the BCM shell.
7. Enter the pciephy fw load pcieg3fw.bin command.

   BCM.0> pciephy fw load pcieg3fw.bin
   0:soc_flash_init: Flash supported ID = 0x20
   Opening file: pcieg3fw.bin
   Updating PCIE firmware
   ........................................................................................................................ Done
   PCIE firmware updated successfully. Please reset the system...
   BCM.0>
   

8. Enter Exit to return to the DIAG OS prompt.

   BCM.0> exit
   root@dellemc-diag-os:#

9. Post PCIe upgrade, power-cycle the switch using the ipmitool chassis power cycle command or by removing power and restoring it.

PCIe firmware upgrade is complete. The system boots with OS10 Release 10.5.0.9.