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Recovery

Prequisitions

To proceed with the recovery procedure the backup with the vendor firmware will be necessary eg. talos.pnor.

The backup file should be generated before making any changes in the device flash chip according to documentation in the first step in Testing firmware images without flashing section.

Flashing using BMC

Flash firmware by executing the following commands on BMC:

pflash -E -p /tmp/talos.pnor

  1. Log into the BMC GUI at https://<BMC_IP>.

  2. Enter the Server power operations (https://<BMC_IP>/#/server-control/power-operations) and invoke warm reboot.

  3. After rebooting the vendor firmware will be restored.

Restore Petitboot

If you want to use Petitboot, and you have already installed system Heads, follow this procedure:

  1. Download the newest PNOR package from raptor wiki.

  2. Unzip downloaded file and find the talos.pnor file.

  3. Copy the file to the BMC:

scp talos.pnor root@<BMC_IP>:/tmp/talos.pnor
  1. Modify partitions by executing the following commands on BMC (this is not necessary):
pflash -P HBB -p /tmp/bootblock.signed.ecc -F /tmp/talos.pnor
pflash -P HBI -p /tmp/coreboot.rom.signed.ecc -F /tmp/talos.pnor
  1. Flash firmware:
pflash -E -p /tmp/talos.pnor

  1. Log into the BMC GUI at https://<BMC_IP>.

  2. Enter the Server power operations (https://<BMC_IP>/#/server-control/power-operations) and invoke warm reboot.

  3. Enjoy the Petitboot running on Talos II.