Juniper MX960 Hardware Manual page 485

3. During the boot, when you see the message Press Esc for boot options press Esc key to enter into the
BIOS menu boot options.
After the Esc key is pressed, Esc is pressed. Go to boot options. is displayed on the screen.
4. Using Up or Down arrow keys, navigate to Boot Manager and press the Enter key.
5. Using Up or Down arrow keys, navigate through the EFI boot devices listed and select EFI Network 0
for IPv4 to boot from the PXEboot server and press the Enter key.
6. Booting `net boot console is displayed and PXEBoot continues.
NOTE: The booting process may take several minutes.
7. After the Routing Engine boots, press y when you are prompted to confirm Install vmhost and Junos
software on Primary and Secondary disk [y/N]? on the console.
8. After the installation is completed, press y when prompted to confirm Reboot now? [y/N]? to reboot
from the SSD disk.
Copying vmhost and Junos OS when only one disk is replaced:
a. Bring the Routing Engine online by pressing the ONLINE/OFFLINE button.
b. The router boots from disk1 if disk2 is replaced. To be able to boot from disk2:
user@host> request vmhost snapshot partition
The router boots from disk2 if disk1 is replaced. To be able to boot from disk1:
user@host> request vmhost snapshot recovery partition
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