Juniper MX960 Hardware Manual page 483

1. Copy Junos OS to the newly replaced SSD:
If both the SSDs are replaced together:
a. Install using an USB disk:
1. Insert the USB disk in the USB slot on the Routing Engine.
2. After the Routing Engine boots from the USB, press y when you are prompted to confirm Install
vmhost and Junos software on Primary and Secondary disk [y/N? on the console.
3. After the installation is completed, press y when prompted to confirm Reboot now? [y/N]? to
reboot from the SSD disk.
NOTE:
Routing Engines with VM Host Support.
b. Install vmhost using the PXEBoot method:
1. Set up the PXEBoot server. See Copying VM Host Installation Package to the PXE Boot Server.
2. Bring the Routing Engine online by pressing the ONLINE/OFFLINE button
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.
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.
If only disk2 is replaced:
a. Bring the Routing Engine online by pressing the ONLINE/OFFLINE button.
b. The router boots from disk1. To be able to boot from disk2:
To prepare a bootable USB disk, see Creating an Emergency Boot Device for
NOTE: The booting process may take several minutes.
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