How to re-install JunOS on RE-S-1800x4 due to missing, damage storage devices or failed JunOS upgrade.

How to re-install JunOS on RE-S-1800x4 due to missing, damage storage devices or failed JunOS upgrade.

Hardware Components required:

(SSD HD and Compact Flash card)

Files required from where the USB will boot the image file.

junos-install-media-usb-mx-x86-64-17.2R3.4.img

USB flash drive 16GB or bigger.

Here is the error message due to missing storage devices.

Will try to boot from

USB Flash Drive
Compact Flash
Solid State Drive 1
Solid State Drive 2
NetworkNo /boot/loader
, next boot from alternate path
Loading /cf/boot/loader
No /cf/boot/loader
Default: 0:ad(0,a)/boot/kernel/kernel
boot:
efault: 0:ad(0,a)/boot/kernel/kernel
boot: ?. .. .snap
Default: 0:ad(0,a)?
boot:mfs: available=6555888
Using 6291456 for /tmp
Do you wish to continue (y/n)?
y
WARNING: A reboot is required to unload this software correctly
WARNING: Use the 'request system reboot' command
WARNING: when software installation is complete
root> request system reboot
Reboot the system ? [yes,no] (no) yes
[pid 1803]root@% cli
root> show version
Model: mx960
Junos: 13.3R9.13
JUNOS Base OS boot [13.3R9.13]
output is omitted

Trying to boot from USB Flash Drive

Trying to boot from Compact Flash

Loading /boot/loader

FreeBSD/i386 boot

FreeBSD/i386 boot

86 boot/i3

**Step 1.

Create a boot image file.

junos-install-media-usb-mx-x86-64-17.2R3.4.img

Insert the USB Flash drive into the USB Port and power on the router.

unit will boot after a little while you will see the following message.

Disk to install is ad0 ad1

WARNING: The installation will erase the contents of your disks.

after the copy processes is complete you will need to reboot the chassis.

**Step 2 

Shutdown NOW!

*** FINAL System shutdown message from root@ ***

System going down IMMEDIATELY

after reboot.

Amnesiac (ttyd0)

login: root

--- JUNOS 13.3R9.13 built 2016-03-01 07:03:30 UTC

root>

Done!

Thanks