Replacing A Compactflash Card In A T640 Re-C1800 Routing Engine; Preparing To Replace A Compactflash Card In A T640 Re-C180 Routing Engine; Removing A Compactflash Card In A T640 Re-C1800 Routing; Engine - Juniper T640 Hardware Manual

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Replacing a CompactFlash Card in a T640 RE-C1800 Routing Engine

Copyright © 2013, Juniper Networks, Inc.
Wait until a message appears on the console confirming that the snapshot procedure
6.
is complete.
Reboot the router's software again. Issue the
7.
Verify that the SSD is listed as the secondary boot device. The output lists the devices
8.
mounted. The SSD is located at
T640 Routing Engine Description on page 33
T640 RE-C1800 Description on page 40
T640 RE-C1800 LEDs on page 41
T640 Preventing Electrostatic Discharge Damage on page 386
Preparing to Replace a CompactFlash Card in a T640 RE-C180 Routing
1.
Engine on page 275
Removing a CompactFlash Card in a T640 RE-C1800 Routing Engine on page 276
2.
Installing a CompactFlash Card in a T640 RE-C1800 Routing Engine on page 276
3.
Copying the Junos OS to the CompactFlash Card in a T640 RE-C1800 Routing
4.
Engine on page 277

Preparing to Replace a CompactFlash Card in a T640 RE-C180 Routing Engine

To prepare to replace a CompactFlash card in a T60 RE-C1800 Routing Engine:
Determine whether the host subsystem is functioning as the master or as the backup,
1.
using one of these methods:
Check the Host Subsystem LEDs on the craft interface. If the green
lit, the corresponding host subsystem is functioning as the master.
Check the LED on the control board. If the blue
MASTER
subsystem is functioning as the master.
Issue the
show chassis routing-engine
user@host> show chassis routing-engine
Routing Engine status:
Slot 0:
Current state
...
In this example, the Routing Engine in
state field.
If the host subsystem is functioning as the master, switch it to backup. Issue the
2.
chassis routing-engine master switch
From the master Routing Engine, power down the backup Routing Engine. Issue the
3.
request system power-off other-routing-engine
Chapter 17: Replacing T640 Router Hardware Components
request system reboot
ad1 . Issue the show system boot-messages
command:
Master
is designated
Slot 0
command.
command.
command.
command.
LED is
MASTER
LED is lit, the host
MASTER
in the
Master Current
request
275