Replacing An Sdram Module On An M10I Routing Engine; Removing An Sdram Module From An M10I Routing Engine - Juniper M10i Hardware Manual

Related
Documentation

Replacing an SDRAM Module on an M10i Routing Engine

Copyright © 2010, Juniper Networks, Inc.
All manuals and user guides at all-guides.com
dd if=/dev/zero of=dev/ad0 count20
On the console or other management device connected to the Routing Engine, enter
4.
CLI operational mode and issue the following command to copy the currently running
and active file system partitions on the router to standby partitions on the
CompactFlash card.
user@host> request system snapshot partition
Wait until a message appears on the console confirming that the procedure is
complete.
For more information about the command, see the Junos OS System Basics and Services
Command Reference.
Issue the following command to reboot the router's software:
5.
user@host> request system reboot
The CompactFlash card will now be the primary boot device.
You can verify correct boot order by issuing the
6.
The output lists the devices mounted. The CompactFlash card is located at
For more information about the command, see the Junos OS System Basics and Services
Command Reference.
Installing the M10i Routing Engine on page 134
M10i Routing Engine Architecture Overview on page 33
Maintaining the M10i Routing Engine on page 83
Troubleshooting the M10i Routing Engine on page 88
The SDRAM installed on the Routing Engine provides storage for the routing and
forwarding tables and for other Routing Engine processes. The design of the Routing
Engine allows you to modify the SDRAM configuration by adding DIMM memory modules
to or removing modules from the Routing Engine. The Routing Engine contains from one
to three 168-pin DIMMs.
Removing an SDRAM Module from an M10i Routing Engine on page 139
1.
Installing an SDRAM Module in an M10i Routing Engine on page 140
2.

Removing an SDRAM Module from an M10i Routing Engine

The SDRAM modules are located on the top of the Routing Engine. To remove a SDRAM
module:
Place an electrostatic bag or antistatic mat on a flat, stable surface.
1.
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
2.
the strap to one of the ESD points on the chassis.
Chapter 15: Replacing M10i Hardware Components
show system boot-messages
command.
ad0 .
139