
Adding a node 14-27
Three- to four-node expansion (shadowed)
Standard 1.0 Modular Option EC Installation and Maintenance Guide November 1999
Three- to four-node expansion (shadowed)
Introduction
Node 4 is located in the same module as node 3.
Expanding from a
3-node to a 4-node
shadowed system
To expand from a 3- to a 4-node shadowed system, follow these
steps.
Step Action
1 Power down the module.
Note:
You must properly courtesy down the system before you
can power down. For more information on courtesy down
procedures, refer to the “System status and maintenance”
chapter in the
System Administration Guide
appropriate to your
site.
2 Insert the additional CEPS, Enhanced MMP40 board (module
MM1, slot 7), and disk drives (module MM1, slots MSU4 and
MSU5) into node 4 as indicated in the illustration below.
Note:
Before you install the disk units, verify their jumper
settings. Refer to Chapter 7, “Installing the disk drives and tape
drive.”
Adding node 4 to a shadowed system
3 If you need extra RS-232 ports, install a utility card (module
MM1, slot 5), and remove the EVB terminator, if there is one,
from shroud S7 in module MM1.
0
VP/
GP
12345
Util
109
MSU1
MSU3 MSU5
CE
Power
Supply
Node
Y
Node X/Y Node ZMeridian Mail
Module
Node
X
CE
Power
Supply
6
MSU4MSU2
78 11
MMP
40
MMP
40
MMP
40
VP/
GP
0
VP/
GP
12345
Util
109
MSU1
MSU3 MSU5
CE
Power
Supply
Node
Y
Node X/Y Node ZMeridian Mail
Module
Node
X
CE
Power
Supply
6
MSU4MSU2
78 11
MMP
40
MMP
40
MMP
40
VP/
GP
Module 0
Module 1
G100073
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