Evaluate Start And Stop Of Cpu Modules - NEC Express5800 Series Maintenance Manual

Chapter 1 Maintenance
5.2

Evaluate Start and Stop of CPU Modules

This section describes how to confirm the continuous system operation after stopping one of the CPU
modules.
1. Confirm that the CPU modules are duplicated.
To check if the CPU modules are duplicated, see the status LEDs of the CPU modules.
(2)
[Indications of status LED when CPU modules are duplicated]
(1)
(2)
(3)
2. Use the ftsmaint command to stop the operation of the CPU module to be removed.
To stop the CPU Module 0, run the following command.
# cd /opt/ft/bin
# ./ftsmaint bringdown 0 (*)
40
SAFE TO
PULL ID CPU MSB
PRIMARY I/O FAN
(1)
LED
PRIMARY LED
DISK ACCESS LED
LED
System FT LED
Express5800/R320c-E4, R320c-M4 Maintenance Guide (VMware)
5. Checking the Duplicating Operation of Modules
DIMM NUMBER
LSB
PSU VLT TEMP
CPU/IO module 0
(Operating)
Green
Green
System
Green
FT
ID
(3)
CPU/IO module 1
(Operating)
―
Green