Figure 105 Power Supply Control Using A Power Synchronized Unit (When Connecting Three Or More Servers) - Fujitsu ETERNUS DX500 S4/DX600 S4 Design Manual

4. Connection Configuration
Power Synchronized Connections
When connecting three or more servers
•

Figure 105 Power Supply Control Using a Power Synchronized Unit (When Connecting Three or More Servers)

Turns on: 1
Turns off: 2
UPS unit for
Server#1
UPS unit for
Server#0
Powering on sequence
1
Power on of all the server UPS units
2
Server startup
The server OS startup is suspended until the ETERNUS DX startup is complete (*1).
3
Issuance of command to turn on the ETERNUS DX from the power synchronized unit
4
ETERNUS DX startup
*1: The server must be set to suspend server OS startup until the ETERNUS DX startup is complete.
FUJITSU Storage ETERNUS DX500 S4/DX600 S4, ETERNUS DX500 S3/DX600 S3 Hybrid Storage Systems Design Guide (Basic)
Turns on: 2
Turns off: 1
Server#1
Server#0
Power synchronized
unit#0
PWC PWC
PWC
3
PWC
165
Copyright 2019 FUJITSU LIMITED
Server#3
UPS unit for
AC sensor
unit#1
Server#2
UPS unit for
AC sensor
unit#0
ETERNUS DX
4
ETERNUS DX
4
Server#3
Server#2
P3AM-7722-25ENZ0