Figure 73 Power Supply Control Using A Power Synchronized Unit (When Connecting Three Or More Servers) - Fujitsu ETERNUS DX60 S4 Design Manual

2. Connection Configuration
Power Synchronized Connections
When connecting three or more servers
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Figure 73 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 DX60 S4, ETERNUS DX60 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
119
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-8992-14ENZ0