Fujitsu ETERNUS DX100 S3 - Figure 102 Power Supply Control Using a Power Synchronized Unit (When Connecting Three or more Servers)

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When connecting three or more servers
Figure 102 Power Supply Control Using a Power Synchronized Unit (When Connecting Three or More
Servers)
ETERNUS DX
PWC
Power synchronized
unit#0
UPS unit for
Server#0
PWC
PWC
ETERNUS DX
PWC
Server#2
AC sensor
unit#1
Server#3
Server#0
UPS unit for
Server#1
Server#1
UPS unit for
Server#2
UPS unit for
Server#3
AC sensor
unit#0
Turns on: 1
Turns off: 2
Turns on: 2
Turns off: 1
4
4
3
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.
4. Connection Configuration
Power Synchronized Connections
168
Fujitsu Storage ETERNUS DX100 S4/DX200 S4, ETERNUS DX100 S3/DX200 S3 Hybrid Storage Systems
Design Guide (Basic)
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