1. Overview
Power Management for Power Synchronization
FUJITSU Storage ETERNUS AF, ETERNUS DX Configuration Guide (Power Synchronized Unit)
Copyright 2019 FUJITSU LIMITED P3AM-8012-14ENZ0
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4 Issuance of command to turn on the ETERNUS DX/AF from the power synchronized unit
5 ETERNUS DX/AF startup
6 Server OS startup
The following figure shows the timing chart of power on operations for scheduled operations and power recovery.
For details about setting items and values, refer to the manual of the expansion card that is installed in the UPS
unit and the manual of the UPS management software that is used.
Figure 8 Operation timing chart when using a power synchronized unit (powering on)
3 OS startup suspension
Shutdown state
Operating6 OS startup
ON
OFF
ON
OFF
ETERNUS DX/AF
Server UPS unit
Server
ETERNUS DX/AF
UPS unit
2 Issuance of command to turn on the server
2 Power on of the server UPS unit (Power supply starts)
4 Issuance of command to turn on the ETERNUS DX/AF from the power synchronized unit
S1 (>E1)
5 Startup Operating
E1
1 Power on of an ETERNUS DX/AF UPS unit (Power supply starts)
S1: Waiting time interval starting from when the command is issued to turn on the server to the beginning of the OS startup process.
Set a longer time than the time that is required to complete ETERNUS DX/AF startup (E1).
E1: Time that is required to complete ETERNUS DX/AF startup from the start of powering on of the ETERNUS DX/AF.
For details, refer to the manual that is provided with the connected ETERNUS DX/AF.
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