Hardware Configurations; Configuration Schematics; Figure 100 Minimum Configuration Diagram: Eternus Af250 S2 - Fujitsu ETERNUS AF250 Design Manual

3.

Hardware Configurations

Multiple options can be selected in the ETERNUS AF according to the customer's requirements. This chapter de-
scribes the installation conditions and standard installation rules for each component.

Configuration Schematics

The following diagrams show minimum and maximum configurations for ETERNUS AF storage systems.
■
Minimum Configuration

Figure 100 Minimum Configuration Diagram: ETERNUS AF250 S2

CA
CM#0
Memory
CPU
BUD
IOC
BBU
EXP
PSU
PANEL: Operation Panel
CE: Controller Enclosure
CM: Controller Module
CA: Channel Adapter
Host Interface
Memory: System Memory
BUD: Bootup and Utility Device
• Backup area in case of power outage
Storage area for firmware
•
BBU: Battery Backup Unit
Backup power source in case of power outage
IOC: I/O Controller
Controller to control I/O
EXP: SAS Expander
Expander chip for SAS connections
MP: Mid Plane
Board that is located between the front of the enclosure and the rear of the enclosure (the controller
(CM) side)
CE
CA
PANEL
CPU
IOC
EXP
MP
FUJITSU Storage ETERNUS AF250 S2, ETERNUS AF250 All-Flash Arrays Design Guide (Basic)
Copyright 2019 FUJITSU LIMITED
CM#1
Memory
BUD
BBU
PSU
149
P3AG-1822-09ENZ0