Fujitsu PRIMERGY BX400 S1 User Manual download pdf (Page 21)

BX400 S1 Operating Manual 21

Introduction

The connection blades aresupport hot-swapping. By installing two connection

blades in two adjacent slots (not possible with Infiniband connection blades),

you can provide redundant network connections for the server blades (for

details, see section "Connection blades" on page 92).

Management blade

The system unit has slots for two redundant, hot-swap management blades with

an integrated management solution for complete remote administration of the

system. The base configuration of the system unit contains one management

blade (for details, see section "Management blades" on page 131).

Power supply

The system unit has four installation bays for hot-plug power supply units which

automatically set themselves to a voltage in the range of 100 - 120 V / 200 - 240

V. The base configuration includes one power supply unit. As an option, you can

set up a redundant power supply with up to three additional power supply units.

If a power supply unit fails, the redundant configuration assures continued

operation. The defective power supply unit can be replaced during operation

(for further details see section "Hot-plug power supply units" on page 132).

Cooling

Cooling of the system is ensured by two fans in each power supply unit and by

the fan modules. Each of the fan units contains 2 fans. The fan modules have

the same aspect ratio as the power supply units. Empty power supply

installation bays must be fitted with fan modules. The configuration is redundant

and offers hot-swap functionality (for more information, see "Hot-plug power

supply units" on page 132).

High level of availability and failure protection

ASR&R (Automatic Server Reconfiguration and Restart) restarts the system in

the event of an error and automatically "hides" the defective system

components.

The PDA (Prefailure Detection and Analyzing) technology from Fujitsu

Technology Solutions analyzes and monitors all components that are critical for

system reliability.

The hot-swap components provide additional failure protection. Failure

protection for the entire system is ensured by four redundant hot-swap power

supply units as well as redundant hot-swap fans.

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Fujitsu PRIMERGY BX400 S1 User Manual Page 21