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Fat Twin: System Notes
As a FatTwin confi guration, the FatTwin F517H6-FT is a unique server system.
With four system boards incorporated into a single chassis acting as four separate
nodes, there are several points you should keep in mind.
Nodes
Each of the four serverboards act as a separate node in the system. As independant
nodes, each may be powered off and on without affecting the others. In addition,
each node is a hot-swappable unit that may be removed from the rear of the chassis.
The nodes are connected to the server backplane by means of an adapter card.
Note: A guide pin is located between the upper and lower nodes on the inner chassis
wall. This guide pin also acts as a "stop" when a node is fully installed. If too much
force is used when inserting a node this pin may break off. Take care to slowly slide
a node in until you hear the "click" of the locking tab seating itself.
System Power
Two high-effi ciency 94%+ Plus Platinum Level 1620 Watt power supplies are used
to provide the power for all serverboards. Each serverboard however, can be shut
down independently of the other with the power button on its own control panel.
SAS/SATA Backplane/Drives
As a system, the FatTwin F517H6-FT supports the use of fi fty-six (56) SAS/SATA
drives. Each of the backplanes in the system logically connects the internal fi xed
SAS/SATA drives to each node's backplane/serverboard. See Chapter 6 for the
logical hard drive and node confi guration.
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Chapter 1: Introduction
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