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FatTwin: System Notes
As a FatTwin configuration, the FatTwin F618R3-FT is a unique server system. With
eight system boards incorporated into a single chassis acting as eight separate
nodes, there are several points you should keep in mind.
Nodes
Each of the eight serverboards act as a separate node in the system. As independent
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 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
Four 1620 Watt power supplies are used to provide the power for all serverboards.
Each serverboard however, can be shut down independently of the others with the
power button on its own control panel.
SATA Drives
As a system, the FatTwin F618R3-FT supports the use of two (2) SATA HDD's per
node for a total of sixteen (16) HDD drives in the system. These drives are fixed and
therefore NOT hot-swappable. Consequently, RAID setup is limited to a two-drive
scheme (RAID cannot be spread across all drives). See Chapter 6 for the logical
hard drive and node configuration.
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Chapter 1: Introduction
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