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2U Twin
As a 2U Twin
configuration, the SuperServer 6027PR-HC1(R/TR/FR) is a unique
2
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 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 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
Dual 2000 W power supplies are used to provide the power for all four serverboards.
Each serverboard however, can be shut down independently of the other with the
power button on its own control panel.
SAS/SATA Backplane and Drives
As a system, the server supports the use of twelve SAS/SATA drives. A single SAS/
SATA backplane works to apply system-based control for power and fan speed
functions, yet at the same time logically connects a set of three SAS/SATA drives
to each serverboard. Consequently, RAID setup is limited to a three-drive scheme—
RAID cannot be spread across all twelve drives. See the Drive Bay Installation/
Removal section in Chapter 6 for the logical hard drive and node configuration.
: System Notes
2
1-7
Chapter 1: Introduction
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