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Chapter 3: Maintenance and Component Installation
3.4 Chassis Components
This section provides instructions on installing and replacing system components. To assure
compatibility, only use components that match the specifications or part numbers given.
Corresponding Nodes, Fans and Hard Drives
The SC938NH-R2K20B chassis contains eight individual nodes each containing a
motherboard. Each node controls two storage drives and shares a fan with the node beside
it. If a node is pulled out of the chassis, the associated drives will power down.
Figure 3-5. Corresponding Nodes, Fans, and Drives
Node
Fan
Drives
Node 1
Fan 1
Storage drives A1 and A2
Node 2
Fan 1
Storage drives B1 and B2
Node 3
Fan 2
Storage drives C1 and C2
Node 4
Fan 2
Storage drives D1 and D2
Node 5
Fan 3
Storage drives E1 and E2
Node 6
Fan 3
Storage drives F1 and F2
Node 7
Fan 4
Storage drives G1 and G2
Node 8
Fan 4
Storage drives H1 and H2
Node 8
Fan 1
Fan 3
Fan 2
Fan 4
Node 7
Node 6
Node 5
Node 4
Node 3
Node 2
Node 1
1
A
1
E
1
G
1
C
1
B
1
D
1
F
1
H