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Appendix C
RAID Controller Considerations
RAID Controller Cabling
This section includes the following topics:
•
•
Cable Routing
The RAID controller connectors in this server are shown in
•
•
•
Figure C-1
1 Drive backplane
The SFF 16-drive and LFF 12-drive options have
an expander integrated into the backplane.
2 Expander
The SFF 24-drive version (shown) has an expander
separate from the backplane.
3 SCPM mounting location on removable air baffle
(air baffle not shown)
OL-32474-01
Cable Routing, page C-7
Cisco UCS C240 M4 Server RAID Controller Cabling Instructions, page C-8
The red line shows the recommended cable routing path from the Cisco modular RAID controller
card or the embedded SATA RAID interposer board to the drive backplane or expander. Cable clips
on the chassis wall secure the cables.
The blue line shows the recommended cable routing path from the Cisco modular RAID controller
to the SCPM on the removable air baffle. The SCPM cable should pass through the opening on the
rear of the air baffle to avoid interfering with the top cover.
The green line shows the recommended cable routing path from an HBA in slot 1 to the drive
backplane or expander.
RAID Controller Connectors and Cable Paths
1
2
3
4
4 Cisco modular RAID controller PCIe slot
(dedicated slot on motherboard)
5 Embedded SATA RAID interposer board
socket on motherboard
Cisco UCS C240 M4 Server Installation and Service Guide
RAID Controller Cabling
Figure
C-1.
Riser 2
Riser 1
5
C-7
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