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RAID Controller Cabling
Cisco UCS C240 M4 Server RAID Controller Cabling Instructions
This section contains cabling instructions for controlling front-facing drives in the four server versions
and their supported cables:
•
•
•
•
SFF 8-Drive Direct-Connect Backplane, No Expander
The SFF 8-drive option does not use a SAS expander, so connections from the controller are made
directly to the backplane. The cable connections required for each type of controller are as follows:
Embedded RAID
This option can control up to eight front-facing SATA drives (in two groups of four drives).
The required
(mini-SAS HD to mini-SAS 36-pin x2).
Make the following connections:
Cisco UCS 12G Modular RAID Controller
This option can control up to eight drives.
The required
Make the following connections:
SFF 16-Drive Backplane with Integrated Expander
The SFF 16-drive option has a SAS expander integrated with the backplane.
Cisco UCS 12G Modular RAID Controller
This option can control up to 16 drives.
The required
Make the following connections:
Cisco UCS C240 M4 Server Installation and Service Guide
C-8
SFF 8-Drive Direct-Connect Backplane, No Expander, page C-8
SFF 16-Drive Backplane with Integrated Expander, page C-8
SFF 24-Drive Backplane with Expander Cabling, page C-9
LFF 12-Drive Backplane with Expander, page C-9
UCSC-IP-PCH-C240M4=
1.
Connect the PORT A cable connector to the PORT A connector on the interposer board.
2.
Connect the PORT B cable connector to the PORT B connector on the interposer board.
3.
Connect the single mini-SAS HD cable connector to the single connector on the backplane.
UCS-240CBLMR8=
1.
Connect one end of the cable to the modular RAID controller card.
2.
Connect the other end of the cable to the single mini-SAS HD connector on the backplane.
UCS-C240CBLMR16=
Connect one end of the cable to the modular RAID controller card.
1.
Connect the other end of the cable to the single mini-SAS HD connector on the backplane.
2.
kit includes the SATA interposer board and one Y-cable
cable kit has one cable with a mini-SAS HD connector on each end.
cable kit has one cable with a mini-SAS HD connector on each end.
Appendix C
RAID Controller Considerations
OL-32474-01
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