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Appendix C
RAID Controller Considerations
Example 1—One Nonexpander and One RAID Controller With Eight Drives
Figure C-1
nonexpander transition card to control eight drives in the modular drive bay.
Two RAID cables are required (1 UCSC-RC-1M-C260 and 1 UCSC-RC-P8M-C260).
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Figure C-1
1
2
OL-24342-01
shows an example of a server that is using one RAID controller in PCIe slot 3 and a
Slot 3 RAID Controller to bay 1 drives 1–4:
The blue line is a 0.8m cable (UCSC-RC-P8M-C260) from the RAID controller SAS 0 connector to
the nonexpander connector for PORT 1– 4.
Slot 3 RAID Controller to bay 1 drives 5–8:
The red line is a 1m cable (UCSC-RC-1M-C260) from the RAID controller SAS 1 connector to the
nonexpander connector for PORT 5–8.
The green line is the cable from the RAID controller to an optional battery backup unit.
RAID Controller Cabling Guidelines, Nonexpander Transition Card
1
Nonexpander transition card
(shown with fan tray removed)
Battery backup unit
(mounted to chassis inner wall)
3
RAID controller card in PCIe slot 3
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Cisco UCS C260 Server Installation and Service Guide
RAID Controller Cabling
3
2
C-3
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