C-4
Cisco UCS C260 Server Installation and Service Guide
OL-24342-01
Appendix C RAID Controller Considerations
RAID Controller Cabling
Example 2—Two Nonexpanders and Two RAID Controllers With 16 Drives
Figure C-2
shows an example of a server that is using two RAID controllers in PCIe slots 3 and 5 and
two
nonexpander
transition cards to control eight drives in each of the two modular drive bays.
Four RAID cables are required (2 x UCSC-RC-1M-C260 and 2 x UCSC-RC-P8M-C260).
•
Slot 5 RAID Controller to bay 1 drives 1–4:
The upper
blue
line is a 0.8m cable (UCSC-RC-P8M-C260) from the Slot 5 RAID controller SAS 0
connector to the nonexpander connector for PORT 1–4.
•
Slot 5 RAID Controller to bay 1 drives 5–8:
The
red
line is a 1m cable (UCSC-RC-1M-C260) from the Slot 5 RAID controller SAS 1 connector
to the nonexpander connector for PORT 5–8.
•
Slot 3 RAID Controller to bay 2 drives 1–4:
The
violet
line is a 1m cable (UCSC-RC-1M-C260) from the Slot 3 RAID controller SAS 0
connector to the nonexpander connector for PORT 1–4.
•
Slot 3 RAID Controller to bay 2 drives 5–8:
The lower
blue
line is a 0.8m cable (UCSC-RC-P8M-C260) from the Slot 3 RAID controller SAS 1
connector to the nonexpander connector for PORT 5–8.
•
The
green
and
yellow
lines are the cables from the RAID controllers to their respective battery
backup units.
Figure C-2
RAID Controller Cabling Guidelines, Two Nonexpanders and Two Controllers
1
Transition cards, nonexpander version
(shown with fan tray removed)
3
RAID controller cards in PCIe slots 3 and 5
2
Battery backup units
(2, mounted to the inner chassis wall)
–
330762
1
2
3