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Appendix C
RAID Controller Considerations
Cisco UCS C250 Server Cabling
The cable connections required for each type of supported controller are as follows:
LSI SAS3081E-R PCIe Card
The required
cable 2 controls drives 5–8.
LSI MegaRAID SAS 9261-8iPCIe Card
The required
cable 2 controls drives 5–8.
How to Determine Which Controller Is in Your Server
If you do not have a record of which option is used in the server, you can disable quiet boot and read the
on-screen messages that are displayed during system bootup.
Information about the models of card installed are displayed as part of the verbose boot. You are also
prompted to press Ctrl-H to launch configuration utilities for those cards. For servers running CIMC
firmware earlier than release 1.2(1), see also
Than Release 1.2(1), page
OL-20888-02
cable kit has two mini-SAS cables. Cable 1 controls drives 1–4 and
R2XX-PL003-CBL
1.
Connect mini-SAS cable 1 from connector SAS1 on the controller to the SAS1 connector on the
backplane.
Connect mini-SAS cable 2 from connector SAS2 on the controller to the SAS2 connector on the
2.
backplane.
cable kit has two mini-SAS cables. Cable 1 controls drives 1–4 and
R2XX-PL003-CBL
Connect mini-SAS cable 1 from connector SAS1 on the controller to the SAS1 connector on the
1.
backplane.
Connect mini-SAS cable 2 from connector SAS2 on the controller to the SAS2 connector on the
2.
backplane.
C-4.
How to Determine Which Controller Is in Your Server
How to Disable Quiet Boot For CIMC Firmware Earlier
Cisco UCS C250 Server Installation and Service Guide
C-3
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