Appendix C RAID Controller Considerations
Embedded RAID Controller
Disabling the Embedded RAID Controller in the BIOS
Caution Data migration from SW RAID to HW RAID is not supported and could result in data loss. Migrations from SW RAID to HW RAID are supported only before there is data on the drives, or the case in which there are no drives in the server.
If you change from using this embedded controller to a RAID controller card, you must disable the embedded controller in the server BIOS.
Note The embedded RAID controller uses different cables than the PCIe card controllers. See Supported RAID Controllers and Required Cables, page
Use the following procedure to disable the LSI MegaSR drivers.
Step 1 Boot the server and press F2 when prompted to enter the BIOS Setup utility.
Step 2 Select the Advanced tab, then South Bridge.
Step 3 Set Onboard SATA Controller to Disabled.
Step 4 Press F10 to save your changes and exit the utility.
Launching the LSI Embedded RAID Configuration Utility
Launch the utility by pressing Ctrl+M when you see the prompt during system boot.
For more information about using the Embedded MegaRAID software to configure your disk arrays, see the LSI Embedded MegaRAID Software User Guide.
Installing LSI MegaSR Drivers For Windows and Linux
Note The required drivers for this controller are already installed and ready to use with the LSI SWRAID Configuration Utility. However, if you will use this controller with Windows or Linux, you must download and install additional drivers for those operating systems.
This section explains how to install the LSI MegaSR drivers for the following supported operating systems:
•Microsoft Windows Server
•Red Hat Enterprise Linux (RHEL)
•SuSE Linux Enterprise Server (SLES)
For the specific supported OS versions, see the Hardware and Software Interoperability Matrix for your server release.
This section contains the following topics:
Cisco UCS C22 Server Installation and Service Guide
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