For servers running in standalone mode only: After you replace controller hardware (UCSC-RAID-M5 or
UCSC-SAS-M5), you must run the Cisco UCS Host Upgrade Utility (HUU) to update the controller firmware,
even if the firmware Current Version is the same as the Update Version. This is necessary to program the
controller's suboem-id to the correct value for the server SKU. If you do not do this, drive enumeration might
not display correctly in the software. This issue does not affect servers controlled in UCSM mode.
See the HUU guide for your Cisco IMC release for instructions on downloading and using the utility to bring
server components to compatible levels: HUU Guides.
Note
Figure 36: mRAID Riser (Internal Riser 3) Location
Card-ejector lever3External blue handle1
-Two pegs on inner chassis wall2
Replacing a Boot-Optimized M.2 RAID Controller Module
The Cisco Boot-Optimized M.2 RAID Controller module connects to the mini-storage module socket on the
motherboard. It includes slots for two SATA M.2 drives, plus an integrated 6-Gbps SATA RAID controller
that can control the SATA M.2 drives in a RAID 1 array.
Cisco Boot-Optimized M.2 RAID Controller Considerations
Review the following considerations:
Maintaining the Server
65
Maintaining the Server
Replacing a Boot-Optimized M.2 RAID Controller Module
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