Tuesday, 2 April 2013

Cisco UCS C-Series RAID controller notes


Software embedded RAID controllers (UCSC-RAID-ROM5 and UCSC-RAID-ROM55) are not supported by virtualisation software so a physical RAID controller would be required for use in a vmware host.

The Intel Romley architecture removes the IO Hub and directly maps the PCIe lanes to the processor logic. In the C220M3, the Mezz slot (used by UCSC-RAID-11-C220 and UCSC-RAID-MZ-220) and PCI Slot 2 are both mapped to CPU2, therefore in a 1-CPU configuration, the Mezz slot and PCI slot 2 are unavailable for use.

The C220 M3 spec sheet provides information on supported RAID card configurations from Page 21.


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