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Dell Chassis Management Controller Version 3.10 for Dell EMC PowerEdge VRTX User's Guide

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Updating CMC and Mainboard Firmware

The shared capabilities of External Shared PERC 8 card are not available until both CMC and mainboard firmware are updated.

  • NOTE:
    • To view the MD12x0 cabling diagram, refer to Upgrading PowerEdge VRTX to Support Shared Storage Expansion User's Guide or Dell Shared PowerEdge RAID Controller (PERC) 8 Cards For Dell PowerEdge VRTX Systems User’s Guide available at dell.com/support/manuals.
    • The external shared storage adapter requires that you update the CMC v2.20 or later and mainboard v2.21 or later to support External Shared PERC 8 card.
    • You cannot downgrade the CMC firmware prior to 2.2 with external shared adapters.
To update the CMC and mainboard firmware:
  1. Update CMC firmware.
  2. Update mainboard firmware.
  3. Power down the chassis and install shared storage adapters in PCIe slot 5 and slot 6.
  4. Power on chassis.
  5. After powering on the chassis, update external shared storage adapters.
  • NOTE: By default, the external shared External Shared PERC 8 card is in non-fault tolerant mode. It has to be changed to Fault Tolerant mode after it is cabled appropriately. For more information, refer Upgrading PowerEdge VRTX to Support Shared Storage Expansion .

In an event, if you want to rollback CMC or MPC/mainboard firmware or CMC and MPC firmware version, do the following tasks:

To Rollback the CMC and mainboard firmware:

  1. Power off the chassis.
  2. Remove all external storage adapters from the PCI slots.
  3. Power on the chassis.
  4. Roll back the CMC and/or mainboard firmware.

You cannot downgrade the CMC, if external shared storage adapter is detected.

If the processes are not followed in order, system behavior becomes random and parts of the system may become unstable. The CMC logs IOV or RAID controller messages. Only shared storage VA mappings for PERC 1 and PERC 2 are visible in the older version of CMC. All external shared storage VA mappings do not exist in the previous version of the CMC. If an External Shared PERC 8 card is inserted after the rollback, the CMC treats it as a non-shared adapter. It may happen that the HOST PERC driver does not support the External Shared PERC 8 card.

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