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Dell PowerEdge RAID Controller 9 User’s Guide H330, H730, and H830

Recovering cache data

If a system power loss or improper system shutdown has occurred:
  1. Restore the system power.
  2. Boot the system.
  3. To enter the UEFI Configuration Utility, select Managed Preserved Cache in the controller menu. For more information, see Entering the BIOS configuration utility.
    If there are no virtual disks listed, all preserved cache data has been written to the disk successfully.

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