Managing self-encrypting drives (SEDs) on a Flex 53x2 applianceThis section includes the following topics:About self-encrypting drives (SED) on Flex 53x2 appliancesChanging an SED keyAdding an external key management service (KMS)Editing an external key management service (KMS)Removing an external key management service (KMS)Unlocking the operating system driveAbout the SED statesMoving an appliance with SEDsAdding or replacing storage