Patent ID: 11947839
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A storage device comprising:
protected memory comprising one or more log pages;
non-volatile memory; and
a storage controller configured to:
receive a data request command over a host interface, the data request command including data associated with the data request command, first metadata, and second metadata, and access the non-volatile memory according to the data request command;
identify the second metadata from the data request command;
based on a configuration received over a first interface different from the host interface, log the second metadata in the one or more log pages;
receive a separate command over the first interface; and
retrieve the second metadata from the one or more log pages in response to the separate command,

wherein the first metadata is associated with the data, and processed according to the data request command, and
wherein the second metadata is user-defined metadata included with the data request command, is separately stored from the data and the first metadata, and is processed according to the separate command.