US 11,934,673 B2
Workload amplification metering and management
Abhay T. Kataria, Longmont, CO (US); Praveen Viraraghavan, Chicago, IL (US); and Mark A. Gaertner, Shakopee, MN (US)
Assigned to Seagate Technology LLC, Fremont, CA (US)
Filed by Seagate Technology LLC, Fremont, CA (US)
Filed on Aug. 11, 2022, as Appl. No. 17/885,828.
Prior Publication US 2024/0053910 A1, Feb. 15, 2024
Int. Cl. G06F 3/06 (2006.01)
CPC G06F 3/0635 (2013.01) [G06F 3/0604 (2013.01); G06F 3/0634 (2013.01); G06F 3/0673 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A data storage device comprising:
at least one data storage medium; and
a controller communicatively coupled to the data storage medium and configured to change usage of the data storage device for at least one of data read or data write operations to the data storage medium based on a workload of the data storage device and a workload rating of the data storage device,
wherein the change in the usage of the data storage device is carried out independently of any host device connected to the data storage device;
wherein the controller is configured to change the usage of the data storage device by changing caching policies of the data storage device; and
wherein:
the at least one data storage medium comprises at least one data storage disc having a media cache portion and main storage portion;
the data storage device further comprises a solid state cache memory; and
changing the caching policies comprises changing one or more criteria that determine whether to transfer data from the solid state cache memory to the media cache portion prior to transferring the data to the main storage portion.