Patent ID: 11893275
Assignee: WESTERN DIGITAL TECHNOLOGIES, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 9:
10. A data storage device, comprising:
a memory device; and
a controller coupled to the memory device, wherein the data storage device is DRAM-less, and wherein the controller is configured to:
determine that a connection between the controller and a host memory buffer (HMB) of a host device has been restored, wherein the connection between the host device and the data storage device is rebooted in response to a re-try limit of a command being reached, wherein re-trying the command comprises resending the command to the data storage device from the host device in response to a re-try suggestion sent by the controller to the host device;
copy a flash translation layer (FTL) table from the memory device to the HMB, wherein the copying occurs after the connection between the controller and the HMB has been restored; and
execute one or more commands stored in a command database.