US 12,430,028 B2
Storage device, storage system and logging method thereof
Jong-Sung Na, Suwon-si (KR); Seona Cho, Suwon-si (KR); Kyungduk Lee, Suwon-si (KR); and Sohyun Han, Suwon-si (KR)
Assigned to Samsung Electronics Co., Ltd., Gyeonggi-do (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Jun. 9, 2023, as Appl. No. 18/332,411.
Claims priority of application No. 10-2022-0171209 (KR), filed on Dec. 9, 2022.
Prior Publication US 2024/0192852 A1, Jun. 13, 2024
Int. Cl. G06F 3/06 (2006.01)
CPC G06F 3/061 (2013.01) [G06F 3/0656 (2013.01); G06F 3/0679 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A storage device, the device comprising:
a nonvolatile memory device configured to store data; and
a storage controller configured to
perform logging for a selected memory area of the nonvolatile memory device in response to an event based on receiving a telemetry request from a host, and
transmit log data collected by the logging in response to the telemetry request,
the storage controller including
a logging module configured to
sample distribution data of a voltage range of a selected program state or bit page corresponding to the event during the logging, and
provide the sampled distribution data as the log data;
a set feature configuration module configured to set the voltage range corresponding to a type of the event according to a set feature command from the host; and
a telemetry data management module configured to transmit the log data collected to the host according to the telemetry request.