Title:
SSD AND FIRMWARE-BASED SSD BLOCK FAILURE PREDICTION AND AVOIDANCE METHODS
Document Type and Number:
Japanese Patent JP2021068453
Kind Code:
A
Abstract:
To provide SSD and firmware-based SSD block failure prediction and avoidance methods.SOLUTION: A Solid State Drive (SSD) comprises: flash storage for data comprising a plurality of blocks; a controller to manage data reading from and data writing to the flash storage; metadata storage to store device-based log data for errors in the SSD; and identification firmware that may be executed on a processor, the identification firmware being operative to identify a suspect block in the plurality of blocks in response to the device-based log data. Verification firmware determines whether the suspect block is predicted to fail in response to both precise block-based data and the device-based log data.SELECTED DRAWING: Figure 1
Inventors:
NIMA ELYASI
CHOI CHANGHO
CHOI CHANGHO
Application Number:
JP2020178218A
Publication Date:
April 30, 2021
Filing Date:
October 23, 2020
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD
International Classes:
G06F11/22; G06F3/06; G06F3/08
Attorney, Agent or Firm:
Kyosei International Patent Office