Samsung Electronics Co., Ltd.

Seongnam Kwon

Heewon Lee

Seungkyung Ro

Jisoo Kim

Chanik Park

Donggi Lee

Taeseok Hwang

Yang Seok Ki

Hong Rak Son

Donghwan Lee

Junjin Kong

Changkyu Seol

Pilsang Yoon

Youngho Park

Hyunkyo Oh

Jaesub Kim

Haeri Lee

Myung-hyun Jo

Jong Youl Lee

Moonsung Choi

ByungWoo Nam

Sangwoo Lim

Oak-Ha Kim

Sari Go

Unseon Cho

Donghwan Jeong

Seokyoung Ko

Soojun Im

Jiyeun Kang

A memory controller includes processing circuitry configured to, set a resource allocation ratio for multiple users, allocate a plurality of resources to the multiple users based on the resource allocation ratio, the plurality of resources being used by the multiple users to access a memory device, the plurality of resources including at least one independent resource type resource and at least one shared resource type resource, the allocating the plurality of resources including independently allocating the at least one independent resource type resource to the multiple users based on the resource allocation ratio and allocating the at least one shared resource type resource to the multiple users in a time-division manner based on the resource allocation ratio, and perform a fetch operation on memory commands associated with the multiple users based on the allocated plurality of resources to the multiple users, the memory commands being generated by the multiple users.

Memory controller performing resource allocation for multiple users, storage device including the same, and operating method of memory controller

Disclosed is an operating method of a storage device, which includes detecting virus/malware, performing an authentication operation with a host device when the virus/malware is detected, and entering a recovery mode when the authentication operation indicates that authentication is successful.

Storage device and method for protecting against virus/malware thereof and computing system having the same

A storage device includes: a nonvolatile memory including power loss protector (PLP) memory blocks configured to store at least one of meta data or user data for data backup; a buffer memory configured to store at least one of the meta data or the user data stored in the PLP memory blocks; a charging circuit configured to generate electric power for data backup in response to a sudden power off (SPO) occurrence, and transmit a first charging complete signal or a second charging complete signal to a processor according to a level of the electric power, and; and the processor configured to control at least one of the nonvolatile memory and the buffer memory to execute a first request from a host related to the meta data with priority in response to the first charging complete signal, and execute a second request from the host related to the meta data or the user data in response to the second charging complete signal.

Storage device and operating method thereof

At least one example embodiment provides a method for transferring a request in a storage device. The method includes generating an asynchronous command completion that corresponds to an asynchronous event request command and has a wall clock time request, receiving a set features command having a timestamp, the set features command corresponding to the asynchronous command completion, and updating the wall clock time using the timestamp.

Method for transferring request in storage device and method for issuing command in host

A memory system includes multiple storage devices that each include a nonvolatile memory device. A client device is configured to collect deterioration information of the nonvolatile memory devices provided from the storage devices. A server device is configured to receive the collected deterioration information and to predict a degree of deterioration of the nonvolatile memory devices in real time by performing machine learning based on the collected deterioration information and initial deterioration information. The client device determines a read level of the nonvolatile memory device based on the degree of deterioration of the nonvolatile memory devices from the server device. The storage device sets the nonvolatile memory device to operate based on the read level determined in the client device.

Storage device, memory system, and read voltage decision method thereof

A data storage device which exchanges multi-stream data with a host includes a nonvolatile memory device; a buffer memory configured to temporarily store data to be stored in the nonvolatile memory device or data read from the nonvolatile memory device; and a storage controller configured to receive from the host an access command for accessing segments of the multi-stream data, the accessing including reading the segments of the multi-stream data from or writing the segments of the multi-stream data to the nonvolatile memory device, wherein the storage controller is configured to store the access-requested segments in the buffer memory, the access-requested segments being the segments of data for which access is requested in the access command, the multi-stream data including a plurality of data streams that correspond respectively to a plurality of multi-stream indexes, the first multi-stream index being one of a plurality of multi-stream indexes.

Storage device and data processing method thereof

A storage device includes a nonvolatile memory device and a controller. The nonvolatile memory device includes multiple memory blocks, each of which includes memory cells. The controller reads data from selected memory cells of a memory block selected from the memory blocks during a read operation. The selected memory cells correspond to both a word line and a string selection line selected as a read target. The controller increases a read count by a read weight corresponding to the selected word line and string selection line of the selected memory block, and performs a refresh operation on the selected memory cells if the read count reaches a threshold value. In the selected memory block, two or more read weights are assigned according to locations of the string selection lines and the word lines.

Storage device including nonvolatile memory device and controller with varied read weights

A storage device may include a nonvolatile memory device, a buffer memory, and a controller. The controller may perform first accesses on the nonvolatile memory device using the buffer memory, collect access result information and access environment information of the first accesses in the buffer memory, and generate an access classifier that predicts a result of a second access to the nonvolatile memory device by performing machine learning based on the access result information and the access environment information collected in the buffer memory.

Storage devices including nonvolatile memory devices and access methods for nonvolatile memory devices

Exemplary embodiments for reconfiguring a storage system comprise receiving user requirement information for a storage device and automatically generating feature settings for the storage device from the user requirement information and a device profile for the storage device; and using the feature settings to automatically reconfigure the storage device into one or more logical devices having independent behavioral characteristics. Further exemplary embodiments comprise receiving feedback from the storage device regarding runtime performance data of at least one of the storage device and the logical devices; and responsive to a determination that the runtime performance data do not satisfy the user requirement information, dynamically adjusting configuration of the one or more logical devices to meet the user requirement information.

Reconfigurable storage device

Growing community of inventors

Bucheon-si, South Korea

Seongnam Kwon