Samsung Electronics Co., Ltd.

Dongouk Moon

Jinwook Lee

Hyunjoon Yoo

Sanghwa Jin

Minho Kim

Min-Ho Kim

Seunghan Lee

Soo-Young Ji

Sooyoung Ji

Sang-Hwa Jin

Dong-Hoon Kim

Yongwook Kim

Byoung-Joo Kim

Heeseok Eun

Jungsoo Kim

Wijik Lee

Kyoungeun Lee

Tai Ho Choi

Provided is a storage device including a non-volatile memory, a memory controller configured to communicate with a host device through a first channel and configured to control the non-volatile memory, and a sub controller configured to communicate with the host device through a second channel and configured to monitor an operation status of the memory controller. The sub controller is configured to perform operations including broadcasting state information of the storage device including the operation status to at least one external device through the second channel, and performing a recovery operation on the memory controller when recovery information is received from the at least one external device through the second channel.

Storage device and storage system

A storage system includes a first storage device including a first write buffer and a first nonvolatile memory device, and a second storage device including a second write buffer and a second nonvolatile memory device. The first storage device is configured to, in response to a determination that a use buffer size of the first write buffer is greater than a first reference buffer size when the first storage device receives write data from a host, transfer the write data to the second storage device, and the second storage device is configured to store the write data.

Storage system and computing system including the same

Storage devices and systems implementing blockchain networks based on proof of space (PoS) are described. A PoS module may be configured to perform PoS processing of PoS data transferred through an interface circuit to generate operation data. A security module may be configured to perform encryption of user data (to generate first encrypted data) and encryption of the operation data (to generate second encrypted data) using different encryption algorithms. A nonvolatile memory device may then store the first encrypted data and the second encrypted data in different namespaces (e.g., user data may be stored in a user namespace and PoS data may be stored in a PoS namespace). Accordingly, interference and/or malicious effect between the user data and the PoS data may be reduced (e.g., blocked) and stability of the PoS algorithm may be enhanced.

Storage device for a blockchain network based on proof of space and system including the same

An accelerator includes a memory access module configured to acquire a plurality of original images for generating a VR image from a input device, and a computing module including a stitching region detector, a stitching processor, an image processor, and a combination processor. The memory access module is configured to transmit the plurality of original images to the stitching region detector. The stitching region detector is configured to detect at least one stitching region and an image region from each of the plurality of original images by performing detection processing on each of the plurality of original images received from the memory access module, to provide the at least one stitching region to the stitching processor, and to provide the image region to the image processor. The stitching processor is configured to generate at least one post-processed stitching region.

Accelerator, storage device, and VR system

A method of writing data in a storage device is provided. The method includes: receiving write data from a host device; monitoring an operating temperature of the storage device; generating a plurality of write data blocks respectively corresponding to a plurality of storage regions of the storage device based on the write data; and based on the operating temperature, performing a write throttling operation including performing a write operation on P write data blocks among the plurality of write data blocks by transmitting a write command to P storage regions among the plurality of storage regions and skipping the write operation on X write data blocks among the plurality of write data blocks by skipping an operation of transmitting the write command to X storage regions among the plurality of storage regions. P and X are natural numbers.

Method of writing data in storage device using write throttling and storage device performing the same

In a method of operating a storage device including a nonvolatile memory device, an abnormal area may be detected as an optional area in the nonvolatile memory device, and optional data optional data may be stored in the optional area. The abnormal area may be a portion of the nonvolatile memory device having an access time exceeding a reference latency.

Method of operating a storage device including detecting an abnormal area, where an access time exceeds a reference latency, as an optional area in the nonvolatile memory device and storing optional data in the optional area, and a storage device for performing the method

A storage device configured to be connected to a redundant array of inexpensive disk (RAID) controller includes a plurality of non-volatile memories. A memory controller is configured to control the plurality of non-volatile memories to store data distributed by the RAID controller based on a RAID configuration signal received from the RAID controller. The memory controller is configured to perform self-diagnosis on the plurality of non-volatile memories to determine whether at least one of the plurality of non-volatile memories has an uncorrectable error when a RAID configuration signal is deactivated.

Storage device performing self-diagnosis and storage system including the same

A storage device includes a nonvolatile memory device, and a storage controller configured to control the nonvolatile memory device. The storage controller includes: (i) a quality of experience (QoE) manager configured to schedule a request received from an external user equipment, based on storage device information and network information, and (ii) a software-defined networking (SDN) manager configured to set a network transfer path to the external user equipment, which is associated with video data corresponding to the request.

Storage devices, methods of operating storage devices, and streaming systems including storage devices

Disclosed is a storage device which communicates with a first external storage device and includes a deduplication manager. A method of operating the storage device includes broadcasting, by the deduplication manager, a first fingerprint of first data, receiving a first response corresponding to the first fingerprint from the first external storage device, determining, by the deduplication manager, whether a reference flag of the first response has a first value or a second value, updating, by the deduplication manager, first mapping information of a mapping table based on the first response, based on a determination that the reference flag of the first response has the first value, and performing, by the deduplication manager, deduplication of the first data, based on the first response, based on a determination that the reference flag of the first response has the first value.

Storage device having deduplication manager, method of operating the same, and method of operating storage system including the same

A storage device includes a memory device that stores data, a storage controller that stores a data stream including plural frames in the memory device based on a write request from a host, and a scaler that generates a mapping table in which, for each frame, one or more logical addresses assigned to the frame is mapped to a frame number assigned to the frame. For each frame included in the data stream, the scaler performs an operation of obtaining the one or more logical addresses assigned to the frame by referring to the mapping table and providing a batch read request to the storage controller to read all the one or more logical addresses assigned to the frame. The storage controller controls the memory device to perform a read operation on a memory area corresponding to the one or more logical addresses based on the batch read request.

Storage device

A computational storage device includes a control module, and a nonvolatile memory connected to the control module. The nonvolatile memory is configured to store a plurality of graph data elements, which comprises a plurality of nodes and a plurality of edges that connect at least a portion of the plurality of nodes to each other, in a first memory area and a second memory area each having a plurality of blocks and having different read speeds. The control module is configured to store a first graph data element of the plurality of graph data elements having a relatively high degree of association with one node of the plurality of nodes in the first memory area, and store a second graph data element of the plurality of graph data elements having a relatively low degree of association with the one node of the plurality of nodes in the second memory area.

Computational storage device, storage system including the same and operation method therefor

In a method of writing data in a storage device, a data write request is received from a host device. Spatial information is received from a spatial sensor included in the storage device based on the data write request. A logical storage area management table is updated based on the data write request and the spatial information such that target data to be stored is written into a target storage area corresponding to the spatial information among a plurality of logical storage areas. A program command and the target data are transmitted to a nonvolatile memory such that the target data is programmed into a physical storage area in the nonvolatile memory corresponding to the target storage area.

Method of writing data in storage device and method of reading data from storage device using sensor information, storage device performing the same and method of operating storage device using the same

A virtualized system includes a nonvolatile memory device, a processing circuitry configured to provide a virtualization environment, implement a plurality of virtual units and implement a virtual unit manager. The virtual units operate independently of each other in the virtualization environment and perform a flash translation layer operation inside the virtual units. The flash translation layer operation includes converting a logical block address associated with a storage access operation of the nonvolatile memory device to a physical block address of the nonvolatile memory device. The virtual unit manager controls the virtual units in the virtualization environment.

Virtualized system and method of controlling access to nonvolatile memory device in virtualization environment

A storage device includes a nonvolatile memory device (NVM) and a storage controller. The NVM includes a first region configured to store user data and a second region not allocated to a user. The storage controller is configured to be connected with a host device through both a first-type bus and a second-type bus different from the first-type bus. The storage controller is configured to receive a first and second request from the host device through the first-type bus. In response to the first request, the storage controller is configured to perform an operation on the NVM. In response to the second request, the storage controller is configured to store first data associated with the storage device in the second region and access the second-type bus to obtain second data of at least one external device obtained by the host device and store the second data in the second region.

Storage devices configured to obtain data of external devices for debugging

A method for use in an electronic device includes: receiving, from a server, beacon information including a first function information. The first function information is associated with a first function, and the first function is executed in response to detecting that a beacon signal that is received from a beacon transmitter matches beacon information.

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Gyeonggi-do, South Korea

Dongouk Moon