Samsung Electronics Co., Ltd.

Joo Young Hwang

Jae Young Choi

Chul Ju Lee

In Soon Jo

Kyung Ho Kim

Seok Hwan Kim

Chul Woo Lee

Hyuk Jae Lee

Jun Hee Kim

In Hwan Doh

Song Ho Yoon

Yong Hoon Kang

Jeong Hur

Dong Yang Lee

Yang Woo Roh

Hak Soo Yu

Young Joon Choi

Duck Hyun Chang

Sung Yong Seo

Byung Ki Lee

Keun San Park

Je Kyeom Jeon

Jae Yoon Choi

Jae Geuk Kim

Jae Gyu Lee

Min Chan Kim

A data processing system includes a host including a host memory storing file systems, each file system including file pages, and storage devices. Each storage device includes a memory device including memory blocks, and a memory controller dividing the memory blocks into superblocks, and controlling a memory operation of the memory device based on a result of dividing the memory blocks. The host requests a first storage device of the storage devices to write a first file page of a first file system of the file systems to a first memory block of the first storage device, and requests a second storage device of the storage devices to write a second file page of the first file system of the file systems to a first memory block of the second storage device. The first file system is configured in a RAID manner using at least some of the storage devices.

Storage device operating on zone basis and data processing system including the same

A storage device operated by zone and data processing system including the same are provided. A storage device comprises a memory device including a plurality of memory blocks including a plurality of memory cells connected to a plurality of gate lines, and a memory controller controlling the memory device, wherein memory cells of a first group among the plurality of memory cells include cells of a first type, memory cells other than the memory cells of the first group among the plurality of memory cells are defined as a second group, and the memory cells of the second group include cells of a second type different from the first type, the memory controller is configured to transmit size information of the memory cells of the first group so that the host programs data into the memory cells of the first group, and store an update of the data programmed in the memory cells of the first group with respect to the memory cells of the second group, and the host does not perform a plurality of write requests to the same address with respect to the memory cells of the first group more than twice.

Storage device operated by zone and data processing system including the same

A storage device includes a non-volatile memory that stores a first original data and a first parity data, a storage controller that receives a second original data that differs from the first original data from an external storage device, and receives the first parity data from the non-volatile memory, and a computational engine that receives and computes the first parity data and the second original data from the storage controller, and restores a third original data that differs from the first original data and the second original data, wherein the storage controller receives the third original data from the computational engine and transmits the third original data to the host and the external storage device.

Storage device, and host-storage system including the storage device

Provided is a storage device including a non-volatile memory including a first memory block and a second memory block different from the first memory block, and a memory controller configured to receive, from a host, a first write mode command corresponding to the first memory block and a second write mode command corresponding to the second memory block, control the first memory block to perform a first write operation according to the first write mode command, and control the second memory block to perform a second write operation according to the second write mode command, both the first write operation and the second write operation being sequential write operations.

Storage device with host-controlled operation mode, electronic system including the same, and method of operating the same

Provided are a semiconductor device and a semiconductor system. A semiconductor device includes a non-volatile memory; a device interface circuit which receives an input/output (I/O) request from a host; and a device controller which executes a data access according to the I/O request on the non-volatile memory, and transmits an interrupt to the host a predetermined time before completion of the data access.

Semiconductor device and semiconductor system

A solid state drive includes: a plurality of non-volatile memories, each of the non-volatile memories connected to a channel, the channel connected to at least one way connected to a die; a host interface which receives stream data and stream information from a host; and a resource allocator which allocates the stream data to super blocks of the plurality of non-volatile memories on the basis of the stream information. A super block includes a unit super block, and the unit super block includes a block of a first die corresponding to a first channel and connected to a plurality of the ways connected to the first channel. The stream data may include stream groups, and the stream information may include the number of streams included in a stream group. A performance factor of a stream or stream group an extent size of a stream, and an allocation position of the stream, may also be included in the stream information.

Solid state drive that allocates stream data to super blocks based on stream information and a memory allocation method thereof

A computing device includes a processor and a non-volatile dual in-line memory module (NVDIMM) connected to the processor. The NVDIMM includes a first memory having a first processing speed and a first storage capacity, a second memory having a second processing speed lower than the first processing speed and a second storage capacity larger than the first storage capacity, and a controller that evicts or fetches data between the first memory and the second memory. When the processor recognizes a first situation to evict data or a second situation to prefetch data, the processor transmits a command including first information of a logical address of data associated with the first situation or the second situation, second information of a length of the data associated with the first situation or the second situation, and third information indicating the first situation or the second situation to the NVDIMM.

Computing device and non-volatile dual in-line memory module that evict and prefetch data with respect to memories having different operating speeds

A method of operating a universal flash storage (UFS) device communicating with a UFS host via a link is provided. The method determines in the UFS device whether a warm reset of the link is necessary while the UFS device is communicating with the UFS host via the link. Upon determining that the warm reset of the link is necessary, the UFS device initiates the warm reset of the link.

Method operating universal flash storage (UFS) device, method operating UFS host, and method operating system including both

A swapping method performed using a data processing device, which includes a processor including a plurality of cores, the swapping method including searching for an empty page of a swap memory in response to the swap memory being connected to the data processing device, the search being performed by using at least one core of the plurality of cores, selecting a page to be swapped from a main memory of the data processing device, the selection being performed by using the at least one core by accessing a corresponding main memory list among a plurality of main memory lists, and swapping data of the page selected to be swapped to the empty page, the swapping being performed by using the at least one core.

Non-volatile memory device, a data processing device using the same, and a swapping method used by the data processing and non-volatile memory devices

A hybrid memory system includes a central processing unit, a storage device configured to store user data and code data, and a main memory including a volatile memory and a nonvolatile memory, the main memory being configured to receive data necessary to perform an operation of the central processing unit from the storage device and to store the data, a part of the volatile memory being allocated for a cache for data stored in the nonvolatile memory.

Hybrid memory system having a volatile memory with cache and method of managing the same

A memory device includes a hash table storing a hash value, a bit value, and a page address for each of a plurality of pages, a memory cell unit configured to store the pages and output contents corresponding to the page addresses of the pages having a same hash value, and a controller including a comparator configured to compare the contents output from the memory cell unit and change at least one bit value associated with a respective one of the pages upon determining that the contents of the pages are the same.

Memory device, computer system including the same, and operating methods thereof

A semiconductor memory device includes at least one memory bank including a plurality of memory cells and a self-refresh controller configured to generate a refresh address and to output a row address for a page to be refreshed based on the refresh address. The semiconductor memory device drives the at least one memory bank based on the row address and selectively refreshes pages in the at least one memory bank in response to the row address.

Semiconductor memory devices having self-refresh capability

A method of operating a file system in a host configured to store write data in a data storage device including a first region and a second region is disclosed, and includes; receiving a write data request for write data associated with a file, classifying the write data as hot data or cold data using file meta data for the file, and if the write data is classified as hot data, storing the write data in the first region, and otherwise if the write data is classified as cold data storing the write data in the second region.

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Suwon-si, South Korea

Joo Young Hwang