公开(公告)号：US20230004303A1

公开(公告)日：2023-01-05

申请号：US17408031

申请日：2021-08-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jing YANG ,  Jingpei YANG ,  Rekha PITCHUMANI ,  Sungwook RYU

IPC: G06F3/06

Abstract: A storage device includes non-volatile memory, a storage controller including a first controller processor connected to the non-volatile memory, and a second controller processor connected to the non-volatile memory, and shared memory to store a mapping table. The shared memory may be connected to the first controller processor and the second controller processor to share mapping table information between the first controller processor and the second controller processor. The storage controller may set a power mode of the first controller processor and the second controller processor based on an input/output intensity.

公开(公告)号：US20220164111A1

公开(公告)日：2022-05-26

申请号：US17120068

申请日：2020-12-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jingpei YANG ,  Jing YANG ,  Rekha PITCHUMANI ,  YangSeok Ki

IPC: G06F3/06

Abstract: A multi-stream solid-state device (SSD) includes a normal-access memory associated with a first stream ID, a high-access memory having a higher endurance than the normal-access memory and being associated with a second stream ID, a controller processor, and a processor memory coupled to the controller processor, wherein the processor memory has stored thereon instructions that, when executed by the controller processor, cause the controller processor to perform identifying a data stream ID of an input data stream as one of the first and second stream IDs, in response to identifying the data stream ID as the first stream ID, storing the input data stream in the normal-access memory, and in response to identifying the data stream ID as the second stream ID, storing the input data stream in the high-access memory.

公开(公告)号：US20170228157A1

公开(公告)日：2017-08-10

申请号：US15499877

申请日：2017-04-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jingpei YANG ,  Changho CHOI ,  Rajinikanth PANDURANGAN ,  Vijay BALAKRISHNAN ,  Ramaraj PANDIAN

IPC: G06F3/06

CPC classification number: G06F3/061 ,  G06F3/0611 ,  G06F3/0655 ,  G06F3/0659 ,  G06F3/0679 ,  G06F3/0688 ,  G06F12/0246 ,  G06F13/18 ,  G06F2212/1016 ,  G06F2212/1036 ,  G06F2212/7201 ,  G06F2212/7202 ,  G06F2212/7205

Abstract: A Solid State Drive (SSD) is disclosed. The SSD may include flash memory to store data and may support a plurality of device streams. A SSD controller may manage reading and writing data to the flash memory, and may store a submission queue and a chunk-to-stream mapper. A flash translation layer may include a receiver to receive a write command, an LBA mapper to map an LBA to a chunk identifier (ID), stream selection logic to select a stream ID based on the chunk ID, a stream ID adder to add the stream ID to the write command, a queuer to place the chunk ID in the submission queue, and background logic to update the chunk-to-stream mapper after the chunk ID is removed from the submission queue.

公开(公告)号：US20230042833A1

公开(公告)日：2023-02-09

申请号：US17973529

申请日：2022-10-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jason MARTINEAU ,  Changho CHOI ,  Rajinikanth PANDURANGAN ,  Jingpei YANG

IPC: G06F3/06

Abstract: A storage device is disclosed. The storage device may include storage to store data, which may include a first storage of a first type and a second storage of a second type. The storage device may support a number of device streams, some of which associated with the first storage and some associated with the second storage. The storage device may also include a streaming capabilities analyzer that may inventory the streaming capabilities for the storage device. Finally, the storage device may include a transmitter to transmit the streaming capabilities of the storage device to a storage manager.

公开(公告)号：US20220083231A1

公开(公告)日：2022-03-17

申请号：US17120098

申请日：2020-12-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jingpei YANG ,  Jing YANG ,  Rekha PITCHUMANI

IPC: G06F3/06 ,  G06F12/06 ,  G06F16/174

Abstract: A storage device is disclosed. The storage device may include storage for data. A host interface logic may receive a dataset and a logical address from a host. A stream assignment logic may assign a stream identifier (ID) to a compressed dataset based on a compression characteristic of the compressed dataset. The stream ID may be one of at least two stream IDs;
the compressed dataset may be determined based on the dataset. A logical-to-physical translation layer may map the logical address to a physical address in the storage. A controller may store the compressed dataset at the physical address using the stream ID.

公开(公告)号：US20200065239A1

公开(公告)日：2020-02-27

申请号：US16178569

申请日：2018-11-01

Applicant: Samsung Electronics Co., Ltd.

Inventor： Anahita SHAYESTEH ,  Jingpei YANG ,  Vijay BALAKRISHNAN

IPC: G06F12/02 ,  G06F3/06 ,  G06F17/30

Abstract: According to one general aspect, an apparatus may include a storage memory to store a plurality of key-value pairs. The apparatus may include at least one snapshot counter configured to store an operation number associated with a respective snapshot of the plurality of key-value pairs. The apparatus may include a snapshot data structure configured to identify, for at least one key-value pair, which, if any, snapshot(s) the respective key-value pair is associated with.

公开(公告)号：US20170344491A1

公开(公告)日：2017-11-30

申请号：US15389270

申请日：2016-12-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Rajinikanth PANDURANGAN ,  Changho CHOI ,  Jingpei YANG

IPC: G06F12/1009

CPC classification number: G06F12/1009 ,  G06F3/0616 ,  G06F3/0643 ,  G06F3/0679 ,  G06F12/0246 ,  G06F2212/7201 ,  G06F2212/7204 ,  G06F2212/7205

Abstract: Embodiments include a multi-stream storage device, a system including a multi-stream storage device, and a method, comprising: receiving an access to a multi-stream storage device; converting at least one parameter of the access into a stream identifier; and accessing the multi-stream storage device using the stream identifier.

公开(公告)号：US20170344470A1

公开(公告)日：2017-11-30

申请号：US15230347

申请日：2016-08-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jingpei YANG ,  Changho CHOI ,  Rajinikanth PANDURANGAN

IPC: G06F12/02

CPC classification number: G06F12/0246 ,  G06F3/06 ,  G06F2212/7201

Abstract: Embodiments include a multi-stream storage device, a system including a multi-stream storage device, and a method, comprising: receiving an access to a logical address associated with a multi-stream storage device; converting the logical address into a stream identifier; and accessing the multi-stream storage device using the logical address and the stream identifier.