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1. 发明申请

US20230133604A1 METHOD FOR CONTROLLING BW SLA IN NVMe oF ETHERNET SSD STORAGE SYSTEM 有权
公开(公告)号：US20230133604A1
公开(公告)日：2023-05-04
申请号：US18092432
申请日：2023-01-02
申请人： Samsung Electronics Co., Ltd.
发明人： Ramdas P. KACHARE , Sompong Paul OLARIG , Son T. PHAM
IPC分类号： G06F3/06 , H04L41/0896 , G06F13/40 , G06F13/42 , H04L41/0893
摘要： An Ethernet solid-state drive (eSSD) system includes a plurality of eSSDs, an Ethernet switch and a baseboard management controller. The Ethernet switch is coupled to each of the eSSDs, and the baseboard management controller is coupled to the each of the eSSDs and to the Ethernet switch. The baseboard management controller controls the Ethernet switch to provide to each eSSD a corresponding predetermined bandwidth that is based on bandwidth information for the eSSD that is stored in a policy table of the baseboard management controller. The at least one predetermined bandwidth may include a predetermined ingress bandwidth and a predetermined egress bandwidth for the corresponding eSSD. The at least one predetermined bandwidth may be based on a service level associated with the corresponding eSSD, and may be adaptively based on operating parameters of the corresponding eSSD.

2. 发明申请

US20220365707A1 SYSTEM AND METHOD FOR FINE GRANULAR RETENTION CONTROL IN STORAGE DEVICES 有权
公开(公告)号：US20220365707A1
公开(公告)日：2022-11-17
申请号：US17366017
申请日：2021-07-01
申请人： Samsung Electronics Co., Ltd.
发明人： Ramdas P. KACHARE , Dongwan ZHAO
IPC分类号： G06F3/06
摘要： A storage device is disclosed. The storage device may include a host interface to receive a write request from a host, the write request may include a data and a logical address of the data. The storage device may further include a first storage for the data. The storage device may further include a retention period determiner to determine a retention period for the data. The storage device may further include a translation layer to select a physical address in the first storage to store the data based at least in part on the retention period. The storage device may further include a second storage for a logical-to-physical mapping table to map the logical address to the physical address and the retention period. Finally, the storage device may include a controller to program the data into the physical address in the first storage.

3. 发明申请

US20190317901A1 SYSTEM AND METHOD FOR OPTIMIZING PERFORMANCE OF A SOLID-STATE DRIVE USING A DEEP NEURAL NETWORK 审中-公开
公开(公告)号：US20190317901A1
公开(公告)日：2019-10-17
申请号：US16012470
申请日：2018-06-19
申请人： Samsung Electronics Co., Ltd.
发明人： Ramdas P. KACHARE , Sompong Paul OLARIG , Vikas SINHA , Zvika GUZ
IPC分类号： G06F12/1009 , G06F12/02 , G06F12/109 , G06F3/06
摘要： A controller of a data storage device includes: a host interface providing an interface to a host computer; a flash translation layer (FTL) translating a logical block address (LBA) to a physical block address (PBA) associated with an input/output (I/O) request; a flash interface providing an interface to flash media to access data stored on the flash media; and one or more deep neural network (DNN) modules for predicting an I/O access pattern of the host computer. The one or more DNN modules provide one or more prediction outputs to the FTL that are associated with one or more past I/O requests and a current I/O request received from the host computer, and the one or more prediction outputs include at least one predicted I/O request following the current I/O request. The FTL prefetches data stored in the flash media that is associated with the at least one predicted I/O request.

4. 发明申请

US20180292992A1 SYSTEM AND METHOD FOR IDENTIFYING SSDS WITH LOWEST TAIL LATENCIES 审中-公开
公开(公告)号：US20180292992A1
公开(公告)日：2018-10-11
申请号：US15653479
申请日：2017-07-18
申请人： Samsung Electronics Co., Ltd.
发明人： Ramdas P. KACHARE , Sompong Paul OLARIG , Wentao WU
IPC分类号： G06F3/06 , G06F11/34
摘要： A storage device is disclosed. The storage device may include storage to store data and a controller to manage reading data from and writing data to the storage. The controller may also include a receiver to receive a plurality of requests, information determination logic to determine information about the plurality of requests, storage for the information about a plurality of requests, and sharing logic to share the information with a management controller.

5. 发明申请

US20220291843A1 SYSTEMS, METHODS, AND DEVICES FOR DATA STORAGE WITH SPECIFIED DATA TRANSFER RATE 有权
公开(公告)号：US20220291843A1
公开(公告)日：2022-09-15
申请号：US17308991
申请日：2021-05-05
申请人： Samsung Electronics Co., Ltd.
发明人： Ramdas P. KACHARE , Sungwook RYU
IPC分类号： G06F3/06
摘要： A method may include receiving, at a storage device, a command for a data transfer between the storage device and a host, determining a specified data rate for the data transfer, and performing the data transfer between the storage device and the host based on the command, wherein the storage device may control the data transfer based on the specified data rate. The data transfer may include a peak portion and an idle portion. The method may further include controlling, at the storage device, a peak portion and an idle portion of the data transfer based on the specified data rate. The method may further include controlling, at the storage device, the data transfer based on a peak burst size. The specified data rate may be received from the host and/or determined by the storage device by monitoring one or more parameters of a data transfer.

6. 发明申请

US20220255991A1 METHODS AND APPARATUS FOR PEER-TO-PEER DATA CHANNELS FOR STORAGE DEVICES 有权
公开(公告)号：US20220255991A1
公开(公告)日：2022-08-11
申请号：US17728969
申请日：2022-04-25
申请人： Samsung Electronics Co., Ltd.
发明人： Ramdas P. KACHARE , Sompong Paul OLARIG , Matthew Shaun BRYSON
IPC分类号： H04L67/1042 , H04L41/0813 , H04L45/02 , H04L67/104 , G06F3/06 , H04L47/10 , G06F13/40 , H04L67/1097
摘要： A method may include transferring data between a host and a first storage device through a first storage interface, transferring data between the host and a second storage device through a second storage interface, and transferring data between the first storage device and the second storage device through a peer-to-peer channel. A storage system may include a host interface, a first storage device having a first storage interface coupled to the host interface, a second storage device having a second storage interface coupled to the host interface, and a peer-to-peer bus coupled between the first and second storage devices. A storage device may include a storage medium, a storage device controller coupled to the storage medium, a storage interface coupled to the storage device controller, and a peer-to-peer interface coupled to the storage device controller.

7. 发明申请

US20220236902A1 SYSTEMS AND METHODS FOR DATA TRANSFER FOR COMPUTATIONAL STORAGE DEVICES 有权
公开(公告)号：US20220236902A1
公开(公告)日：2022-07-28
申请号：US17495810
申请日：2021-10-06
申请人： Samsung Electronics Co., Ltd.
发明人： Oscar P. PINTO , Ramdas P. KACHARE
IPC分类号： G06F3/06 , G06F9/54
摘要： Provided are systems, methods, and apparatuses for managing memory. The method can include: establishing a connection via an interface, between a host device and a storage device; and transferring data, via the interface, between first memory associated with the host device and second memory associated with the storage device by performing a data operation on the second memory by an application executed by the host, where the storage device includes a processing element that accelerates the data operation by performing at least one offload function on the data operation.

8. 发明申请

US20210263762A1 STORAGE DEVICE-ASSISTED LIVE VIRTUAL MACHINE MIGRATION 有权
公开(公告)号：US20210263762A1
公开(公告)日：2021-08-26
申请号：US17006773
申请日：2020-08-28
申请人： Samsung Electronics Co., Ltd.
发明人： Ramdas P. KACHARE , Oscar P. PINTO , Yang seok KI
IPC分类号： G06F9/455 , G06F3/06 , G06F12/0862
摘要： A storage device is disclosed. The storage device may include at least one controller for a virtual machine (VM) that is on a source host. Storage in the storage device may store data for the VM. A second storage may store a storage state for the VM. A storage device controller may process at least one read request received from the controller for the VM using the first storage and at least one write request received from the controller for the VM using the first storage. A VM migration state monitor and capture module may assist in the migration of the VM from the source host to a destination host.

9. 发明申请

US20190272242A1 NOVEL SSD ARCHITECTURE FOR FPGA BASED ACCELERATION 审中-公开
公开(公告)号：US20190272242A1
公开(公告)日：2019-09-05
申请号：US16124183
申请日：2018-09-06
申请人： Samsung Electronics Co., Ltd.
发明人： Ramdas P. KACHARE , Fred WORLEY
IPC分类号： G06F13/16 , G06F13/42
摘要： A system is disclosed. The system may include a processor running an application program and a memory storing data being used by the application program. An upstream port enables communication with the processor; a downstream port enables communication with a storage device. The system may also include an acceleration module implemented using hardware and including an Acceleration Platform Manager (APM-F) to execute an acceleration instruction. The storage device may include an endpoint of the storage device for communicating with the acceleration module, a controller to manage operations of the storage device, storage for application data for the application program, and a storage device Acceleration Platform Manager (APM-S) to assist the APM-F in executing the acceleration instruction. A downstream filter associated with the downstream port may intercept an acceleration instruction associated with a downstream Filter Address Range (FAR) received from the storage device and deliver the acceleration instruction to the APM-F, the acceleration instruction being. The processor, the acceleration module, and the storage device may communicate via a Peripheral Component Interconnect Exchange (PCIe) bus. The acceleration module may support performing the acceleration instruction on the application data on the storage device for the application program without loading the application data into the memory.

10. 发明申请

US20190272240A1 NOVEL SSD ARCHITECTURE FOR FPGA BASED ACCELERATION 审中-公开
公开(公告)号：US20190272240A1
公开(公告)日：2019-09-05
申请号：US16122865
申请日：2018-09-05
申请人： Samsung Electronics Co., Ltd.
发明人： Ramdas P. KACHARE , Fred WORLEY , Harry ROGERS , Wentao WU , Nagarajan SUBRAMANIYAN
IPC分类号： G06F13/16 , G06F13/42 , G06F13/40
摘要： A system is disclosed. The system may include a processor running an application program and a memory storing data being used by the application program. An upstream interface enables communication with the processor; a downstream interface enables communication with a storage device. The system may also include an acceleration module implemented using hardware and including an Acceleration Platform Manager (APM-F) to execute an acceleration instruction. The storage device may include an endpoint of the storage device for communicating with the acceleration module, a controller to manage operations of the storage device, storage for application data for the application program, and a storage device Acceleration Platform Manager (APM-S) to assist the APM-F in executing the acceleration instruction. The processor, the acceleration module, and the storage device may communicate via a Peripheral Component Interconnect Exchange (PCIe) bus. The acceleration module may support performing the acceleration instruction on the application data on the storage device for the application program without loading the application data into the memory.

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