Samsung Electronics Assigned Sixteen Patents

VM-aware FTL design for SR-IOV NVME SSD
Samsung Electronics Co., Ltd., Suwon-si, Korea, has been assigned a patent (10,235,198) developed by Qiu, Sheng, San Jose, CA, and Ki, Yang Seok, Palo Alto, CA, for a “VM-aware FTL design for SR-IOV NVME SSD.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A mass storage device for providing persistent storage. The system includes a plurality of instances of virtual flash translation layers, each associated with a namespace and configured to provide, to one or more virtual machines executing in a host connected to the mass storage device, access to read and write operations in the persistent storage.”

The patent application was filed on April 19, 2016 (15/133,187).

Nonvolatile memory storage
Samsung Electronics Co., Ltd., Suwon-si, Korea, has been assigned a patent (10,229,749) developed by Oh, Eun Chu, KR, Yoon, Pilsang, Hwaseong-si, Korea, Kong, Jun Jin, Yongin-si, Korea, Son, Hong Rak, Anyang-si, Korea, and Jin, Dongsup, Seoul, Korea, for a “nonvolatile memory storage system.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A nonvolatile memory storage system includes a plurality of memory cells and a memory controller configured to transmit a read command to a nonvolatile memory device based on a plurality of read voltages. The nonvolatile memory device performs a first read operation on a first level among the N levels based on a first read voltage among the plurality of read voltages, counts the number of on-cells that respond to the first read voltage among the plurality of memory cells, and adjusts a level of a second read voltage to be used to perform a second read operation on the first level or a second level among the N levels among the plurality of read voltages according to a comparison result of the counted number of on-cells and the number of reference cells.”

The patent application was filed on March 31, 2017 (15/475,670).

Storage device including nonvolatile memory device and controller
Samsung Electronics Co., Ltd., Suwon-si, Korea, has been assigned a patent (10,229,051) developed by Hwang, JooYoung, Suwon-si, Korea, Kim, Dong-Min, Hwaseong-si, Korea, Park, Younwon, Suwon-si, Korea, and Yoon, Songho, Yongsin-si, Korea, for a “storage device including nonvolatile memory device and controller, operating method of storage device, and method for accessing storage device.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”An operating method of a storage device that includes a nonvolatile memory device and a controller configured to control the nonvolatile memory device includes sending map data from the storage device to a host device, the map data mapping one or more of a plurality of physical addresses of the nonvolatile memory device to one or more of a plurality of logical addresses of the host device, receiving, at the storage device, a read request from the host device, if the read request includes a physical address, reading data from the nonvolatile memory device based on the included physical address, and if the read request does not include a physical address, translating a logical address of the read request into a first physical address, and reading data from the nonvolatile memory device based on the translated first physical address.”

The patent application was filed on December 28, 2016 (15/392,353).

Operating storage controller
Samsung Electronics Co., Ltd., Suwon-si, Korea, has been assigned a patent (10,229,050) developed by Choi, Hyun Jin, Seo, Dong-Young, Suwon-si, Korea, and Moon, Sang Kwon, Osan-si, Korea, for “method for operating storage controller and method for operating storage device including the same wherein garbage collection is performed responsive to free block unavailable during reuse.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A method of operating a storage controller, for controlling a garbage collection operation so that blocks included in a non-volatile memory satisfy reuse constraints, includes determining whether the number of free blocks among the blocks is smaller than a first reference value for triggering a garbage collection operation and performing the garbage collection operation on the blocks until the number of free blocks is equal to a second reference value larger than the first reference value according to a result of the determination.”

The patent application was filed on October 17, 2016 (15/295,575).

Storage device including nonvolatile memory device and controller
Samsung Electronics Co., Ltd., Suwon-si, Korea, has been assigned a patent (10,223,011) developed by Yim, Hyejin, Wonju-si, Korea, Lee, Jinyub, Kang, Kyung-Hwa, Seoul, Korea, Kim, Minseok, Kim, Minsu, Hwaseong-si, Korea, and Yun, Sung-Won, Suwon-si, Korea, for “storage device including nonvolatile memory device and controller and operating method of the storage device.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A storage device includes a nonvolatile memory device and a controller configured to generate a read command according to a request of an external host device and transmit the read command to the nonvolatile memory device. The nonvolatile memory device is configured to perform a read operation in response to the read command, to output read data to the controller, and to store information of the read operation in an internal register.”

The patent application was filed on February 21, 2017 (15/438,644).

Providing zero contention parallel data stack
Samsung Electronics Co., Ltd., Suwon-si, Korea, has been assigned a patent (10,222,995) developed by Jakkula, Vijaya Kumar, San Jose, CA, and Gollapudi, Venkata Bhanu Prakash, Santa Clara, CA, for “system and method for providing a zero contention parallel data stack.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”According to one embodiment, a method includes: assigning a target port to a control path thread of an application to access data stored in a storage device of a data storage system, creating a storage device path corresponding to the target port, running the data path thread to access the data stored in the storage device, and running a control path thread to process a management work request to operate on one of objects including the target port, the storage device path, and the storage device. The control path thread is configured to send the management work request to the data path thread asynchronously. The data path thread is configured to complete the management work request and send a management work request completion response to the control path thread asynchronously.”

The patent application was filed on August 23, 2016 (15/244,891).

Data storage device for increasing lifetime and RAID
Samsung Electronics Co., Ltd., Suwon-si, Korea, has been assigned a patent (10,216,578) developed by Lee, Ju Pyung, Incheon, Korea, for “data storage device for increasing lifetime and RAID system including the same.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A data storage device includes a nonvolatile memory arranged in drives and stripes, a buffer storing state information for each of the stripes, and a memory controller including a redundant array of independent disks, (RAID) controller that operates in a spare region mode and performs data recovery using garbage collection based on the state information. The state information includes a first state indicating that none of the drives has malfunctioned, a second state indicating one of the drives has malfunctioned, and a third state indicating that data/parity stored in a malfunctioning drive has been recovered.”

The patent application was filed on October 5, 2016 (15/285,588).

Storage device including nonvolatile memory
Samsung Electronics Co., Ltd., Suwon-si, Korea, has been assigned a patent (10,216,422) developed by Kim, Chanha, Hwaseong-si, Korea, Oh, Hyunkyo, Kim, Oak-Ha, Yongin-si, Korea, Ro, Seungkyung, Anyang-si, Korea, Baek, Jong-Nam, Hwaseong-si, Korea, Lee, Donggi, Yongin-si, Korea, Lee, Jinwook, Seoul, Korea, and Lee, Heewon, Suwon-si, Korea, for a “storage device including nonvolatile memory device and access method for nonvolatile memory device.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A storage device includes a nonvolatile memory device, a buffer memory, a controller and a neuromorphic chip. The neuromorphic chip is configured to generate an access classifier based on the access result information and the access environment information. The controller is configured to perform first accesses to the nonvolatile memory device using the buffer memory and to collects the access result information and the access environment information of the first accesses in the buffer memory. The controller is configured to perform a second access of the nonvolatile memory device using the buffer memory. The controller is configured to obtain a prediction result of access parameters associated with the second access by using access environment information associated with the second access and the access classifier.”

The patent application was filed on June 27, 2017 (15/634,100).

Operating storage device using serial interface
Samsung Electronics Co., Ltd., Suwon-si, Korea, has been assigned a patent (10,216,421) developed by Lee, Young Min, and Seo, Sung Ho, Seoul, Korea, for “method of operating storage device using serial interface and method of operating data processing system including the same.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A method of operating a storage device, which communicates with a host using a serial interface to reduce power consumption, includes counting fillers transmitted from a physical layer, (PHY) transmission module of the host to generate a count value, comparing the count value with a reference value, and cutting off power to a PHY phase locked loop, (PLL) circuit of the storage device according to a comparison result.”

The patent application was filed on December 12, 2016 (15/375,963).

Data storage device having internal hardware filter
Samsung Electronics Co., Ltd., Suwon-si, Korea, has been assigned a patent (10,210,196) developed by Kim, Kwang Hoon, Seoul, Korea, Seo, Man Keun, Hwaseong-si, Korea, and Jeong, Sang Kyoo, Seoul, Korea, for “data storage device having internal hardware filter, data storage method and data storage system.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”An all-in-one data storage device includes a secondary memory providing read data in response to a read command, an internal hardware filter that filters the first read data according to filtering condition data in order to output filtered data, a primary memory, a host controller, and a memory controller that stores the filtered data in the primary memory and thereafter communicates the filtered data to the host controller.”

The patent application was filed on November 5, 2014 (14/533,672).

Supporting multi-path and/or multi-mode NMVe over fabrics devices
Samsung Electronics Co., Ltd., Suwon-si, Korea, has been assigned a patent (10,210,123) developed by Olarig, Sompong Paul, Pleasanton, CA, Worley, Fred, San Jose, CA, and Pham, Son, San Ramon, CA, for “system and method for supporting multi-path and/or multi-mode NMVe over fabrics devices.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A system includes a fabric switch including a motherboard, a baseboard management controller, BMC, a network switch configured to transport network signals, and a PCIe switch configured to transport PCIe signals, a midplane, and a plurality of device ports. Each of the plurality of device ports is configured to connect a storage device to the motherboard of the fabric switch over the midplane and carry the network signals and the PCIe signals over the midplane. The storage device is configurable in multiple modes based a protocol established over a fabric connection between the system and the storage device.”

The patent application was filed on January 10, 2017 (15/403,088).

SSD driven system level thermal management
Samsung Electronics Co., Ltd., Suwon-si, Korea, has been assigned a patent (10,209,750) developed by Marripudi, Gunneswara R., Fremont, CA, Yagaty, Ajit, Santa Clara, CA, Varanasi, Subramanyam, San Francisco, CA, and Suhas,, San Jose, CA, for a “SSD driven system level thermal management.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A storage device capable of providing instructions to modify a cooling system in support of its own operations is described. The storage device may include data storage to store data. The storage device may also include one or more operation sensors to determine a change in the operating conditions of the storage device. Finally, the storage device may include a transmitter to transmit the change in the operation conditions of the storage device to a Thermal Management System, (TMS).”

The patent application was filed on June 21, 2016 (15/188,940).

Storage device for supporting virtual machine
Samsung Electronics Co., Ltd., Suwon-si, Korea, has been assigned a patent (10,203,912) developed by Jun, Byung-Hei, Seoul, Korea, and Shin, Dong-Kun, Suwon-si, Korea, for “storage device for supporting virtual machine, storage system including the storage device, and method of operating the same.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A storage device includes a non-volatile memory including a plurality of blocks, and a storage controller connected to the non-volatile memory and configured to schedule a requested task of one virtual machine of a plurality of virtual machines based on a workload contribution of the one virtual machine, the workload contribution indicating a ratio between a workload generated by the one virtual machine and a plurality of workloads generated by the plurality of virtual machines.”

The patent application was filed on July 22, 2016 (15/217,270).

Operating universal flash storage, (UFS) device
Samsung Electronics Co., Ltd., Suwon-si, Korea, has been assigned a patent (10,203,896) developed by Yoon, Song Ho, Yongin-si, Korea, Hur, Jeong, Gwangju, Korea, Lee, Jae Gyu, Suwon-si, Korea, Chang, Duck Hyun, Seoul, Korea, and Hwang, Joo Young, Suwon-si, Korea, for “method operating universal flash storage, UFS) device, method operating UFS host, and method operating system including both.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”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.”

The patent application was filed on June 28, 2016 (15/194,714).

Memory system including plurality of server nodes sharing storage array
Samsung Electronics Co., Ltd., Suwon-si, Korea, has been assigned a patent (10,200,462) developed by Lee, Ju-pyung, Incheon, Korea, for “memory system including plurality of server nodes sharing storage array and operating method of memory system.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”An operating method of a memory system including a storage array including a plurality of segments and a first server node and a second server node allocating and managing the plurality of segments includes: requesting, via the first server node, load information from the second server node before performing a memory operation, receiving, via the first server node, the load information from the second server node and comparing load information of the first server node with the load information of the second server node, performing, via the first server node, a load balancing operation, based on a comparison result, and performing, via the first server node, a segment dynamic allocation operation regarding the storage array, the segment dynamic allocation operation matching the load balancing operation.”

The patent application was filed on May 22, 2017 (15/601,171).

Two-headed switch including drive bay for fabric-attached devices
Samsung Electronics Co., Ltd., Suwon-si, Korea, has been assigned a patent (10,200,309) developed by Worley, Fred, San Jose, CA, and Olarig, Sompong Paul, Pleasanton, CA, for a “two-headed switch including a drive bay for fabric-attached devices.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A switch includes a chassis, a drive bay including a plurality of downlink switch ports that are configured to be connected to a plurality of storage devices, a plurality of uplink switch ports, and an embedded circuit for providing signal switching between the plurality of uplink switch ports and the plurality of downlink switch ports. The drive bay is disposed on a first side of the chassis, and the plurality of uplink switch ports are disposed on a second side of the chassis that is opposite to the first side of the chassis. The plurality of downlink switch ports is embedded in the drive bay.”

The patent application was filed on September 29, 2016 (15/280,842).