Huawei Assigned Eleven Patents

Magnetic storage and information storage
Huawei Technologies Co., Ltd., Shenzhen, China, has been assigned a patent (9,824,739) developed by Yang, Kai, Shanghai, China, Zhao, Junfeng, Wang, Yuangang, Shenzhen, China, Yang, Wei, Hangzhou, China, Lin, Yinyin, and Fu, Yarong, Shanghai, China, for a “magnetic storage apparatus and information storage method using same.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A magnetic storage apparatus is disclosed, and is configured to access data. The magnetic storage apparatus includes a magnetic storage track, a first write apparatus, a second write apparatus, and a drive apparatus. The first write apparatus and the second write apparatus are located at different positions on the magnetic storage track. The first write apparatus is configured to write first data ‘0’ or second data’1′. The second write apparatus is configured to write third data ‘2’ and fourth data ‘3’.”

The patent application was filed on January 13, 2017 (15/406,209).

Storage, recovery
Huawei Technologies Co., Ltd., Shenzhen, China, has been assigned a patent (9,823,970) developed by Wang, Daohui, Zhang, Feng, Shenzhen, China, Fan, Wei, Xi’an, China, Zhang, Zhile, and Zeng, Yongqiang, Shenzhen, China, for a “data storage method, data recovery method, related apparatus, and system.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A data recovery method to improve storage consistency of a distributed storage system includes: receiving a recovery message from a storage node after a fault recovery of the faulty storage node, obtaining N lost erasure coding, (EC) blocks of the faulty storage node through computation according to EC blocks stored by non-faulty storage nodes, sequentially sending N lost EC blocks to the faulty storage node for storage. In the process of sequentially sending the N lost EC blocks to the faulty storage node, when it is determined that for a first EC block that is to be stored by the faulty storage node, a second EC block having a same key value as the first EC block exists in the lost EC blocks, after the faulty storage node stores the second EC block, the first EC block is sent to the faulty storage node to store.”

The patent application was filed on May 23, 2017 (15/603,413).

Erasing data in flash memory
Huawei Technologies Co., Ltd., Shenzhen, China, has been assigned a patent (9,823,878) developed by Li, Yan, Chengdu, China, for a “method and apparatus for erasing data in flash memory.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A data erasing method and apparatus applied to a flash memory. The method includes receiving a data erasing instruction, where the data erasing instruction instructs to erase data or at least one data section of data sections corresponding to data, when the data erasing instruction instructs to erase the data, searching for recorded storage addresses of all the data sections corresponding to the data, and erasing all the data sections corresponding to the data according to the storage addresses that are found, and when the data erasing instruction instructs to erase the at least one data section of the data sections corresponding to the data, searching for a recorded storage address of the at least one data section, and erasing the at least one data section according to the storage address that is found. The data erasing method and apparatus may be used in an implementation technology of the flash memory.”

The patent application was filed on September 14, 2015 (14/852,968).

Transmission path
Huawei Technologies Co., Ltd., Shenzhen, China, has been assigned a patent (9,813,349) developed by You, Yong, and Wu, Xiyou, Shenzhen, China, for a “transmission path and data processing method for transmission path.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “The present invention provide a transmission path, including: an FD storage module, configured to receive and store an FD, a calculating module, configured to determine, according to a length value of the first frame stored in the FD storage module, a volume of data stored in the transmission path, a determining module, configured to determine whether the volume of the data stored in the transmission path determined by the calculating module is greater than a preset data volume threshold, and an instructing module, configured to send a backpressure signal to the TM module when the determining module determines that the volume of the data stored in the transmission path is greater than the preset data volume threshold, where the backpressure signal is used to instruct the TM module to stop sending an FD of the second frame to the transmission path.”

The patent application was filed on June 11, 2015 (14/736,743).

Controller, and system for service flow control in object-based storage
Huawei Technologies Co., Ltd., Shenzhen, China, has been assigned a patent (9,804,981) developed by Tong, Yanqun, Chengdu, China, for a “method, controller, and system for service flow control in object-based storage system.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A method, a controller, and a system for service flow control in an object-based storage system are disclosed. The method is: receiving, by a controller, a first object IO request, acquiring a processing quantity threshold and a to-be-processed quantity, if the to-be-processed quantity is less than the processing quantity threshold, sending the first object IO request to a storage device client, and updating the to-be-processed quantity, receiving a first response message replied by the storage device client for the first object IO request, where the first response message carries a processing result of the first object IO request, and adjusting the processing quantity threshold according to a received processing result of an object IO request when a preset condition is met. The storage device is not overloaded with object IO requests and can use all resources to effectively, thereby improving performance and a success rate of the object-based storage system.”

The patent application was filed on April 18, 2017 (15/490,118).

Controller, flash memory, for identifying data block stability
Huawei Technologies Co., Ltd., Shenzhen, China, has been assigned a patent (9,772,790) developed by Wu, Liming, Huang, Bin, and Zhao, Wan, Chengdu, China, for a “controller, flash memory apparatus, method for identifying data block stability, and method for storing data in flash memory apparatus.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “In a method for controlling data stored in an Solid State Disk, (SSD) of a data de-duplication system, a storage controller obtains stability information of a data block. The stability information comprises a reference count of the data block and a length of a period of time when the data block is stored in the SSD. The storage controller identifies a stability level of the data block according to the stability information, and sends the stability level of the data block to the SSD. The SSD moves the data block to a target block which corresponds to the stability level. Thereby, the SSD can store data blocks having a same stability level together.”

The patent application was filed on March 30, 2016 (15/085,831).

Operating logical operation array of resistive random access memory
Huawei Technologies Co., Ltd., Shenzhen, China, has been assigned a patent (9,767,900) developed by Miao, Xiangshui, Li, Yi, Zhou, Yaxiong, Wuhan, China, Xu, Ronggang, Zhao, Junfeng, and Wei, Zhulin, Shenzhen, China, for a “method, apparatus and device for operating logical operation array of resistive random access memory.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A logical operation array of a resistive random access memory includes at least one logical operation unit, each logical operation unit includes multiple resistive random access memories, multiple field effect transistor switches and a voltage converter. The logical operation array is set for performing logical operation and enable to storage output level signal in one resistive random access memory after the logical operation.”

The patent application was filed on September 15, 2016 (15/266,367).

Storage system
Huawei Technologies Co., Ltd., Shenzhen, China, has been assigned a patent (9,753,941) developed by Li, Sheng, and Yi, Yongjiang, Chengdu, China, for a “storage system and method for processing data operation request.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A storage system and a method for processing a data operation request are disclosed. The method is applied to a storage system that has a write once read many, (WORM) function. In the method, after the storage system receives a data operation request, which is used to change data stored in the storage system, sent by an application server, the storage system acquires a time difference between a real-time clock, (RTC) and a reference clock, wherein the RTC is configured to provide system time for the storage system, and the reference clock cannot be modified when the system is running. Then, the storage system determines whether the time difference is greater than an accumulated time precision error of the reference clock, and refuses to execute the data operation request when the time difference is greater than the accumulated time precision error.”

The patent application was filed on June 29, 2015 (14/753,280).

Storage system, processing multi-layer protocol encapsulation or decapsulation operation requests
Huawei Technologies Co., Ltd., Shenzhen, China, has been assigned a patent (9,753,650) developed by Chang, Sheng, Hou, Xinyu, and Guo, Haitao, Hangzhou, China, for a “storage system, method, and apparatus for processing multi-layer protocol encapsulation or decapsulation operation requests.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “According to a storage system, method, and apparatus for processing an operation request provided by embodiments of the present invention, a controller directly encapsulates a SCSI protocol operation request into an Ethernet operation request packet at the MAC layer instead of using the TCP/IP protocol layer and a disk enclosure decapsulates the Ethernet operation request to obtain the SCSI protocol operation request and sends the SCSI protocol operation request to a target disk, thereby reducing layers of encapsulation, reducing a processing delay of the storage system, and improving performance of the storage system.”

The patent application was filed on June 2, 2015 (14/728,178).

Controller for managing storage array
Huawei Technologies Co., Ltd., Shenzhen, China, has been assigned a patent (9,747,050) developed by Gong, Tao, Chengdu, China, for a “method, apparatus, and controller for managing storage array.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A method and a controller for managing a storage array is presented. The storage array is divided into a first subset of storage devices and a second subset of storage devices according to degrees of wear of storage devices, such that a degree of wear of each of storage device in the first subset is greater than or equal to a degree of wear of any storage device in the second subset, and then, to-be-written data are written into the physical storage devices in the first subset. Therefore, service lives of storage devices in the second subset may be extended relatively by shortening service lives of storage devices in the first subset.”

The patent application was filed on February 6, 2017 (15/425,165).

Write apparatus and magnetic memory
Huawei Technologies Co., Ltd., Shenzhen, China, has been assigned a patent (9,741,418) developed by Fu, Yarong, Shanghai, China, Zhao, Junfeng, Wang, Yuangang, Shenzhen, China, Yang, Wei, Hangzhou, China, Lin, Yinyin, and Yang, Kai, Shanghai, China, for a “write apparatus and magnetic memory.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A write apparatus and a magnetic memory, where the write apparatus includes a first drive port, a second drive port, a first information storage area, a second information storage area, and an information buffer. A first area locates between the first information storage area and the information buffer. A second area locates between the second information storage area and the information buffer. The first information storage area, the second information storage area, and the information buffer are made of a first magnetic material. The first area and the second area are made of a second magnetic material. Magnetic energy of the first magnetic material is higher than magnetic energy of the second magnetic material. The write apparatus can ensure write stability of the magnetic memory.”

The patent application was filed on October 25, 2016 (15/333,235).