Huawei Technologies Assigned Sixteen Patents

Accessing SSD and storage device
Huawei Technologies Co., Ltd., Shenzhen, China, has been assigned a patent (12321635) developed by Li; Li, Shenzhen, China, , He; Yi, Chengdu, China, and Cheng; Tao, Shenzhen, China, for a “method for accessing solid state disk and storage device.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A method for accessing a solid state disk and a storage device are provided. The storage device includes a network interface card, a memory, and a solid state disk, the network interface card receives to-be-written data and a write command, where the write command instructs to write the to-be-written data to the solid state disk; the network interface card writes the to-be-written data to the memory, and writes the write command to a submission queue of the solid state disk. Then, the network interface card notifies the solid state disk that there is a to-be-executed command in the submission queue of the solid state disk, where the to-be-executed command is the write command. The solid state disk obtains the to-be-written data from the memory and writes the to-be-written data to a medium of the solid state disk according to the write command.”

The patent application was filed on 2022-03-29 (17/707021).

Performing memory operation and apparatus
Huawei Technologies Co., Ltd., Shenzhen, China, has been assigned a patent (12321606) developed by Zhang; Bin, Hangzhou, China, for “method for performing memory operation and apparatus.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A method for performing a memory operation and an apparatus are provided. The method for performing a memory operation includes: generating an operation command, where the operation command includes a universal flash storage protocol information unit UPIU frame header and an extension header segment EHS, where the EHS frame header includes a total length field of the EHS, the total length field of the EHS indicates that a length of the EHS is not 0, and the EHS indicates storage addresses respectively corresponding to a plurality of EHS operation commands; and sending the operation command to a universal flash storage UFS device controller.”

The patent application was filed on 2023-09-15 (18/468387).

Data migration method, host, and SSD
Huawei Technologies Co., Ltd., Shenzhen, China, has been assigned a patent (12321628) developed by Du; Ge, Xi’an, China, Hu; Yu, Shenzhen, China, and Hou; Jiancen, Chengdu, China, for “data migration method, host, and solid state disk.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A host of a storage system is coupled to multiple SSDs. Each SSD is configured with a migration cache, and each SSD corresponds to one piece of access information. The host obtains migration data information of to-be-migrated data in a source SSD, determines a target SSD, and sends a read instruction carrying information about to-be-migrated data and the target SSD to the source SSD. The source SSD reads a data block according to the read instruction from a flash memory of the source SSD into a migration cache of the target SSD. After a read instruction is completed by the SSD, the host sends a write instruction to the target SSD to instruct the target SSD to write the data block in the cache of the target SSD to a flash memory of the target SSD.”

The patent application was filed on 2024-04-15 (18/635269).

Data access
Huawei Technologies Co., Ltd., Shenzhen, China, has been assigned a patent (12314411) developed by Su; Jie, Hangzhou, China, Lin; Caicheng, Shenzhen, China, Qiu; Laibin, and Xu; Wei, Hangzhou, China, for “data access method and apparatus.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A data access method performed by a processing device is disclosed. The processing device manages a storage device based on a log-structured file system (LFS), where the processing device writes a target file to the storage device based on an out place update (OPU) mechanism; and the processing device writes file attribute information corresponding to the target file in the storage device to out of band (OOB) data of the storage device, to restore, after abnormal power-off, access to the target file by using the file attribute information stored in the OOB data. In this way, when writing the target file to the storage device, the processing device may write a file attribute corresponding to the target file to the OOB data, so that after abnormal power-off, access to the target file may be restored by using the file attribute information.”

The patent application was filed on 2022-10-20 (17/969889).

Data prefetch
Huawei Technologies Co., Ltd., Shenzhen, China, has been assigned a patent (12314180) developed by Wang; Haixin, Dong; Ruliang, Wu; Pei, Hangzhou, China, and Tu; Jianhong, Shenzhen, China, for “data prefetch method and apparatus, and device.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A data prefetch method includes before data is prefetched, a first data access request that is first obtained, and a data prefetch policy that is determined based on the first data access request and a data lifecycle such that a first data set stored in a second storage medium is stored into a first storage medium according to the data prefetch policy. The first data set includes at least one piece of data, the data prefetch policy includes at least a prefetch length, the data lifecycle indicates duration for storing data in the first storage medium, and a read/write access rate of the second storage medium is less than that of the first storage medium.”

The patent application was filed on 2023-06-29 (18/344417).

Data recovery in continuous data protection system
Huawei Technologies Co., Ltd., Shenzhen, China, has been assigned a patent (12321242) developed by Goodman; Daniel, Duer; Eddy, Shafran; Igor, Ofek; Itamar, Hirsch; Michael, and Tamari; Shaul, Hod Hasharon, Israel, for a “data recovery in a continuous data protection system.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “In a method for data recovery in a continuous data protection system, delta values representing an exclusive disjunction between successive values of data block contents of a content fragment of a dataset at a time t(n) and a time t(n−1) for n=1 to i, where i is selected according to a predetermined data protection profile, are generated. The delta values can be used to recover a dataset to a value at the selected point in time in association with a snapshot that is selected as a starting point for recovery based on a cost analysis associated with a volume of disk activity to restore.”

The patent application was filed on 2023-03-23 (18/188719).

Chassis and storage device
Huawei Technologies Co., Ltd., Shenzhen, China, has been assigned a patent (12289855) developed by Xu; Huahua, Chen; Zehong, Dongguan, China, Gong; Xinhu, Shenzhen, China, and Wang; Songlin, Dongguan, China, for “chassis and storage device.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A chassis for a storage device includes a chassis body and an installation frame slidably installed in the chassis body by using a sliding assembly. The installation frame is configured to slide out from two ends of the chassis body. The sliding assembly includes a first sliding rail, a second sliding rail, and a first limiting assembly. The first sliding rail is fastened to the chassis body, the second sliding rail is fastened to the installation frame, and the first sliding rail and the second sliding rail are slidably assembled. The first limiting assembly includes a first clamping part and a second clamping part that fit with each other. A first drive component drives the first clamping part to be clamped with the second clamping part, and a second drive component drives the first clamping part to be detached from the second clamping part.”

The patent application was filed on 2022-11-15 (17/987103).

Data management apparatus, data management method, and data storage device
Huawei Technologies Co., Ltd., Shenzhen, China, has been assigned a patent (12282659) developed by Zhu; Xiaoming, Shanghai, China, for “data management apparatus, data management method, and data storage device.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A data management apparatus, a data management method, and a data storage device are provided. The data management apparatus includes a management unit and a data migration unit. The management unit manages data transmission channels between two types of storage media with different transmission performance. Then, the data migration unit migrates data between the two types of storage media through the managed data transmission channels. In this way, the data management apparatus can directly migrate data between storage media with different transmission performance, and a CPU in a system does not need to perform processing such as instruction conversion and protocol conversion, so that a delay of performing the foregoing processing by the CPU can be shortened. In addition, because the CPU does not need to perform data migration, resource overheads of the CPU can be reduced.”

The patent application was filed on 2022-10-04 (17/959861).

Client devices and storage server for selective storing of data
Huawei Technologies Co., Ltd., Shenzhen, China, has been assigned a patent (12271397) developed by Shemer; Eli, and Akirav; Shay, Bnei Berak, Israel, for “client devices and data storage server for selective storing of data.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A client device for storing a data set in a database is provided. The data set includes a plurality of initial data elements. The client device is configured to determine a storage location of the database for each initial data element and to obtain storage location configuration information based on the storage location. The client device is further configured to process, based on the storage location configuration information, each initial data element of a first subset of the plurality of initial data elements into a processed data element using one or more data processing operations and to transmit a modified data set to a data storage server for storing the modified data set in the database, wherein the modified data set comprises the processed data elements in the first subset and unprocessed initial data elements in a second subset which is complementary to the first subset.”

The patent application was filed on 2023-02-21 (18/172118).

Data reduction
Huawei Technologies Co., Ltd., Shenzhen, China, has been assigned a patent (12271591) developed by Xing; Hui, Shanghai, China, and Huang; Zengshi, Shenzhen, China, for “data reduction method and apparatus.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A data reduction method and apparatus are provided to improve data reduction performance. In the method a storage device obtains a first service type of first data stored in a first logical unit. The storage device processes the first data based on a first data reduction manner that matches the first service type. The storage device obtains a second service type of second data stored in a second logical unit. The second service type is different from the first service type. The storage device processes the second data based on a second data reduction manner that matches the second service type. The first data reduction manner includes data compression and/or data deduplication. The second data reduction manner includes data compression and/or data deduplication. The first data reduction manner is different from the second data reduction manner.”

The patent application was filed on 2023-01-05 (18/150420).

Data storage method and apparatus
Huawei Technologies Co., Ltd., Shenzhen, China, has been assigned a patent (12271594) developed by Pu; Guiyou, Chengdu, China, for “data storage method and apparatus.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A data storage method and apparatus are provided. The method includes: obtaining running parameters of a plurality of hard disks, where the running parameters of the plurality of hard disks comprise information for measuring individual differences of the plurality of hard disks in performance; selecting at least one target hard disk based on the running parameters of the plurality of hard disks; and writing data into the target hard disk.”

The patent application was filed on 2023-05-15 (18/317427).

Capacity adjustment method and related apparatus
Huawei Technologies Co., Ltd., Shenzhen, China, has been assigned a patent (12271609) developed by Huang; Zengshi, and Pan; Hao, Shenzhen, China, for “capacity adjustment method and related apparatus.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A capacity adjustment method applied to a storage system and a related apparatus are provided. The method includes: analyzing cold and hot attributes of data stored in the storage system, to obtain an amount of hot data and an amount of cold data in the data; determining, based on the amount of hot data and the amount of cold data, a capacity of a cache required by the storage system and a capacity of a persistent storage required by the storage system, where the cache required by the storage system comes from a first storage medium set, and the persistent storage required by the storage system comes from a second storage medium set; and adjusting, based on the capacity of the cache and the capacity of the persistent storage, a purpose of a storage medium comprised in the storage system.”

The patent application was filed on 2023-07-19 (18/355233).

Storing data to data storage for variable size deduplication
Huawei Technologies Co., Ltd., Shenzhen, China, has been assigned a patent (12265504) developed by Natanzon; Assaf, Hod Hasharon, Israel, for “method and system of storing data to data storage for variable size deduplication.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A method of storing data to a data storage and related device are provided, wherein data storage is divided into two or more variable size chunks, and each variable size chunks is divided into blocks, and the data storage comprises set of metadata. The data storage is also divided into two fixed size chunks. The method comprises: writing incoming write IO to a position of the corresponding size chunk in the data storage; setting the change indicator for the corresponding fixed size chunk to indicate that the corresponding fixed size chunk has been changed since it was divided into variable sized chunks. When change indicators indicate that division of the associated fixed size chunk or chunks into variable sized chunks should be changed, rechunking fixed size chunk into variable sized chunks is executed. Because of the change indicator, high deduplication is maintained even for offline deduplication in the data storage.”

The patent application was filed on 2023-06-21 (18/339081).

Data processing method and apparatus in storage system, and storage system
Huawei Technologies Co., Ltd., Shenzhen, China, has been assigned a patent (12265451) developed by Wang; Daohui, Song; Chi, Wang; Tonglei, and Zhan; Yun, Shenzhen, China, for “data processing method and apparatus in storage system, and storage system.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A data processing method in a storage system and the storage system, and relates to the field of data storage technologies. A client first sends a data block in a stripe and metadata of the data block to a data storage node. The client then sends the metadata of the data block and a parity block to a parity storage node, to back up the metadata of the data block on the parity storage node. When the metadata of the data block is successfully backed up, the data block is written into a corresponding storage device based on a storage location indicated by the metadata. This reduces write operation time.”

The patent application was filed on 2022-01-06 (17/569908).

Accessing SSD
Huawei Technologies Co., Ltd., Shenzhen, China, has been assigned a patent (12260112) developed by Cheng; Tao, Shenzhen, China, He; Yi, Chengdu, China, and Li; Li, Shenzhen, China, for “method and apparatus for accessing solid state disk.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “This disclosure provides a method and an apparatus for accessing a solid state disk (SSD). The method is applied to a storage node, the storage node includes a network interface card and an SSD, and the network interface card includes a memory. The network interface card receives a data write request sent by a client, where the data write request includes to-be-written data. The network interface card writes the to-be-written data to the memory of the network interface card, and the SSD obtains the to-be-written data from the memory of the network interface card and writes the to-be-written data to the SSD.”

The patent application was filed on 2022-04-27 (17/730798).

Ethernet storage system, and information notification method and related apparatus
Huawei Technologies Co., Ltd., Shenzhen, China, has been assigned a patent (12242750) developed by Wen; Huafeng, Nanjing, China, Peng; Sheng, Shenzhen, China, Wu; Qinzhi, and Gao; Liangchuan, Nanjing, China, for “Ethernet storage system, and information notification method and related apparatus thereof.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “This application discloses an information notification method and a related apparatus. The Ethernet storage system includes a first switching device and a first node, and the first switching device is an access device of the first node. The first node sends a join message to the first switching device. The join message includes an identifier of the first node and configuration information of the first node. The first switching device receives the join message, obtains the identifier of the first node based on the join message, determines, based on the identifier of the first node, a first zone corresponding to the first node, and sends a join notification message to a second node that belongs to the first zone. The join notification message includes the identifier of the first node and the configuration information of the first node.”

The patent application was filed on 2022-12-09 (18/063837).