Hitachi Vantara Assigned Fifteen Patents

Operation management apparatus and method
Hitachi Vantara, Ltd., Kanagawa-Ken, Japan, has been assigned a patent (12373244) developed by Mizuno; Jun, Tokyo, Japan, for “operation management apparatus and method.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A data migration apparatus and method for performing low cost data migration while preventing stoppages during migration of a job net between cloud services by acquiring an execution schedule of the job net, estimate execution time of each of the jobs, and further estimate volume copy time from a first to a second cloud service regarding each of the volumes to be used; calculate a starting time of each job on the basis of the execution schedule and time of each job; and calculate a starting time of volume copy on the basis of the calculated starting time of day of each job and the volume copy time of each volume, so that the volume copy of each volume from the first to the second cloud service will start at the starting time of the volume copy which has been calculated regarding each relevant volume.”

The patent application was filed on 2023-02-17 (18/170812).

Storage system
Hitachi Vantara, Ltd., Yokohama, Japan, has been assigned a patent (12367115) developed by Yoshii; Yoshihiro, Yoshihara; Tomohiro, and Tatsumi; Ryosuke, Tokyo, Japan, for a “storage system.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “Each controller of a plurality of storage controllers is an old storage controller before replacement or a new storage controller after replacement. The new storage controller can execute a first program and a second program, and the old storage controller can execute at least the second program. When all of the plurality of storage controllers are the new storage controller, the new storage controller processes data input and output to and from the storage drive by using the first program. When the plurality of storage controllers includes at least one of the old storage controllers, each storage controller of the plurality of storage controllers processes the data input and output to and from the storage drive by using the second program.”

The patent application was filed on 2023-02-27 (18/114468).

Information infrastructure management method, management server, and non-transitory computer-readable recording medium for managing a computing machine having a computational resource for executing a workflow and a storage resource communicably coupled to the computing machine
Hitachi Vantara, Ltd., Yokohama, Japan, has been assigned a patent (12360816) developed by Nagasaki; Hideki, Kambara; Yasuyuki, Sugauchi; Kiminori, and Nikaido; Akira, Tokyo, Japan, for “information infrastructure management method, management server, and non-transitory computer-readable recording medium for managing a computing machine having a computational resource for executing a workflow and a storage resource communicably coupled to the computing machine.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A management server calculates a required amount of computational resource required to execute the application based on a processing speed of each application and a computational resource model. When a usage rate of the computational resource within an execution time limit of the workflow exceeds an upper limit, the management server calculates, using the computational resource model, a first executable time during which the application is executable on an available capacity of the computational resource. The management server sets a target execution time of the application in executing the workflow as a first executable time, and adjusts to add an extension time of the target execution time according to the first executable time to a target execution time of another application that does not exceed the computational resource upper limit so as to postpone an end time-of-day of the application and advance a start time-of-day of the other application.”

The patent application was filed on 2022-08-29 (17/897435).

Computer system and redundant element configuration method
Hitachi Vantara, Ltd., Yokohama, Japan, has been assigned a patent (12360682) developed by Nakamura; Takaki, Saito; Hideo, Kurata; Naruki, and Yamamoto; Takahiro, Tokyo, Japan, for “computer system and redundant element configuration method.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “Reliability in a storage system can be easily and appropriately improved. In a computer system including a storage system configured to provide a plurality of instances in any one of a plurality of subzones divided by risk boundaries, a processor of the computer system is configured to make a storage controller that controls I/O processing for a volume based on a capacity pool provided by a plurality of storages redundant to the plurality of instances provided in the plurality of subzones.”

The patent application was filed on 2024-04-05 (18/627541).

Storage system including storage nodes, storage controller processing data reading and writing, and volatile memory, and storage control method
Hitachi Vantara, Ltd., Yokohama, Japan, has been assigned a patent (12360859) developed by Ono; Taisuke, Ohira; Yoshinori, Ito; Shintaro, and Yamamoto; Takahiro, Tokyo, Japan, for “storage system including storage nodes, storage controller processing data reading and writing, and volatile memory, and storage control method.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A storage system includes one or more storage nodes each having a non-volatile storage device, a storage controller, and a volatile memory, in which the storage device includes a plurality of base image storage areas including at least a first base image storage area and a second base image storage area as areas for storing entire predetermined information stored in the memory as a base image, and the storage controller starts processing to store a next base image in the second base image storage area when the base image storage with respect to the first base image storage area is complete, and reads out the storage-completed base image and restores the image to the memory in a case where the predetermined information is lost from the memory.”

The patent application was filed on 2023-03-10 (18/120015).

Evaluating storage device for storage migration
Hitachi Vantara, Ltd., Yokohama, Japan, has been assigned a patent (12360671) developed by Kukita; Shota, and Nakano; Takahiro, Tokyo, Japan, for “evaluating storage device for storage migration.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A storage operation support apparatus includes a storage unit that stores storage device information that stores information on a state of a storage device and an evaluation unit that evaluates an evaluation target storage device to be evaluated. With reference to the storage device information, the evaluation unit calculates an environment score indicating a magnitude of a load on an environment of the evaluation target storage device, calculates a cost score indicating a magnitude of a cost of the evaluation target storage device, calculates a performance score indicating a slow speed of reading and writing data of the evaluation target storage device, and calculates a total score using the environment score, the cost score, and the performance score.”

The patent application was filed on 2023-08-23 (18/454430).

Storage device
Hitachi Vantara, Ltd., Yokohama, Japan, has been assigned a patent (12360695) developed by Nagao; Takashi, Yoshihara; Tomohiro, Miyashita; Jun, and Tsuruya; Masahiro, Tokyo, Japan, for a “storage device.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A storage device includes a processor and an accelerator configured to compress and decompress data. The processor receives first replacement write data for a part of a first logical address region to update first data in the first logical address region that has been compressed by basic compression unit. The processor instructs the accelerator to compress the first replacement write data by a size smaller than the basic compression unit. The accelerator compresses the first replacement write data by the smaller size. The processor merges not-to-be-replaced data in the first logical address region and the first replacement data that are decompressed by the accelerator to generate uncompressed data having a size of the basic compression unit. The processor instructs the accelerator to compress the uncompressed data by the basic compression unit.”

The patent application was filed on 2024-03-12 (18/602472).

Storage device
Hitachi Vantara, Ltd., Yokohama, Japan, has been assigned a patent (12353712) developed by Tsuruya; Masahiro, Mizushima; Nagamasa, Yoshihara; Tomohiro, and Shimada; Kentaro, Tokyo, Japan, for a “storage device.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “The storage device includes a first memory, a process device that stores data in the first memory and reads the data from the first memory, and an accelerator that includes a second memory different from the first memory. The accelerator stores compressed data stored in one or more storage drives storing data, in the second memory, decompresses the compressed data stored in the second memory to generate plaintext data, extracts data designated in the process device from the plaintext data, and transmits the extracted designated data to the first memory.”

The patent application was filed on 2023-03-07 (18/118249).

Storage system and storage node management method
Hitachi Vantara, Ltd., Kanagawa-Ken, Japan, has been assigned a patent (12346571) developed by Oda; Hajime, and Aikawa; Ryo, Tokyo, Japan, for “storage system and storage node management method.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A worker node included in a storage system 1 includes a score calculation unit 31 that calculates a score of the worker node based on a failure history and an operation status of the worker node, and a master node (P) includes a promotion node selection unit 52 that compares scores for each worker node when a failure occurs in one of master nodes and selects, based on the scores, a worker node to be promoted to a master node instead of the master node in which the failure has occurred.”

The patent application was filed on 2023-09-01 (18/459551).

Information processing apparatus, authenticity verification method, and program
Hitachi Vantara, Ltd., Yokohama, Japan, has been assigned a patent (12339946) developed by Kotake; Yuki, and Takamura; Yukiyoshi, Tokyo, Japan, for “information processing apparatus, authenticity verification method, and program.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “Whether a connected drive is an unauthorized drive or not can be judged before it becomes possible for the connected drive to access a memory for a storage controller. When a storage device is connected, an information processing apparatus forms a first communication channel via a first interface incapable of accessing a built-in memory even when the communication connection is established; and a second communication channel via a second interface capable of accessing the built-in memory when the communication connection is established. At a specified timing when the communication connection via the second communication channel is not established, a processor executes authenticity verification processing for verifying authenticity of the storage device on the basis of information acquired from the storage device by using the first communication channel and permits establishment of the communication connection via the second communication channel when the authenticity is confirmed by the authenticity verification processing.”

The patent application was filed on 2022-03-07 (17/688270).

Storage system and management method
Hitachi Vantara, Ltd., Yokohama, Japan, has been assigned a patent (12339751) developed by Deguchi; Akira, Arai; Masahiro, and Koseki; Hideyuki, Tokyo, Japan, for “storage system and management method.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A management server stops a sub-server in advance and prepares a sub-storage that operates in response to a request from the sub-server at the time of transition at which a business process of using data stored in a regular storage is performed in the sub-server. The management server recovers data using recovery data stored in an object storage and stores the data in the sub-storage and starts the sub-server.”

The patent application was filed on 2023-03-01 (18/115881).

Data sharing system and data sharing method
Hitachi Vantara, Ltd., Kanagawa-ken, Japan, has been assigned a patent (12340098) developed by Yanagi; Naoto, Seki; Shinichiro, Agetsuma; Masakuni, and Uehara; Go, Tokyo, Japan, for “data sharing system and data sharing method.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “To provide a data sharing system and a data sharing method that make it easy to suppress the disclosure of data whose disclosure is restricted according to the location where the data exists, in accordance with the provision of the disclosure restriction. A data sharing system comprising a storage node having virtual volumes accessed by a readout device, the data sharing system comprising: the storage node comprises: an access setting unit configured to restrict a target readout device from reading data from a target virtual volume in accordance with information on a location of the target readout device accessing the data sharing system and information on a location of the target virtual volume from which the target readout device attempts to read data.”

The patent application was filed on 2023-03-09 (18/119593).

Metadata access and conversion during storage system controller update
Hitachi Vantara, Ltd., Yokohama, Japan, has been assigned a patent (12340108) developed by Ogawa; Shugo, Yoshii; Yoshihiro, Tatsumi; Ryosuke, Yoshihara; Tomohiro, Nonaka; Yusuke, and Miki; Hiroshi, Tokyo, Japan, for “metadata access and conversion during storage system controller update.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “Performance deterioration of a storage system is prevented. A storage controller includes one or more processors, and one or more memories configured to store one or more programs to be executed by the one or more processors. The one or more processors are configured to execute conversion of converting metadata before conversion for controlling the storage system into metadata after conversion in a format corresponding to a new controller newly installed in the storage system, execute control of switching an access destination between the metadata before conversion and the metadata after conversion according to an access control code during the conversion, and access the metadata before conversion without using the access control code before start of the conversion.”

The patent application was filed on 2023-09-19 (18/370014).

Quota management system and quota management method
Hitachi Vantara, Ltd., Yokohama, Japan, has been assigned a patent (12340084) developed by Martinez Lerin; Pablo, and Hayasaka; Mitsuo, Tokyo, Japan, for “quota management system and quota management method.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A system receives a quota request in which a tenant, one or more locations, and a capacity upper limit related to a requested quota are designated, executes conflict determination n based on quota information, and adds information related to the requested quota to the quota information when a result of the conflict determination is false. The quota information includes information representing a tenant, one or more locations, and a capacity upper limit for each quota of the plurality of storage devices at the plurality of locations. For each of the plurality of locations, a capacity usable by the tenant among a capacity of the storage device at the location is equal to or less than the capacity upper limit of the quota corresponding to the location and the tenant.”

The patent application was filed on 2024-02-21 (18/583525).

Storage system and data restoration method
Hitachi Vantara, Ltd., Yokohama, Japan, has been assigned a patent (12333185) developed by Matsugami; Kazuki, and Deguchi; Akira, Tokyo, Japan, for “storage system and data restoration method.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “This invention prevents valid data written from a healthy host from being lost when restoring data corrupted by a host infected by malware from a backup. In the disclosed storage system, a storage controller records history of data updates to data in volumes made by hosts (host computers) as update history information (an update history management table) with information that can identify the hosts respectively. When having been requested to restore data in a particular volume of the volumes with specifications of a host for which to invalidate data updates and a date and time to do so, based on the update history information, the storage controller invalidates data updates made by the specified host after the specified date and time, whereas keeping data updates valid made by a host different from the specified host after the specified date and time, and restores the particular volume.”

The patent application was filed on 2022-03-10 (17/691253).