公开(公告)号：US20240361941A1

公开(公告)日：2024-10-31

申请号：US18307885

申请日：2023-04-27

Applicant: Dell Products L.P.

Inventor： Santoshkumar Konnur ,  Deepak Vokaliga ,  Ananthakrishnan Anirudhan ,  Shruti Asmita

IPC: G06F3/06

CPC classification number: G06F3/0647 ,  G06F3/0613 ,  G06F3/0644 ,  G06F3/067

Abstract: An example methodology includes, by a computing device, receiving a request to migrate a logical unit number (LUN) from a source array to a target array and, responsive to a determination that the LUN is a large LUN, dividing the large LUN into a plurality of partitions, creating a number of sessions corresponding to the plurality of partitions, wherein each session of the created sessions is operable to migrate data from a partition of the plurality of partitions, and initiating the created sessions to start copying data from the respective partitions in parallel. The method may also include, by the computing device, responsive to a determination that the LUN is not a large LUN, creating a single session operable to migrate data from the LUN and initiating the single session to start copying data from the LUN.

公开(公告)号：US12131051B2

公开(公告)日：2024-10-29

申请号：US18149288

申请日：2023-01-03

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Kebo Fu ,  Liang Chen ,  Ruliang Dong ,  Xiang Wu ,  Xiaodong Luo

IPC: G06F3/06 ,  H03M13/35 ,  H03M13/37

CPC classification number: G06F3/0652 ,  G06F3/0619 ,  G06F3/0647 ,  G06F3/067 ,  H03M13/35 ,  H03M13/373

Abstract: In a data storage method, a storage system comprises first and second medium layers for data storage, wherein the performance of the first medium layer is different from the performance of the second medium layer. Based on the performance difference between the two layers, the storage system stores data in the first medium layer and the second medium layer based on different erasure code ratios. The different erasure code ratios correspond to different write amplification, and result in different storage space utilization.

公开(公告)号：US20240354025A1

公开(公告)日：2024-10-24

申请号：US18501231

申请日：2023-11-03

Applicant: Dell Products L.P.

Inventor： Weibing Zhang ,  Lei Gao ,  Shuning Zhang

IPC: G06F3/06

CPC classification number: G06F3/0647 ,  G06F3/0608 ,  G06F3/0652 ,  G06F3/0673

Abstract: Techniques for data migration involve obtaining feature data of a plurality of logical storage units in a first storage device, the feature data comprising deduplication information of each of the plurality of logical storage units. Such techniques further involve determining, based on the feature data, a set of similarity values between the plurality of logical storage units. Such techniques further involve migrating a logical storage unit having a similarity value higher than a similarity threshold among the plurality of logical storage units from the first storage device to a second storage device different from the first storage device.

公开(公告)号：US20240354024A1

公开(公告)日：2024-10-24

申请号：US18332774

申请日：2023-06-12

Applicant: PHISON ELECTRONICS CORP.

Inventor： Yen Chen Yeh

IPC: G06F3/06

CPC classification number: G06F3/0647 ,  G06F3/061 ,  G06F3/0688

Abstract: A memory management method, a memory storage device and a memory control circuit unit are disclosed. The method includes: activating a data merge operation; selecting a plurality of first-type physical units and a second-type physical unit from a rewritable non-volatile memory module to execute the data merge operation, wherein a data capacity of each first-type physical unit is less than a data capacity of each second-type physical unit; during a first execution period of the data merge operation, copying first data from a first physical unit in a stable state among the first-type physical units to the second-type physical unit; and during the first execution period, storing second data from a host system to a second physical unit not in the stable state among the first-type physical units.

公开(公告)号：US20240338142A1

公开(公告)日：2024-10-10

申请号：US18748877

申请日：2024-06-20

Applicant: ServiceNow, Inc.

Inventor： Brian James Waplington ,  Tamir Livneh ,  Hemendra Rana ,  Saipraneeth Muddana ,  Venkata Siva Sankar Alampalle

IPC: G06F3/06

CPC classification number: G06F3/0647 ,  G06F3/0622 ,  G06F3/067

Abstract: A directional correlation entry in a correlation index for a data record shared between a source instance and a target instance is identified. It is determined that a capture event associated with an update to the data record meets a requirement. A sharing version of the data record is created. The sharing version of the data record is provided to the target instance.

公开(公告)号：US20240329855A1

公开(公告)日：2024-10-03

申请号：US18128867

申请日：2023-03-30

Applicant: International Business Machines Corporation

Inventor： Timothy J. Fisher ,  Razik Shihan Ahmed ,  Jiming Dai ,  James Kesley Richardson

IPC: G06F3/06

CPC classification number: G06F3/0619 ,  G06F3/0647 ,  G06F3/0679

Abstract: In one general embodiment, a method includes storing a list of states for testing the effects of power loss by a solid state drive. Selection of one or more of the states is received. The solid state drive is instructed to generate an interrupt upon detecting the one or more of the selected states. The interrupt triggers a power loss to the solid state drive. The solid state drive is caused to perform a workload. In another general embodiment, a method includes receiving, by a solid state drive, instructions to generate an interrupt upon detecting a specified state of the solid state drive during processing of a workload. The workload is processed. The specified state is detected by the solid state drive while processing the workload. The interrupt is generated in response to detecting the specified state. The interrupt triggers a power loss to the solid state drive.

公开(公告)号：US12105980B2

公开(公告)日：2024-10-01

申请号：US18478952

申请日：2023-09-29

Applicant: International Business Machines Corporation

Inventor： Noriko Yamamoto ,  Hiroshi Itagaki ,  Tsuyoshi Miyamura ,  Tohru Hasegawa ,  Shinsuke Mitsuma ,  Atsushi Abe

IPC: G06F3/06

CPC classification number: G06F3/0647 ,  G06F3/0604 ,  G06F3/0682

Abstract: A tool for tape library hierarchical storage management. The tool determines there is available tape capacity on a tape cartridge mounted to a tape drive to migrate data from a migration queue during recall operations. The tool sends a locate end of data (EOD) command to the tape drive. The tool determines the migration queue is within a longitudinal position (LPOS) range. The tool writes data from the migration queue to the tape cartridge within the LPOS range.

公开(公告)号：US12099442B2

公开(公告)日：2024-09-24

申请号：US17571252

申请日：2022-01-07

Applicant: DELL PRODUCTS L.P.

Inventor： Jagannathdas Rath ,  Kalyan C Gunda

IPC: G06F12/02 ,  G06F3/06

CPC classification number: G06F12/0253 ,  G06F3/0604 ,  G06F3/0647 ,  G06F3/0679

Abstract: A method, apparatus, and system manages an object in a storage provider that provides a plurality of storage classes of storage. The method may include receiving a request for transfer of the object comprising segments from a first storage class to a second storage class of the storage provider; storing metadata associated with the object; determining that each of the segments satisfies a data storage policy based on the access characteristics of each of the segments within the object, wherein the determining includes: determining that none of the segments are referenced by the new segment for a predetermined time period; determining that none of the segments are accessed for the predetermined time period from the last accessed time instance; and in response to determining that each of the segments satisfies the data storage policy, transferring the object from the first storage class to the second storage class of the storage provider.

公开(公告)号：US20240311037A1

公开(公告)日：2024-09-19

申请号：US18679265

申请日：2024-05-30

Applicant: PURE STORAGE, INC.

Inventor： YING GAO ,  BORIS FEIGIN ,  HARI KANNAN ,  IGOR OSTROVSKY ,  JEFFREY TOFANO

IPC: G06F3/06

CPC classification number: G06F3/0652 ,  G06F3/0604 ,  G06F3/0619 ,  G06F3/0635 ,  G06F3/0647 ,  G06F3/0653 ,  G06F3/067 ,  G06F3/0689

Abstract: A storage system has a first memory, and a second memory that includes storage memory. The storage system has a processing device. The processing device is to select whether to write data to the first memory and write the data from the first memory to the second memory, or to write the data to the second memory bypassing the first memory. The processing device is to write portions of data for storage according to such selection.

公开(公告)号：US12093690B2

公开(公告)日：2024-09-17

申请号：US17952517

申请日：2022-09-26

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Naveen Bhoria ,  Dheera Balasubramanian Samudrala ,  Duc Bui ,  Alan Davis

IPC: G06F9/30 ,  G06F9/38 ,  G06F9/445 ,  G06F12/02 ,  G06F16/31 ,  G06F16/41 ,  G06F16/901 ,  G11C11/409 ,  G06F3/06 ,  G06F9/355 ,  G06F12/0811

CPC classification number: G06F9/30145 ,  G06F9/30007 ,  G06F9/3001 ,  G06F9/30032 ,  G06F9/30043 ,  G06F9/30101 ,  G06F9/30105 ,  G06F9/3818 ,  G06F9/44505 ,  G06F12/0246 ,  G06F12/0292 ,  G06F16/322 ,  G06F16/41 ,  G06F16/9017 ,  G11C11/409 ,  G06F3/0647 ,  G06F9/30167 ,  G06F9/355 ,  G06F12/0811

Abstract: A digital data processor includes an instruction memory storing instructions specifying data processing operations and a data operand field, an instruction decoder coupled to the instruction memory for recalling instructions from the instruction memory and determining the operation and the data operand, and an operational unit coupled to a data register file and an instruction decoder to perform an operation upon an operand corresponding to an instruction decoded by the instruction decoder and storing results of the operation. The operational unit is configured to perform a table recall in response to a look up table read instruction by recalling data elements from a specified location and adjacent location to the specified location, in a specified number of at least one table and storing the recalled data elements in successive slots in a destination register. Recalled data elements include at least one interpolated data element in the adjacent location.