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    Deleting data entities and deduplication stores in deduplication systems
    1.
    发明授权
    Deleting data entities and deduplication stores in deduplication systems 有权

    公开(公告)号：US11853576B2

    公开(公告)日：2023-12-26

    申请号：US17447281

    申请日：2021-09-09

    Applicant: Hewlett Packard Enterprise Development LP

    Inventor： John Butt ,  Noel Rodrigues ,  David Bebawy

    IPC: G06F3/06

    CPC classification number: G06F3/0641 ,  G06F3/067 ,  G06F3/0608 ,  G06F3/0652 ,  G06F3/0659

    Abstract: Examples described herein relate to deletion of data entities in a deduplication system. Examples may maintain entries in a housekeeping queue, each entry including a priority value and a total unshared chunk size of a data entity to be deleted from the deduplication system. Examples may delete the data entities corresponding to the entries including a low priority value from the deduplication system. Examples may determine whether an available storage capacity of the deduplication system is sufficient after deleting the data entities corresponding to the entries including the low priority value. Examples may delete a data entity corresponding to an entry including a high priority value and a largest total unshared chunk size if the available storage capacity is insufficient.

    BACKUP STORAGE
    2.
    发明申请
    BACKUP STORAGE 审中-公开
    备份存储

    公开(公告)号：US20170046093A1

    公开(公告)日：2017-02-16

    申请号：US15305452

    申请日：2014-05-29

    Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP

    Inventor： John Butt

    IPC: G06F3/06

    CPC classification number: G06F3/0641 ,  G06F3/0608 ,  G06F3/0619 ,  G06F3/0652 ,  G06F3/0673 ,  G06F11/1453

    Abstract: Determination may be made, for a first backup file comprising deduplication data in a first backup storage device, whether the first backup file comprises a number of tags ready for deletion higher than a threshold amount. Responsive to determining that the number of tags ready for deletion is higher than the threshold amount, each corresponding set of data associated with a tag ready for deletion in the first backup file may be deleted.

    Abstract translation: 对于包括第一备份存储设备中的重复数据删除数据的第一备份文件，可以确定第一备份文件是否包括准备好删除的多个标签高于阈值量。 响应于确定准备删除的标签的数量高于阈值量，可以删除与在第一备份文件中准备删除的标签相关联的每个对应的数据集。

    DELETING DATA ENTITIES AND DEDUPLICATION STORES IN DEDUPLICATION SYSTEMS
    3.
    发明申请
    DELETING DATA ENTITIES AND DEDUPLICATION STORES IN DEDUPLICATION SYSTEMS 有权

    公开(公告)号：US20230073371A1

    公开(公告)日：2023-03-09

    申请号：US17447281

    申请日：2021-09-09

    Applicant: Hewlett Packard Enterprise Development LP

    Inventor： John Butt ,  Noel Rodrigues ,  David Bebawy

    IPC: G06F3/06

    Abstract: Examples described herein relate to deletion of data entities in a deduplication system. Examples may maintain entries in a housekeeping queue, each entry including a priority value and a total unshared chunk size of a data entity to be deleted from the deduplication system. Examples may delete the data entities corresponding to the entries including a low priority value from the deduplication system. Examples may determine whether an available storage capacity of the deduplication system is sufficient after deleting the data entities corresponding to the entries including the low priority value. Examples may delete a data entity corresponding to an entry including a high priority value and a largest total unshared chunk size if the available storage capacity is insufficient.

    Disk storage allocation
    7.
    发明授权
    Disk storage allocation 有权

    公开(公告)号：US10769102B2

    公开(公告)日：2020-09-08

    申请号：US15579838

    申请日：2015-06-12

    Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP

    Inventor： Dave Donaghy ,  Josh Whelan ,  John Butt

    IPC: G06F16/11 ,  G06F16/174 ,  G06F3/06 ,  G06F11/14 ,  G06F9/455

    Abstract: According to an example, to allocate disk storage space, a request to store a new data chunk in a container is received. For a list of available containers, an exposure count for the container is fetched in the event that a container comprises a data chunk from a same source as the new data chunk. An optimal container to store the new data chunk is determined, and in the event that an exposure count of the optimal container is less than an exposure count limit, the new data chunk in the optimal container is stored.

    DISK STORAGE ALLOCATION
    8.
    发明申请
    DISK STORAGE ALLOCATION 审中-公开

    公开(公告)号：US20180165291A1

    公开(公告)日：2018-06-14

    申请号：US15579838

    申请日：2015-06-12

    Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP

    Inventor： Dave Donaghy ,  Josh Whelan ,  John Butt

    IPC: G06F17/30 ,  G06F3/06 ,  G06F9/455

    Abstract: According to an example, to allocate disk storage space, a request to store a new data chunk in a container is received. For a list of available containers, an exposure count for the container is fetched in the event that a container comprises a data chunk from a same source as the new data chunk. An optimal container to store the new data chunk is determined, and in the event that an exposure count of the optimal container is less than an exposure count limit, the new data chunk in the optimal container is stored.

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