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    Preserving a state using snapshots with selective tuple versioning
    1.
    发明授权
    Preserving a state using snapshots with selective tuple versioning 有权
    使用选择性元组版本控制的快照保存状态

    公开(公告)号：US09569458B2

    公开(公告)日：2017-02-14

    申请号：US14637051

    申请日：2015-03-03

    申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION

    发明人： Yariv Bachar ,  Aviv Kuvent ,  Asaf Levy

    IPC分类号： G06F17/30

    CPC分类号： G06F17/30174 ,  G06F17/30088

    摘要： Selective tuple versioning is used on a file system providing file system snapshots by, receiving a request for updating at least one node and at least a node identification (ID) and associated attributes of the plurality of nodes, generating a new snapshot timestamp indicating the time of the updating, duplicating one of a plurality of rows of the nodes in the file system table into a new one of the rows of the file system table with an end time set equal to a new snapshot timestamp if the snapshot has the snapshot timestamp that is greater than a start time and less than the end time of the nodes, and updating the rows of the nodes in the file system table according to the update request, wherein the start time of the nodes is set equal to the new snapshot timestamp.

    摘要翻译： 在提供文件系统快照的文件系统上使用选择性元组版本控制，通过接收至少一个节点的更新请求和至少一个节点标识（ID）和多个节点的相关联的属性，生成指示时间的新的快照时间戳 的更新，将文件系统表中的多个节点中的一个行复制到文件系统表的新行中，其结束时间设置为等于新的快照时间戳，如果快照具有快照时间戳 大于开始时间并且小于节点的结束时间，并且根据更新请求更新文件系统表中的节点的行，其中节点的开始时间被设置为等于新的快照时间戳。

    User initiated replication in a synchronized object replication system
    4.
    发明授权
    User initiated replication in a synchronized object replication system 有权
    用户在同步对象复制系统中启动复制

    公开(公告)号：US09384252B2

    公开(公告)日：2016-07-05

    申请号：US14072536

    申请日：2013-11-05

    申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION

    发明人： Shay Akirav ,  Yariv Bachar ,  Asaf Levy ,  Oded Sonin ,  Ron Edelstein

    IPC分类号： G06F17/30

    CPC分类号： G06F17/30581 ,  G06F11/1451 ,  G06F11/1464 ,  G06F17/30327 ,  G06F17/30575 ,  G06F17/30578

    摘要： A snapshot of selected objects in a source repository is created in response to the user-initiated replication. The snapshot is designated as a snapshot replication job. The snapshot replication job is added to the end of a replication queue to await execution for the synchronized object replication. Unsynchronized objects in a target destination are detected by comparing a state of the selected objects in the snapshot with a current state of the target destination at the time of execution of the snapshot replication job. The unsynchronized objects in the target destination are synchronized based upon the comparison of the state of the selected objects in the snapshot with the current state of the target destination at the time of execution of the snapshot replication job.

    摘要翻译： 响应于用户启动的复制，创建源存储库中所选对象的快照。 快照被指定为快照复制作业。 快照复制作业将添加到复制队列的末尾以等待执行同步的对象复制。 通过在快照复制作业执行时比较快照中所选对象的状态与目标目标的当前状态来检测目标目标中的未同步对象。 基于在快照复制作业执行时将快照中所选择的对象的状态与目标目标的当前状态进行比较，目标目标中的不同步对象被同步。

    SPACE RESERVATION IN A DEDUPLICATION SYSTEM
    6.
    发明申请
    SPACE RESERVATION IN A DEDUPLICATION SYSTEM 有权
    配套系统中的空间预留

    公开(公告)号：US20140006735A1

    公开(公告)日：2014-01-02

    申请号：US13710732

    申请日：2012-12-11

    申请人： International Business Machines Corporation

    发明人： Shay H. AKIRAV ,  Aviv CARO ,  Elena DROBCHENKO ,  Dov N. HEPNER ,  Ofer LENEMAN ,  Tzafrir Z. TAUB ,  Asaf Levy

    IPC分类号： G06F3/06

    CPC分类号： G06F3/0619 ,  G06F3/0641 ,  G06F3/067 ,  G06F11/1448 ,  G06F11/1453 ,  G06F11/2053

    摘要： A calculated factoring ratio is determined as a weighted ratio of current nominal data to physical data based on at least one storage capacity threshold and a used storage space currently physically consumed by one of backup and replication data. A maximal nominal estimated space in the computing storage environment is calculated. A remaining space, defined as the maximal nominal estimated space minus a current nominal space in the computing storage environment, is calculated.

    摘要翻译： 基于至少一个存储容量阈值和当前由备份和复制数据之一物理消耗的使用的存储空间，计算的分解比被确定为当前名义数据与物理数据的加权比。 计算计算存储环境中的最大标称估计空间。 计算定义为计算存储环境中最大标称估计空间减去当前标称空间的剩余空间。