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    ADAPTIVE QUIESCE FOR EFFICIENT CROSS-HOST CONSISTENT CDP CHECKPOINTS
    1.
    发明申请
    ADAPTIVE QUIESCE FOR EFFICIENT CROSS-HOST CONSISTENT CDP CHECKPOINTS 有权

    公开(公告)号：US20150112937A1

    公开(公告)日：2015-04-23

    申请号：US14585576

    申请日：2014-12-30

    Applicant: Zerto Ltd.

    Inventor： Amir Boldo ,  Ori Mamluk ,  Chen Burshan

    IPC: G06F11/14 ,  G06F17/30

    CPC classification number: G06F11/1464 ,  G06F11/1448 ,  G06F11/1458 ,  G06F11/1471 ,  G06F17/30575 ,  G06F2201/805 ,  G06F2201/82 ,  G06F2201/84 ,  Y10S707/99953

    Abstract: A disaster recovery system, including a target datastore for replicating data written to source datastores, and a checkpoint engine (i) for transmitting, at multiple times, quiesce commands to a plurality of host computers, each quiesce command including a timeout period that is adjusted at each of the multiple times, (ii) for determining, at each of the multiple times, whether acknowledgements indicating that a host has successfully stopped writing enterprise data to the source datastores, have been received from each of the host computers within the timeout period, (iii) for marking, at each of the multiple times, a cross-host checkpoint in the target datastore and reducing the timeout period for the quiesce commands at the next time, if the determining is affirmative, and (iv) for increasing, at each of the multiple times, the timeout period for the quiesce commands transmitted at the next time, if the determining is not affirmative.

    MULTI-RPO DATA PROTECTION
    4.
    发明申请
    MULTI-RPO DATA PROTECTION 审中-公开
    多RPO数据保护

    公开(公告)号：US20160357642A1

    公开(公告)日：2016-12-08

    申请号：US15231388

    申请日：2016-08-08

    Applicant: Zerto Ltd.

    Inventor： Chen Burshan ,  Omri Shefi ,  Yair Kuszpet

    IPC: G06F11/14

    CPC classification number: G06F11/1461 ,  G06F9/45533 ,  G06F11/1451 ,  G06F11/1469 ,  G06F11/1471 ,  G06F11/1484 ,  G06F11/2038 ,  G06F11/2048 ,  G06F11/2066 ,  G06F11/2069 ,  G06F11/2071 ,  G06F11/2082 ,  G06F11/2097 ,  G06F2009/45579 ,  G06F2201/805 ,  G06F2201/815 ,  G06F2201/84 ,  G06F2201/855

    Abstract: A system for disaster recovery including a controller (i) for controlling bandwidth usage of a disaster recovery system in accordance with a plurality of recovery point objectives (RPOs), each RPO designating a maximal time loss constraint for data recovery for an enterprise production system, and a corresponding bandwidth allocation for the disaster recovery system to use in replicating data for the enterprise production system, wherein the RPOs are applied in accordance with a calendar-based schedule of dates and times, and (ii) for issuing an RPO alert when the RPO maximal time loss constraint for a current date and time is not satisfied.

    Abstract translation: 一种用于灾难恢复的系统，包括控制器（i），用于根据多个恢复点目标（RPO）控制灾难恢复系统的带宽使用，每个RPO为企业生产系统的数据恢复指定最大时间损失约束， 以及灾难恢复系统在企业生产系统的复制数据中使用的相应的带宽分配，其中根据基于日历的日期和时间计划应用RPO，以及（ii）当发起RPO警报时 当前日期和时间的RPO最大时间损失约束不满足。

    ADAPTIVE QUIESCE FOR EFFICIENT CROSS-HOST CONSISTENT CDP CHECKPOINTS
    5.
    发明申请
    ADAPTIVE QUIESCE FOR EFFICIENT CROSS-HOST CONSISTENT CDP CHECKPOINTS 有权
    有效的跨部门一致性CDP检查点的适应性

    公开(公告)号：US20140298092A1

    公开(公告)日：2014-10-02

    申请号：US14306883

    申请日：2014-06-17

    Applicant: Zerto Ltd.

    Inventor： Amir Boldo ,  Ori Mamluk ,  Chen Burshan

    IPC: G06F11/14

    CPC classification number: G06F11/1464 ,  G06F11/1448 ,  G06F11/1458 ,  G06F11/1471 ,  G06F17/30575 ,  G06F2201/805 ,  G06F2201/82 ,  G06F2201/84 ,  Y10S707/99953

    Abstract: A disaster recovery system, including a target datastore for replicating data written to source datastores, and a checkpoint engine (i) for transmitting, at multiple times, quiesce commands to a plurality of host computers, each quiesce command including a timeout period that is adjusted at each of the multiple times, (ii) for determining, at each of the multiple times, whether acknowledgements indicating that a host has successfully stopped writing enterprise data to the source datastores, have been received from each of the host computers within the timeout period, (iii) for marking, at each of the multiple times, a cross-host checkpoint in the target datastore and reducing the timeout period for the quiesce commands at the next time, if the determining is affirmative, and (iv) for increasing, at each of the multiple times, the timeout period for the quiesce commands transmitted at the next time, if the determining is not affirmative.

    Abstract translation: 一种灾难恢复系统，包括用于复制写入源数据存储的数据的目标数据存储区，以及用于多次向多个主计算机发送静默命令的检查点引擎（i），每个静默命令包括被调整的超时时段 在多个时间段中，（ii）在多个时间段内，每个主计算机已经在多个时间段内从每个主计算机接收到指示主机已成功停止向源数据存储器写入企业数据的确认 ，（iii）用于在多次中标记目标数据存储区中的跨主机检查点，并且如果确定是肯定的，则减少下一次停顿命令的超时时间，以及（iv）为了增加， 在多个时间段中，在下一次发送的静默命令的超时时间，如果确定不是肯定的。

    Multiple points in time disk images for disaster recovery
    7.
    发明授权
    Multiple points in time disk images for disaster recovery 有权

    公开(公告)号：US10649868B2

    公开(公告)日：2020-05-12

    申请号：US15194097

    申请日：2016-06-27

    Applicant: Zerto Ltd.

    Inventor： Tomer Ben Or ,  Gil Barash ,  Chen Burshan ,  Ziv Kedem

    IPC: G06F11/00 ,  G06F11/263 ,  G06F9/455 ,  G06F11/20 ,  G06F11/22

    Abstract: An enterprise disaster recovery system, including at least one data disk, a processor for running at least one data application that reads data from the at least one data disk and writes data to the at least one data disk over a period of time, a recovery test engine that (i) generates in parallel a plurality of processing stacks corresponding to a respective plurality of previous points in time within the period of time, each stack operative to process a command to read data at a designated address from a designated one of the at least one data disk and return data at the designated address in an image of the designated data disk at the previous point in time corresponding to the stack, and (ii) that generates in parallel a plurality of logs of commands issued by the at least one data application to write data into designated addresses of designated ones of the plurality of data disks, each log corresponding to a respective previous point in time, wherein the plurality of previous points in time within the period of time are specified arbitrarily by a user of the system.

    Adaptive quiesce for efficient cross-host consistent CDP checkpoints
    9.
    发明授权
    Adaptive quiesce for efficient cross-host consistent CDP checkpoints 有权

    公开(公告)号：US08959059B2

    公开(公告)日：2015-02-17

    申请号：US14478548

    申请日：2014-09-05

    Applicant: Zerto Ltd.

    Inventor： Amir Boldo ,  Ori Mamluk ,  Chen Burshan

    IPC: G06F17/30 ,  G06F11/14

    CPC classification number: G06F11/1464 ,  G06F11/1448 ,  G06F11/1458 ,  G06F11/1471 ,  G06F17/30575 ,  G06F2201/805 ,  G06F2201/82 ,  G06F2201/84 ,  Y10S707/99953

    Abstract: A disaster recovery system, including a target datastore for replicating data written to source datastores, and a checkpoint engine (i) for transmitting, at multiple times, quiesce commands to a plurality of host computers, each quiesce command including a timeout period that is adjusted at each of the multiple times, (ii) for determining, at each of the multiple times, whether acknowledgements indicating that a host has successfully stopped writing enterprise data to the source datastores, have been received from each of the host computers within the timeout period, (iii) for marking, at each of the multiple times, a cross-host checkpoint in the target datastore and reducing the timeout period for the quiesce commands at the next time, if the determining is affirmative, and (iv) for increasing, at each of the multiple times, the timeout period for the quiesce commands transmitted at the next time, if the determining is not affirmative.

    Multi-RPO data protection
    10.
    发明授权
    Multi-RPO data protection 有权

    公开(公告)号：US10657006B2

    公开(公告)日：2020-05-19

    申请号：US15231388

    申请日：2016-08-08

    Applicant: Zerto Ltd.

    Inventor： Chen Burshan ,  Omri Shefi ,  Yair Kuszpet ,  Ziv Kedem

    IPC: G06F11/14 ,  G06F11/20 ,  G06F9/455

    Abstract: A system for disaster recovery including a controller (i) for controlling bandwidth usage of a disaster recovery system in accordance with a plurality of recovery point objectives (RPOs), each RPO designating a maximal time loss constraint for data recovery for an enterprise production system, and a corresponding bandwidth allocation for the disaster recovery system to use in replicating data for the enterprise production system, wherein the RPOs are applied in accordance with a calendar-based schedule of dates and times, and (ii) for issuing an RPO alert when the RPO maximal time loss constraint for a current date and time is not satisfied.

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