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    Consistency determination
    1.
    发明授权
    Consistency determination 有权

    公开(公告)号：US10671596B1

    公开(公告)日：2020-06-02

    申请号：US14674241

    申请日：2015-03-31

    Applicant: EMC Corporation

    Inventor： Assaf Natanzon ,  Leehod Baruch ,  Jehuda Shemer ,  Saar Cohen ,  Slavik Neymer

    IPC: G06F16/00 ,  G06F16/23 ,  G06F11/14 ,  G06F11/16 ,  G06F11/30

    Abstract: A method, system, and computer program product for determining a consistent point in time in a replication environment comprising determining periods of time that no IO was received from sources; wherein the periods are determined to account for differences between the clocks of the sources and the clock at a replication appliance, adjusting the periods of time that no IO was received by at least one delay factor, comparing the adjusted periods of time from the sources to determine a common period of time; wherein the common point in time denotes that each source was in a consistent state and marking the adjusted point in time as a consistent point in time in a journal.

    Abstraction layer
    2.
    发明授权
    Abstraction layer 有权

    公开(公告)号：US10592128B1

    公开(公告)日：2020-03-17

    申请号：US14984279

    申请日：2015-12-30

    Applicant: EMC Corporation

    Inventor： Assaf Natanzon ,  Jehuda Shemer ,  Ron Bigman ,  Amit Lieberman ,  Yana Vaisman ,  Oded Peer

    IPC: G06F3/06

    Abstract: A computer implemented method, system, and computer program product comprising intercepting an interaction with a data storage capability at the abstraction layer enabled to intercept data interactions for different types of data storage capabilities; wherein the interaction changes data on the data storage capability; sending a copy of the interaction to a replication data storage capability; and sending the interaction to the data storage capability.

    Multi-cloud data migration in platform as a service (PAAS) environment
    3.
    发明授权
    Multi-cloud data migration in platform as a service (PAAS) environment 有权

    公开(公告)号：US10334044B1

    公开(公告)日：2019-06-25

    申请号：US15085876

    申请日：2016-03-30

    Applicant: EMC Corporation

    Inventor： Ron Bigman ,  Jehuda Shemer ,  Amit Lieberman ,  Assaf Natanzon ,  Yana Vaisman ,  Oded Peer

    IPC: G06F3/06 ,  H04L29/08 ,  G06F16/21

    Abstract: According to one embodiment, a request is received for estimating migrating a first dataset from a first cloud system to a second cloud system. A migration cost estimation module determines a network bandwidth required to migrate the first dataset from the first cloud system to the second cloud system, determines a duplicated data time period during migration that the first dataset has to be maintained by both the first cloud system and the second cloud system for service continuity, and determines a total cost of migrating the first dataset from the first cloud system to the second cloud system based on the required network bandwidth and the duplicated data time period. It is then determined whether to migrate the first dataset from the first cloud system to the second cloud system based on the total cost.

    Database monitoring for online migration optimization
    4.
    发明授权
    Database monitoring for online migration optimization 有权

    公开(公告)号：US10108645B1

    公开(公告)日：2018-10-23

    申请号：US14984281

    申请日：2015-12-30

    Applicant: EMC Corporation

    Inventor： Ron Bigman ,  Jehuda Shemer ,  Amit Lieberman ,  Assaf Natanzon ,  Yana Vaisman ,  Oded Peer

    IPC: G06F7/00 ,  G06F17/30

    Abstract: In general, the invention relates to a method and system for migrating tables in databases. The method may include calculating a first plurality of migration factors for a first set of tables in a source database using a plurality of pre-calculated factors and a first plurality of dynamically-calculated factor, where each of the first plurality of migration factors is associated with one of the first set of tables. The method may further include selecting a first table from the first set of tables to migrate based on the first plurality of migration factors; and migrating the first table to a target database.

    Proactive debugging
    6.
    发明授权
    Proactive debugging 有权

    公开(公告)号：US10698790B1

    公开(公告)日：2020-06-30

    申请号：US15087817

    申请日：2016-03-31

    Applicant: EMC Corporation

    Inventor： Amit Lieberman ,  Leehod Baruch ,  Assaf Natanzon ,  Jehuda Shemer ,  Ron Bigman

    IPC: G06F11/36 ,  G06F9/455

    Abstract: A bug or problem that occurs during execution of an application is detected and a time at which the problem occurred is stored. An enhanced copy of the application is restored from before the time at which the problem occurred, and the enhanced copy of the application is run. If the problem is reproduced, the application is paused. If the problem is not reproduced, restoration of the enhanced copy, running of the enhanced copy and detection of the problem are repeated for a pre-designated number of times.

    Replication ordering
    8.
    发明授权
    Replication ordering 有权

    公开(公告)号：US10067694B1

    公开(公告)日：2018-09-04

    申请号：US14674708

    申请日：2015-03-31

    Applicant: EMC Corporation

    Inventor： Assaf Natanzon ,  Leehod Baruch ,  Jehuda Shemer ,  Saar Cohen ,  Slavik Neymer

    IPC: G06F12/00 ,  G06F3/06

    Abstract: A method, system, and program product for intercepting an IO from a host running a virtual machine directed to a virtual machine disk at a splitter, wherein the host is being replicated by data protection appliances, adding ordering information to the IO, sending the IO to the virtual machine disk, determining one data protection appliance of the data protection appliances to replication the IO, and sending the IO to the one of the data protection appliances.

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