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    Mediator assisted switchover between clusters
    4.
    发明授权
    Mediator assisted switchover between clusters 有权

    公开(公告)号：US12153503B2

    公开(公告)日：2024-11-26

    申请号：US17976952

    申请日：2022-10-31

    Applicant: NetApp Inc.

    Inventor： Sasidharan Krishnan ,  Kalaivani Arumugham ,  Preksha Bansal ,  Vijaya Kumar Chakravarthy Ekkaladevi ,  Ryan Edward Bartlett

    IPC: G06F11/20 ,  G06F11/18

    Abstract: Techniques are provided for metadata management for enabling automated switchover. An initial quorum vote may be performed before a node executes an operation associated with metadata comprising operational information and switchover information. After the initial quorum vote is performed, the node executes the operation upon one or more mailbox storage devices. Once the operation has executed, a final quorum vote is performed. The final quorum vote and the initial quorum vote are compared to determine whether the operation is to be designated as successful or failed, and whether any additional actions are to be performed.

    Mediator assisted switchover between clusters
    5.
    发明授权
    Mediator assisted switchover between clusters 有权

    公开(公告)号：US11487635B2

    公开(公告)日：2022-11-01

    申请号：US17160706

    申请日：2021-01-28

    Applicant: NetApp inc.

    Inventor： Sasidharan Krishnan ,  Kalaivani Arumugham ,  Preksha Bansal ,  Vijaya Kumar Chakravarthy Ekkaladevi ,  Ryan Edward Bartlett

    IPC: G06F11/20 ,  G06F11/18

    Abstract: Techniques are provided for metadata management for enabling automated switchover. An initial quorum vote may be performed before a node executes an operation associated with metadata comprising operational information and switchover information. After the initial quorum vote is performed, the node executes the operation upon one or more mailbox storage devices. Once the operation has executed, a final quorum vote is performed. The final quorum vote and the initial quorum vote are compared to determine whether the operation is to be designated as successful or failed, and whether any additional actions are to be performed.

    METHODS FOR DYNAMICALLY DETERMINING AND READJUSTING FAILOVER TARGETS AND DEVICES THEREOF
    6.
    发明申请
    METHODS FOR DYNAMICALLY DETERMINING AND READJUSTING FAILOVER TARGETS AND DEVICES THEREOF 有权
    用于动态确定和读取故障目标的方法及其设备

    公开(公告)号：US20170031775A1

    公开(公告)日：2017-02-02

    申请号：US14815486

    申请日：2015-07-31

    Applicant: NetApp, Inc.

    Inventor： Kalaivani Arumugham ,  Deepa Ramesh ,  Dean Lyle Voiss

    IPC: G06F11/14

    CPC classification number: G06F11/1458 ,  G06F11/00 ,  G06F2201/84 ,  G06F2201/85

    Abstract: A method, non-transitory computer readable medium, and device that assists with dynamically determining and readjusting failover targets includes identifying an existing failover target from a plurality of failover targets for backing up an updated object. The identified existing failover target is determined for eligibility for backing up the updated object. One or more new failover targets from the plurality of failover targets are dynamically identified based on a plurality of storage parameters when the identified existing failover target is determined not to be eligible for backing up the updated object. The updated object is backed up in one of the dynamically identified one or more new failover targets.

    Abstract translation: 有助于动态地确定和重新调整故障转移目标的方法，非暂时性计算机可读介质和设备包括从多个故障转移目标识别现有故障转移目标以备份更新的对象。 确定已识别的现有故障转移目标是否有资格备份更新的对象。 当确定所识别的现有故障转移目标不符合备份更新的对象时，来自多个故障切换目标的一个或多个新的故障切换目标基于多个存储参数动态地识别。 更新的对象被备份在动态确定的一个或多个新的故障转移目标之一中。

    MEDIATOR ASSISTED SWITCHOVER BETWEEN CLUSTERS
    7.
    发明申请
    MEDIATOR ASSISTED SWITCHOVER BETWEEN CLUSTERS 有权

    公开(公告)号：US20250004893A1

    公开(公告)日：2025-01-02

    申请号：US18766613

    申请日：2024-07-08

    Applicant: NetApp, Inc.

    Inventor： Sasidharan Krishnan ,  Kalaivani Arumugham ,  Preksha Bansal ,  Vijay Kumar Chakravarthy Ekkaladevi ,  Ryan Edward Bartlett

    IPC: G06F11/20 ,  G06F11/14 ,  G06F11/16

    Abstract: Techniques are provided for metadata management for enabling automated switchover in accordance with a configuration of storage solution that expresses a preference for either maintaining availability (e.g., a non-zero RPO mode) of the storage solution or avoiding data loss (e.g., a zero RPO mode). In one example, responsive to detecting a switchover trigger event, a node of a local cluster of a cross-site storage solution determines whether performance of an automated switchover from a failed cluster to a surviving cluster of the cross-site storage solution is enabled. Responsive to an affirmative determination, the node selectively proceeds with the automated switchover based on the configuration.

    Methods and Systems for Storage Virtual Machine Migration Between Clusters of a Networked Storage System
    8.
    发明申请
    Methods and Systems for Storage Virtual Machine Migration Between Clusters of a Networked Storage System 有权

    公开(公告)号：US20230136363A1

    公开(公告)日：2023-05-04

    申请号：US17729900

    申请日：2022-04-26

    Applicant: NETAPP, INC.

    Inventor： Atul Ramesh Pandit ,  Kalaivani Arumugham ,  Akhil Kaushik ,  Ching-Yuk Paul Ngan ,  Kazunobu Nishime ,  Rakesh Bhargava M R ,  William R. Taylor

    IPC: G06F9/455

    Abstract: Methods and systems for Vserver migration are provided. One method includes maintaining a state of a migrate operation for migrating a plurality of source storage volumes managed by a source storage virtual machine (Vserver) of a source cluster to a plurality of destination storage volumes of a destination cluster of a networked storage environment; restarting a process at a healthy node of the source cluster or the destination cluster to continue the migrate operation, in response to detecting an unhealthy node at the source cluster or the destination cluster executing the process; retrying a task associated with the migrate operation experiencing intermittent failure for a certain number of times, and upon successful execution, continuing the migration operation; and checking the state of the migrate operation and in response to the state of the migrate operation, continuing the migrate operation or restarting the migration operation.

    MEDIATOR ASSISTED SWITCHOVER BETWEEN CLUSTERS
    9.
    发明申请
    MEDIATOR ASSISTED SWITCHOVER BETWEEN CLUSTERS 有权

    公开(公告)号：US20230053316A1

    公开(公告)日：2023-02-16

    申请号：US17976952

    申请日：2022-10-31

    Applicant: NetApp Inc.

    Inventor： Sasidharan Krishnan ,  Kalaivani Arumugham ,  Preksha Bansal ,  Vijaya Kumar Chakravarthy Ekkaladevi ,  Ryan Edward Bartlett

    IPC: G06F11/20 ,  G06F11/18

    Abstract: Techniques are provided for metadata management for enabling automated switchover. An initial quorum vote may be performed before a node executes an operation associated with metadata comprising operational information and switchover information. After the initial quorum vote is performed, the node executes the operation upon one or more mailbox storage devices. Once the operation has executed, a final quorum vote is performed. The final quorum vote and the initial quorum vote are compared to determine whether the operation is to be designated as successful or failed, and whether any additional actions are to be performed.

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