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    CONFIGURATION UPDATE MANAGEMENT
    11.
    发明申请
    CONFIGURATION UPDATE MANAGEMENT 审中-公开
    配置更新管理

    公开(公告)号：US20160342335A1

    公开(公告)日：2016-11-24

    申请号：US14715745

    申请日：2015-05-19

    Applicant: NetApp Inc.

    Inventor： Chinmoy Dey ,  Anoop Chakkalakkal Vijayan ,  Prasad Srinivas

    IPC: G06F3/06 ,  G06F9/455

    Abstract: One or more techniques and/or systems are provided for managing configuration updates used to replicate configuration of a primary storage virtual machine to a partner storage virtual machine. For example, the partner storage virtual machine may be configured to provide failover operation in place of the primary storage virtual machine in the event the primary storage virtual machine fails. Configuration updates are queued and replayed on the partner storage virtual machine to replicate objects of the primary storage virtual machine to the partner storage virtual machine (e.g., replay of create, modify, or delete object commands for synchronizing volumes, logical unit numbers, and/or other configuration objects of the primary storage virtual machine to the partner storage virtual machine). Configuration updates may be retained, modified, or discarded/removed based upon consolidation rules, which improves computing resource utilization by consolidating configuration updates and/or removing stale configuration updates while achieving a similar replication consistency result.

    Abstract translation: 提供一个或多个技术和/或系统用于管理用于将主存储虚拟机的配置复制到伙伴存储虚拟机的配置更新。 例如，伙伴存储虚拟机可能被配置为在主存储虚拟机发生故障的情况下提供故障切换操作来代替主存储虚拟机。 配置更新在伙伴存储虚拟机上排队和重播，以将主存储虚拟机的对象复制到伙伴存储虚拟机（例如，重播创建，修改或删除对象命令，用于同步卷，逻辑单元号和/ 或主存储虚拟机的其他配置对象到合作伙伴存储虚拟机）。 可以基于合并规则保留，修改或丢弃/删除配置更新，这通过整合配置更新和/或删除过时的配置更新来提高计算资源利用率，同时实现类似的复制一致性结果。

    CLONE VOLUME MERGING
    12.
    发明申请
    CLONE VOLUME MERGING 审中-公开
    克隆音量合并

    公开(公告)号：US20160246683A1

    公开(公告)日：2016-08-25

    申请号：US14627497

    申请日：2015-02-20

    Applicant: NetApp Inc.

    Inventor： Anoop Chakkalakkal Vijayan ,  Sudhakar Jha ,  Prasad Srinivas

    IPC: G06F11/14 ,  G06F17/30

    CPC classification number: G06F16/184 ,  G06F11/1448 ,  G06F2201/84

    Abstract: One or more techniques and/or systems are provided for clone volume merging. For example, a parent volume may be exposed to users for read and write access to data stored within the parent volume. The parent volume may be cloned to create a cloned volume of the parent volume. The cloned volume may be exposed to users for data access. Responsive to receiving a clone volume merge command, data blocks within the cloned volume may be compared with data blocks within the parent volume to identify delta data blocks within the cloned volume that are not within the parent volume. The delta data blocks may be copied from the cloned volume to the parent volume, which may increase performance and/or decrease time taken to generate a volume with both common data blocks and the delta data blocks, as compared to copying data from the parent volume to the cloned volume.

    Abstract translation: 提供用于克隆体积合并的一个或多个技术和/或系统。 例如，父卷可能暴露给用户以对存储在父卷内的数据进行读写访问。 可以克隆父卷以创建父卷的克隆卷。 克隆的卷可能暴露给用户进行数据访问。 响应于接收克隆卷合并命令，克隆卷内的数据块可以与父卷内的数据块进行比较，以识别克隆卷内不在父卷内的增量数据块。 可以将delta数据块从克隆的卷复制到父卷，与从父卷中复制数据相比，可以增加性能和/或减少生成具有公共数据块和增量数据块的卷所花费的时间 到克隆体积。

    SYNCHRONIZING CONFIGURATION OF PARTNER OBJECTS ACROSS DISTRIBUTED STORAGE SYSTEMS USING TRANSFORMATIONS
    13.
    发明申请
    SYNCHRONIZING CONFIGURATION OF PARTNER OBJECTS ACROSS DISTRIBUTED STORAGE SYSTEMS USING TRANSFORMATIONS 有权
    使用变换同步分布式存储系统的合作伙伴对象的配置

    公开(公告)号：US20160092463A1

    公开(公告)日：2016-03-31

    申请号：US14496611

    申请日：2014-09-25

    Applicant: NetApp, Inc.

    Inventor： Anoop Chakkalakkal Vijayan

    IPC: G06F17/30

    CPC classification number: G06F17/30174 ,  G06F3/0607 ,  G06F3/0665 ,  G06F3/0667 ,  G06F11/0712 ,  G06F11/1484 ,  G06F11/1658 ,  G06F11/20 ,  G06F11/2089 ,  G06F17/302 ,  H04L67/1095 ,  H04L67/1097

    Abstract: A configuration for a component of a primary node is synchronized with a configuration for a component of a partner node in a different cluster by replicating the primary node configuration with the partner node. A baseline configuration replication comprises a snapshot of a component configuration on the primary. The baseline configuration can be generated by traversing through the configuration objects, capturing their attributes and encapsulating them in a package. The baseline package can then be transferred to the partner node. The configuration objects can be applied on the partner node in the order in which they were captured on the primary node. Attributes of the configuration objects are identified that are to be transformed. Values for the identified attributes are transformed from a name space in the primary node to a name space in the partner node.

    Abstract translation: 通过将主节点配置与伙伴节点进行复制，用于主节点的组件的配置与不同集群中的伙伴节点的组件的配置同步。 基准配置复制包括主要组件配置的快照。 可以通过遍历配置对象，捕获其属性并将其封装在包中来生成基线配置。 然后可以将基准包转移到伙伴节点。 配置对象可以按照它们在主节点上捕获的顺序应用于伙伴节点上。 识别要转换的配置对象的属性。 标识属性的值从主节点的名称空间转换为伙伴节点中的名称空间。

    NON-DISRUPTIVE TRANSITION TO SYNCHRONOUS REPLICATION STATE
    17.
    发明申请
    NON-DISRUPTIVE TRANSITION TO SYNCHRONOUS REPLICATION STATE 有权

    公开(公告)号：US20210406280A1

    公开(公告)日：2021-12-30

    申请号：US17472723

    申请日：2021-09-13

    Applicant: NetApp Inc.

    Inventor： Akhil Kaushik ,  Anoop Chakkalakkal Vijayan ,  Preetham Kudgi Shenoy

    IPC: G06F16/27

    Abstract: Techniques are provided for transitioning a first storage object and a second storage object from an asynchronous replication state to a synchronous replication state. Metadata operations are logged into a metadata log. Dirty data, modified by data operations executed upon the first storage object, are tracked using a dirty region log. Metadata operations are replicated from the metadata log to the second storage object during a metadata drain phase. During the metadata drain phase, incoming operations are logged into the metadata log when the metadata log has a non-zero size, otherwise, the metadata operations are replicated to the second storage object. After the metadata drain phase, a data drain phase is performed using the dirty region log.

    Non-disruptive transition to synchronous replication state
    18.
    发明授权
    Non-disruptive transition to synchronous replication state 有权

    公开(公告)号：US11120048B2

    公开(公告)日：2021-09-14

    申请号：US16293807

    申请日：2019-03-06

    Applicant: NetApp Inc.

    Inventor： Akhil Kaushik ,  Anoop Chakkalakkal Vijayan ,  Preetham Kudgi Shenoy

    IPC: G06F16/27

    Abstract: Techniques are provided for transitioning a first storage object and a second storage object from an asynchronous replication state to a synchronous replication state. Metadata operations are logged into a metadata log. Dirty data, modified by data operations executed upon the first storage object, are tracked using a dirty region log. Metadata operations are replicated from the metadata log to the second storage object during a metadata drain phase. During the metadata drain phase, incoming operations are logged into the metadata log when the metadata log has a non-zero size, otherwise, the metadata operations are replicated to the second storage object. After the metadata drain phase, a data drain phase is performed using the dirty region log.

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