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    Interconnect path failover
    3.
    发明授权
    Interconnect path failover 有权
    互连路径故障切换

    公开(公告)号：US09354992B2

    公开(公告)日：2016-05-31

    申请号：US14261556

    申请日：2014-04-25

    Applicant: NetApp Inc.

    Inventor： Vaiapuri Ramasubramaniam ,  Rishabh Mittal ,  Amarnath Jolad ,  Hrishikesh Keremane ,  Harihara Kadayam

    IPC: G06F11/00 ,  G06F11/20

    CPC classification number: G06F11/2069 ,  G06F11/2005 ,  G06F11/201 ,  G06F11/2092 ,  G06F11/221 ,  G06F11/2221 ,  G06F11/3027 ,  G06F11/3051 ,  G06F12/0238 ,  G06F2212/222

    Abstract: One or more techniques and/or systems are provided for interconnect failover between a primary storage controller and a secondary storage controller. The secondary storage controller may be configured as a backup or failover storage controller for the primary storage controller in the event the primary storage controller fails. Data and/or metadata describing the data (e.g., data and/or metadata stored within a write cache) may be mirrored from the primary storage controller to the secondary storage controller over one or more interconnect paths. Responsive to identifying a failover trigger for a failed interconnect path, the secondary storage controller is instructed to fence (e.g., block) I/O operations from the failed interconnect path. Streams of data and/or metadata that were affected by the failure may be instructed to transmit such data and/or metadata over one or more non-failed interconnect paths to the secondary storage controller during failover of the failed interconnect path.

    Abstract translation: 提供一个或多个技术和/或系统用于主存储控制器和辅助存储控制器之间的互连故障切换。 在主存储控制器发生故障的情况下，辅助存储控制器可以被配置为主存储控制器的备份或故障转移存储控制器。 可以通过一个或多个互连路径将描述数据（例如，存储在写高速缓存内的数据和/或元数据）的数据和/或元数据从主存储控制器镜像到辅存储控制器。 响应于识别故障互连路径的故障转移触发器，指示辅助存储控制器围绕（例如，阻止）来自故障互连路径的I / O操作。 可以指示受故障影响的数据流和/或元数据流在故障互连路径的故障转移期间通过一个或多个非故障互连路径将此类数据和/或元数据传送到辅助存储控制器。

    Systems and methods for resynchronizing mirroring partners in a storage system
    4.
    发明授权
    Systems and methods for resynchronizing mirroring partners in a storage system 有权

    公开(公告)号：US11163655B2

    公开(公告)日：2021-11-02

    申请号：US15804028

    申请日：2017-11-06

    Applicant: NetApp Inc.

    Inventor： Harihara Kadayam ,  Vaiapuri Ramasubramaniam ,  Rishabh Mittal ,  Hrishikesh Keremane

    IPC: G06F11/20 ,  G06F12/0868

    Abstract: Systems and methods which provide for managing multiple mirror resources in a storage distribution network are provided. In some embodiments, a system provides for both high availability and disaster recovery functionality at different mirroring locations. Other embodiments may provide for multiple high availability and/or multiple disaster recovery mirror resources. These mirror resources are operated in a heterogeneous manner in the sense that each have its own transport, protocol, and the like, but are configured function cooperatively or as a single mirror with respect to mirroring a primary node. Embodiments may provide for the mirroring and resynchronization of mirrored resources in the event of a communication loss with a particular resource without ceasing the mirroring operations to other resources.

    INTERCONNECT PATH FAILOVER
    5.
    发明申请
    INTERCONNECT PATH FAILOVER 审中-公开

    公开(公告)号：US20160266989A1

    公开(公告)日：2016-09-15

    申请号：US15164971

    申请日：2016-05-26

    Applicant: NetApp Inc.

    Inventor： Vaiapuri Ramasubramaniam ,  Rishabh Mittal ,  Amarnath Jolad ,  Hrishikesh Keremane ,  Harihara Kadayam

    IPC: G06F11/20 ,  G06F11/22 ,  G06F12/02 ,  G06F11/30

    CPC classification number: G06F11/2069 ,  G06F11/2005 ,  G06F11/201 ,  G06F11/2092 ,  G06F11/221 ,  G06F11/2221 ,  G06F11/3027 ,  G06F11/3051 ,  G06F12/0238 ,  G06F2212/222

    Abstract: One or more techniques and/or systems are provided for interconnect failover between a primary storage controller and a secondary storage controller. The secondary storage controller may be configured as a backup or failover storage controller for the primary storage controller in the event the primary storage controller fails. Data and/or metadata describing the data (e.g., data and/or metadata stored within a write cache) may be mirrored from the primary storage controller to the secondary storage controller over one or more interconnect paths. Responsive to identifying a failover trigger for a failed interconnect path, the secondary storage controller is instructed to fence (e.g., block) I/O operations from the failed interconnect path. Streams of data and/or metadata that were affected by the failure may be instructed to transmit such data and/or metadata over one or more non-failed interconnect paths to the secondary storage controller during failover of the failed interconnect path.

    CONFIGURATION OF PEERED CLUSTER STORAGE ENVIRONMENT ORGANIZED AS DISASTER RECOVERY GROUP
    6.
    发明申请
    CONFIGURATION OF PEERED CLUSTER STORAGE ENVIRONMENT ORGANIZED AS DISASTER RECOVERY GROUP 有权
    配套集群存储环境组织为灾难恢复集团

    公开(公告)号：US20160057009A1

    公开(公告)日：2016-02-25

    申请号：US14526037

    申请日：2014-10-28

    Applicant: NetApp, Inc.

    Inventor： Harihara Kadayam ,  Hrishikesh Keremane ,  Vaiapuri Ramasubramaniam ,  Rishabh Mittal ,  Chaitanya Patel ,  Santhosh Unnikrishnan ,  Sameer Deshpande

    IPC: H04L12/24 ,  G06F11/20 ,  H04L29/08

    CPC classification number: G06F11/2069 ,  G06F11/2094 ,  G06F11/2097 ,  H04L41/0663 ,  H04L41/0873 ,  H04L41/0893 ,  H04L45/02 ,  H04L45/28 ,  H04L49/357 ,  H04L67/1097

    Abstract: A technique efficiently configures a peered cluster storage environment. The configuration technique illustratively includes three phases: a discovery phase, a node setup phase and a cluster setup phase. The discovery phase may be employed to initiate discovery of nodes of a disaster recovery (DR) group through transmission of multicast advertisement packets by the nodes over interconnects, including a Fibre Channel (FC) fabric, to each other node of the group. In the node setup phase, each node of a cluster assigns its relationships to the nodes discovered and present in the FC fabric; illustratively, the assigned relationships include high availability (HA) partner, DR primary partner and DR auxiliary partner. In the cluster setup phase, the discovered nodes of the FC fabric are organized as the peered cluster storage environment (DR group) configured to service data in a highly reliable and available manner.

    Abstract translation: 一种技术有效地配置了一个对等的群集存储环境。 配置技术说明性地包括三个阶段：发现阶段，节点设置阶段和集群建立阶段。 可以采用发现阶段来通过由包括光纤通道（FC）结构在内的各个节点通过节点向该组的每个其他节点发送多播广播分组来发起灾难恢复（DR）组的节点的发现。 在节点设置阶段，集群的每个节点将其关系分配给在FC结构中发现和存在的节点; 说明性地，所分配的关系包括高可用性（HA）伙伴，DR主要伙伴和DR辅助伙伴。 在群集设置阶段，FC架构的发现节点被组织为配置为以高度可靠和可用的方式对数据进行服务的对等集群存储环境（DR组）。

    SYSTEMS AND METHODS FOR RESYNCHRONIZING MIRRORING PARTNERS IN A STORAGE SYSTEM
    10.
    发明申请
    SYSTEMS AND METHODS FOR RESYNCHRONIZING MIRRORING PARTNERS IN A STORAGE SYSTEM 审中-公开
    在存储系统中重新构建镜像伙伴的系统和方法

    公开(公告)号：US20160085650A1

    公开(公告)日：2016-03-24

    申请号：US14950508

    申请日：2015-11-24

    Applicant: NetApp Inc.

    Inventor： Harihara Kadayam ,  Vaiapuri Ramasubramaniam ,  Rishabh Mittal ,  Hrishikesh Keremane

    IPC: G06F11/20 ,  G06F3/06

    CPC classification number: G06F11/2082 ,  G06F11/2058 ,  G06F11/2074 ,  G06F12/0868

    Abstract: Systems and methods which provide for managing multiple minor resources in a storage distribution network are provided. In some embodiments, a system provides for both high availability and disaster recovery functionality at different mirroring locations. Other embodiments may provide for multiple high availability and/or multiple disaster recovery mirror resources. These mirror resources are operated in a heterogeneous manner in the sense that each have its own transport, protocol, and the like, but are configured function cooperatively or as a single minor with respect to minoring a primary node. Embodiments may provide for the minoring and resynchronization of mirrored resources in the event of a communication loss with a particular resource without ceasing the minoring operations to other resources.

    Abstract translation: 提供了提供用于管理存储分配网络中的多个次要资源的系统和方法。 在一些实施例中，系统在不同的镜像位置提供高可用性和灾难恢复功能。 其他实施例可以提供多个高可用性和/或多个灾难恢复镜像资源。 这些镜像资源在各自具有其自己的传输，协议等等的意义上操作，但是被配置为协调地或者作为一个次要的关于裁剪主节点的意义。 实施例可以提供在与特定资源的通信丢失的情况下的镜像资源的精简和重新同步，而不停止对其他资源的裁剪操作。

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