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    OPTIMIZING DATA RESYNCHRONIZATION IN CYBER RECOVERY SOLUTIONS
    3.
    发明公开
    OPTIMIZING DATA RESYNCHRONIZATION IN CYBER RECOVERY SOLUTIONS 审中-公开

    公开(公告)号：US20240176712A1

    公开(公告)日：2024-05-30

    申请号：US17994435

    申请日：2022-11-28

    申请人： Dell Products L.P.

    发明人： Melissa Flynn ,  David Goncalves ,  Evan Jones ,  Brett Quinn

    IPC分类号： G06F11/20

    CPC分类号： G06F11/2069 ,  G06F11/2076 ,  G06F2201/84

    摘要： Recovery of a primary image is facilitated by using non-consistent snapshots on a primary storage array and consistent snapshots on a secondary storage array to avoid the need to transmit entire secondary replicas from the secondary storage array to the primary storage array. Non-consistent snaps of the primary replicas are generated by the primary storage array. Consistent snaps of the secondary replicas are generated by the secondary storage array. The primary replicas are recovered by linking non-consistent snaps to primary staging volumes, linking consistent snaps to secondary staging volumes, synchronizing the primary and secondary staging volumes, and using the synchronized primary staging volumes to recover the primary replicas.

    Configuring a file server
    5.
    发明授权
    Configuring a file server 有权

    公开(公告)号：US11977510B2

    公开(公告)日：2024-05-07

    申请号：US16925678

    申请日：2020-07-10

    申请人： EMC IP Holding Company LLC

    发明人： Maneesh Singhal ,  Adarsh Pradhan Jmt ,  Jharanabala Nayak

    IPC分类号： G06F16/00 ,  G06F9/455 ,  G06F9/50 ,  G06F11/20 ,  G06F16/11

    CPC分类号： G06F16/11 ,  G06F9/45558 ,  G06F9/5077 ,  G06F11/2069 ,  G06F2009/45579 ,  G06F2009/45595 ,  G06F2209/505

    摘要： For processing nodes of a cluster of a file server, the IO modules associated with the nodes may be required to be part of a same sub-network. A cluster may be configured to ensure that, for each cluster processing node, at least one other cluster processing node is associated with an IO module on a same sub-network as the IO module associated with the cluster processing node. The user may configure a file server to ensure that a primary node and one or more failover nodes of the file server are on a same sub-network. When configuring IO modules, physical ports having similar or same characteristics may be configured to be on a same sub-network. By doing so, and restricting nodes of a file server to being on a same sub-network, a relatively seamless failover between nodes of a file server may be achieved.

    Re-aligning data replication configuration of primary and secondary data serving entities of a cross-site storage solution after a failover event
    6.
    发明授权
    Re-aligning data replication configuration of primary and secondary data serving entities of a cross-site storage solution after a failover event 有权

    公开(公告)号：US11966307B2

    公开(公告)日：2024-04-23

    申请号：US17751410

    申请日：2022-05-23

    申请人： NetApp, Inc.

    发明人： Murali Subramanian ,  Sohan Shetty ,  Akhil Kaushik

    IPC分类号： G06F11/20 ,  H04L67/1097

    CPC分类号： G06F11/2069 ,  G06F11/2092 ,  G06F2201/85 ,  H04L67/1097

    摘要： Systems and methods for re-aligning data replication configuration of a cross-site storage solution after a failover are provided. According to one embodiment, after a failover, the new primary distributed storage system orchestrates flipping of the data replication configuration of a peered consistency group (CG) to reestablish zero RPO and zero RTO protections for the peered CG. The primary causes the secondary distributed storage system to perform an atomic database operation on its remote configuration database to (i) delete an existing source configuration that identifies the secondary as a source of data replication; and (ii) persist a new destination configuration identifying the secondary as a destination of data replication. Then, the primary performs an atomic database operation on its local configuration database to (i) delete an existing destination configuration identifying the primary as the destination; and (ii) persist a new source configuration identifying the distributed storage system as the source.

    Cross-platform replication
    7.
    发明授权
    Cross-platform replication 有权

    公开(公告)号：US11921597B2

    公开(公告)日：2024-03-05

    申请号：US17828900

    申请日：2022-05-31

    申请人： NetApp Inc.

    发明人： Atul Ramesh Pandit ,  Vijay M. Deshmukh ,  Michael Lee Federwisch ,  Ling Zheng ,  Kiyoshi James Komatsu ,  Rachita Kothiyal

    IPC分类号： G06F11/00 ,  G06F11/20 ,  H04L67/1095 ,  H04L67/1097

    CPC分类号： G06F11/2069 ,  G06F11/2071 ,  G06F11/2092 ,  H04L67/1095 ,  H04L67/1097 ,  G06F2201/805

    摘要： One or more techniques and/or computing devices are provided for cross-platform replication. For example, a replication relationship may be established between a first storage endpoint and a second storage endpoint, where at least one of the storage endpoints, such as the first storage endpoint, lacks or has incompatible functionality to perform and manage replication because the storage endpoints have different storage platforms that store data differently, use different control operations and interfaces, etc. Accordingly, replication destination workflow, replication source workflow, and/or a proxy representing the first storage endpoint may be implemented at the second storage endpoint comprising the replication functionality. In this way, replication, such as snapshot replication, may be implemented between the storage endpoints by the second storage endpoint using the replication destination workflow, the replication source workflow, and/or the proxy that either locally executes tasks or routes tasks to the first storage endpoint such as for data access.

    System and method for availability group database patching
    9.
    发明授权
    System and method for availability group database patching 有权

    公开(公告)号：US11892918B2

    公开(公告)日：2024-02-06

    申请号：US17694964

    申请日：2022-03-15

    申请人： Nutanix, Inc.

    发明人： Rohan Mohan Rayaraddi ,  Tarun Mehta

    IPC分类号： G06F11/20 ,  G06F11/14 ,  G06F8/65 ,  G06F9/50 ,  G06F11/07

    CPC分类号： G06F11/2025 ,  G06F8/65 ,  G06F9/5038 ,  G06F11/0793 ,  G06F11/1433 ,  G06F11/1464 ,  G06F11/2069 ,  G06F11/2094 ,  G06F2201/80

    摘要： A patching operation on an availability group cluster having a plurality of nodes is disclosed. The patching operation is performed in a plurality of iterations, each including determining a current state of each of the plurality of nodes, selecting a next node based on the current state, and patching the next node. A secondary replica node is selected as the next node before the a primary replica node. Each secondary replica node is patched in accordance with a first priority, upon patching each of the secondary replica node, a failover target node for patching the primary replica node is selected, the failover target node is selected based on a second priority, and according to the second priority, a healthy synchronous secondary replica node of the plurality of nodes is selected as the failover target node before an unhealthy synchronous secondary replica node of the plurality of nodes.