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    Incremental backup to object store
    54.
    发明授权
    Incremental backup to object store 有权

    公开(公告)号：US11868213B2

    公开(公告)日：2024-01-09

    申请号：US16944352

    申请日：2020-07-31

    Applicant: NetApp Inc.

    Inventor： Ling Zheng ,  Atul Ramesh Pandit ,  Tijin George ,  Ravindra Ramachandraiah Kuramkote

    IPC: G06F16/00 ,  G06F11/14

    CPC classification number: G06F11/1451 ,  G06F11/1458

    Abstract: Techniques are provided for incremental backup to an object store. A request may be received from an application to perform a backup from a volume hosted by a node to a backup target within the object store. A set of changed files within the volume since a prior backup of the volume was performed to the backup target is identified, along with metadata associated with the set of changed files. The metadata is utilized to identify changed data blocks comprising data of the set of changed files that was modified since the prior backup. The changed data blocks are backed up to the object store.

    Methods and Systems for Storage Virtual Machine Migration Between Clusters of a Networked Storage System
    55.
    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：US20230133014A1

    公开(公告)日：2023-05-04

    申请号：US17729870

    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 ,  G06F9/50

    Abstract: Methods and systems for Vserver migration are provided. Update after claims are finalized. One method includes generating a consistency group (CG) having a plurality of source storage volumes of a source storage virtual machine (Vserver) of a source cluster for a migrate operation to migrate the source storage volumes as a group to a plurality of destination storage volumes of a destination cluster; establishing a mirroring relationship between the source and destination cluster for managing asynchronous transfer of the source storage volumes in the CG to the destination storage volumes during a transfer phase of the migrate operation; replicating a logical interface of the source cluster to the destination cluster, the logical interface providing a network address to access the source cluster; and automatically selecting a destination port at the destination cluster, associated with the replicated logical interface.

    Immutable snapshot copies stored in write once read many (WORM) storage
    56.
    发明授权
    Immutable snapshot copies stored in write once read many (WORM) storage 有权

    公开(公告)号：US11599296B2

    公开(公告)日：2023-03-07

    申请号：US17389398

    申请日：2021-07-30

    Applicant: NetApp Inc.

    Inventor： Atul Ramesh Pandit ,  Tijin George

    IPC: G06F12/00 ,  G06F3/06 ,  G06F16/11

    Abstract: Techniques are provided for storing immutable snapshot copes in write once read many (WORM) storage. A snapshot of a volume may be stored into one or more objects formatted according to an object format. An expiry time may be assigned to the snapshot and the one or more objects based upon a creation time of the snapshot and a retention time. The one or more objects may be stored within a remote object store. The one or more objects are retained in an immutable state and cannot be deleted until expiration of the expiry time. In response to identifying an existing object within the remote object store comprising shared snapshot data referenced by the snapshot, an assigned expiry time of the existing object may be modified based upon the expiry time of the snapshot to create a modified expiry time for the existing object.

    IMMUTABLE SNAPSHOT COPIES STORED IN WRITE ONCE READ MANY (WORM) STORAGE
    57.
    发明申请
    IMMUTABLE SNAPSHOT COPIES STORED IN WRITE ONCE READ MANY (WORM) STORAGE 有权

    公开(公告)号：US20230032714A1

    公开(公告)日：2023-02-02

    申请号：US17389398

    申请日：2021-07-30

    Applicant: NetApp Inc.

    Inventor： Atul Ramesh Pandit ,  Tijin George

    IPC: G06F3/06 ,  G06F16/11

    Abstract: Techniques are provided for storing immutable snapshot copes in write once read many (WORM) storage. A snapshot of a volume may be stored into one or more objects formatted according to an object format. An expiry time may be assigned to the snapshot and the one or more objects based upon a creation time of the snapshot and a retention time. The one or more objects may be stored within a remote object store. The one or more objects are retained in an immutable state and cannot be deleted until expiration of the expiry time. In response to identifying an existing object within the remote object store comprising shared snapshot data referenced by the snapshot, an assigned expiry time of the existing object may be modified based upon the expiry time of the snapshot to create a modified expiry time for the existing object.

    FLEXIBLE TIERING OF SNAPSHOTS TO ARCHIVAL STORAGE IN REMOTE OBJECT STORES
    58.
    发明申请
    FLEXIBLE TIERING OF SNAPSHOTS TO ARCHIVAL STORAGE IN REMOTE OBJECT STORES 有权

    公开(公告)号：US20230029616A1

    公开(公告)日：2023-02-02

    申请号：US17389395

    申请日：2021-07-30

    Applicant: NetApp Inc.

    Inventor： Atul Ramesh Pandit ,  Tijin George ,  Avanthi Rajan ,  Anitha Ganesha

    IPC: G06F16/11 ,  G06F11/14

    Abstract: Techniques are provided for tiering snapshots to archival storage in remote object stores. A restore time metric, indicating that objects comprising snapshot data of snapshots created within a threshold timespan are to be available within a storage tier of a remote object store for performing restore operations, may be identified. A scanner may be executed to evaluate snapshots using the restore time metric to identify a set of candidate snapshots for archival from the storage tier to an archival storage tier of the remote object store. For each candidate snapshot within the set of candidate snapshots, the scanner may evaluate metadata associated with the candidate snapshot to identity one or more objects eligible for archival from the storage tier to the archival storage tier, and may archive the one or more objects from the storage tier to the archival storage tier.

    GRANULAR REPLICATION OF VOLUME SUBSETS
    59.
    发明申请
    GRANULAR REPLICATION OF VOLUME SUBSETS 有权

    公开(公告)号：US20220398240A1

    公开(公告)日：2022-12-15

    申请号：US17892179

    申请日：2022-08-22

    Applicant: NetApp Inc.

    Inventor： Vijay Mohan Deshmukh ,  Atul Ramesh Pandit ,  Pawan Saxena

    IPC: G06F16/23 ,  G06F16/27 ,  G06F16/245

    Abstract: Data is replicated on a backup node, where the granularity of the replication can be less than a full volume. A data consistency group comprising a subset of data for a volume is defined for a primary node. A set of differences for the data consistency group is sent to a backup node. The backup node creates change logs in response to receiving the set of differences. In response to receiving a request to access a file having data in the data consistency group, the backup node creates a clone of the file. The backup node determines whether an update to a data block of the file exists in the change logs. In response to determining that the update to the data block exists in the change logs, the backup node updates a copy of the data block for the cloned file with data in the change logs.

    SIBLING OBJECT GENERATION FOR STORING RESULTS OF OPERATIONS PERFORMED UPON BASE OBJECTS
    60.
    发明申请
    SIBLING OBJECT GENERATION FOR STORING RESULTS OF OPERATIONS PERFORMED UPON BASE OBJECTS 有权

    公开(公告)号：US20220138151A1

    公开(公告)日：2022-05-05

    申请号：US17242363

    申请日：2021-04-28

    Applicant: NetApp Inc.

    Inventor： Sharankumar Yelheri ,  Atul Ramesh Pandit ,  Tijin George

    IPC: G06F16/11 ,  G06N20/00 ,  G06F16/23

    Abstract: Techniques are provided for on-demand creation and/or utilization of containers and/or serverless threads for hosting data connector components. The data connector components can be used to perform integrity checking, anomaly detection, and file system metadata analysis associated with objects stored within an object store. The data connector components may be configured to execute machine learning functionality to perform operations and tasks. The data connector components can perform full scans or incremental scans. The data connector components may be stateless, and thus may be offlined, upgraded, onlined, and/or have tasks transferred between data connector components. Results of operations performed by the data connector components upon base objects may be stored within sibling objects.

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