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    Managing volume snapshots in the cloud
    2.
    发明授权
    Managing volume snapshots in the cloud 有权

    公开(公告)号：US11921671B2

    公开(公告)日：2024-03-05

    申请号：US17039931

    申请日：2020-09-30

    Applicant: NetApp, Inc.

    Inventor： Kiyoshi Komatsu ,  Ardalan Kangarlou ,  Richard Swift ,  Rajesh Rajaraman ,  Ling Zheng

    IPC: G06F16/16 ,  G06F11/14 ,  G06F12/02 ,  G06F16/11 ,  G06F16/182

    CPC classification number: G06F16/128 ,  G06F11/1469 ,  G06F12/0253 ,  G06F16/162 ,  G06F16/1827

    Abstract: Systems, methods, and machine-readable media for creating, deleting, and restoring volume snapshots in a remote data store are disclosed. A storage volume and a storage operating system are implemented in a software container. Through a user interface, a user may create a snapshot of the volume to a cloud storage. A user may also delete individual snapshots from the cloud storage. Further, deletion of a most recent snapshot may occur by awaiting deletion (though marking as deleted to the user) until a next snapshot is received. Snapshots in the cloud storage are manipulatable even after destruction of the source volume (by destruction of the container, for example). A controller outside the container is used by implementing the same API as the controller in the container had. Full restores of snapshots in the cloud are also possible even when the original container and volume have been destroyed.

    Incremental backup to object store
    3.
    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.

    Snapshot metadata arrangement for efficient cloud integrated data management
    5.
    发明授权
    Snapshot metadata arrangement for efficient cloud integrated data management 有权

    公开(公告)号：US11768803B2

    公开(公告)日：2023-09-26

    申请号：US17029920

    申请日：2020-09-23

    Applicant: NetApp, Inc.

    Inventor： Sharad Jain ,  Hrishikesh Ashok Tapaswi ,  Ling Zheng ,  Onkar Bhat ,  Akhil Kaushik

    IPC: G06F16/00 ,  G06F16/11 ,  G06F16/13 ,  G06F11/14

    CPC classification number: G06F16/128 ,  G06F11/1448 ,  G06F11/1464 ,  G06F11/1469 ,  G06F16/13 ,  G06F2201/805 ,  G06F2201/84

    Abstract: A storage appliance arranges snapshot data and snapshot metadata into different structures, and arranges the snapshot metadata to facilitate efficient snapshot manipulation, which may be for snapshot management or snapshot restore. The storage appliance receives snapshots according to a forever incremental configuration and arranges snapshot metadata into different types of records. The storage appliance stores these records in key-value stores maintained for each defined data collection (e.g., volume). The storage appliance arranges the snapshot metadata into records for inode information, records for directory information, and records that map source descriptors of data blocks to snapshot file descriptors. The storage appliance uses a locally generated snapshot identifier as a key prefix for the records to conform to a sort constrain of the key-value store, which allows the efficiency of the key-value store to be leveraged. The snapshot metadata arrangement facilitates efficient snapshot restore, file restore, and snapshot reclamation.

    INCREMENTAL BACKUP TO OBJECT STORE
    7.
    发明申请
    INCREMENTAL BACKUP TO OBJECT STORE 有权

    公开(公告)号：US20210406129A1

    公开(公告)日：2021-12-30

    申请号：US16944352

    申请日：2020-07-31

    Applicant: NetApp Inc.

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

    IPC: G06F11/14

    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.

    Snapshot metadata arrangement for efficient cloud integrated data management
    8.
    发明授权
    Snapshot metadata arrangement for efficient cloud integrated data management 有权

    公开(公告)号：US10824589B2

    公开(公告)日：2020-11-03

    申请号：US15338219

    申请日：2016-10-28

    Applicant: NetApp, Inc.

    Inventor： Sharad Jain ,  Hrishikesh Ashok Tapaswi ,  Ling Zheng ,  Onkar Bhat ,  Akhil Kaushik

    IPC: G06F16/00 ,  G06F16/11 ,  G06F16/13 ,  G06F11/14

    Abstract: A storage appliance arranges snapshot data and snapshot metadata into different structures, and arranges the snapshot metadata to facilitate efficient snapshot manipulation, which may be for snapshot management or snapshot restore. The storage appliance receives snapshots according to a forever incremental configuration and arranges snapshot metadata into different types of records. The storage appliance stores these records in key-value stores maintained for each defined data collection (e.g., volume). The storage appliance arranges the snapshot metadata into records for inode information, records for directory information, and records that map source descriptors of data blocks to snapshot file descriptors. The storage appliance uses a locally generated snapshot identifier as a key prefix for the records to conform to a sort constrain of the key-value store, which allows the efficiency of the key-value store to be leveraged. The snapshot metadata arrangement facilitates efficient snapshot restore, file restore, and snapshot reclamation.

    Cross-platform replication
    9.
    发明授权
    Cross-platform replication 有权

    公开(公告)号：US10585768B2

    公开(公告)日：2020-03-10

    申请号：US15995607

    申请日：2018-06-01

    Applicant: NetApp Inc.

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

    IPC: G06F11/00 ,  G06F11/20 ,  H04L29/08

    Abstract: 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.

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