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    CONFIGURABLE QUALITY OF SERVICE PROVIDER PIPELINE
    21.
    发明公开
    CONFIGURABLE QUALITY OF SERVICE PROVIDER PIPELINE 审中-公开

    公开(公告)号：US20240364604A1

    公开(公告)日：2024-10-31

    申请号：US18307103

    申请日：2023-04-26

    Applicant: NetApp Inc.

    Inventor： Abdul Basit ,  Daniel McCarthy ,  Christopher Lee Cason ,  Jian Hu

    IPC: H04L41/5067 ,  G06F9/50

    CPC classification number: H04L41/5067 ,  G06F9/5072 ,  G06F2209/501 ,  G06F2209/5011 ,  G06F2209/503 ,  G06F2209/505

    Abstract: Techniques are provided for dynamically implementing quality of service policies using a configurable quality of service provider pipeline. A quality of service policy is defined for throttling I/O operations received by a node based upon whether resources of the node have become over utilized. The quality of service policy is used to dynamically construct a quality of service provider pipeline with select quality of service providers that improve the ability to efficiently utilize resources compared to conventional static polices that cannot adequately react to changing considerations and resource utilization/saturation. With conventional static policies, an administrator manually defines a minimum amount of guaranteed resources and/or a maximum resource usage cap that could be set to values that result in inefficient operation and resource starvation. Dynamically constructing and utilizing the quality of service provider pipeline results in more efficient operation and mitigates resource starvation.

    Cloud block map for caching data during on-demand restore
    22.
    发明授权
    Cloud block map for caching data during on-demand restore 有权

    公开(公告)号：US12131050B2

    公开(公告)日：2024-10-29

    申请号：US18448245

    申请日：2023-08-11

    Applicant: NetApp Inc.

    Inventor： Jagavar Nehra ,  Roopesh Chuggani ,  Abhisar ,  Sumith Makam

    IPC: G06F3/06 ,  G06F11/14

    CPC classification number: G06F3/065 ,  G06F3/0619 ,  G06F3/067 ,  G06F11/1469 ,  G06F2201/84

    Abstract: Techniques are provided for caching data during an on-demand restore using a cloud block map. A client may be provided with access to an on-demand volume during a restore process that copies backup data from a snapshot within a remote object store to the on-demand volume stored within local storage. In response to receiving a request from the client for a block of the backup data not yet restored from the snapshot to the on-demand volume, the block may be retrieved from the snapshot in the remote object store. The block may be cached within a cloud block map stored within the local storage as a cached block. The client may be provided with access to the cached block.

    Multi-tier write allocation
    23.
    发明授权
    Multi-tier write allocation 有权

    公开(公告)号：US12124716B2

    公开(公告)日：2024-10-22

    申请号：US18357206

    申请日：2023-07-24

    Applicant: NetApp Inc.

    Inventor： Ganga Bhavani Kondapalli ,  Kevin Daniel Varghese ,  Ananthan Subramanian ,  Cheryl Marie Thompson ,  Anil Paul Thoppil

    IPC: G06F3/06

    CPC classification number: G06F3/0631 ,  G06F3/061 ,  G06F3/0665 ,  G06F3/067

    Abstract: Techniques are provided for multi-tier write allocation. A storage system may store data within a multi-tier storage environment comprising a first storage tier (e.g., storage devices maintained by the storage system), a second storage tier (e.g., a remote object store provided by a third party storage provider), and/or other storage tiers. A determination is made that data (e.g., data of a write request received by the storage system) is to be stored within the second storage tier. The data is stored into a staging area of the first storage tier. A second storage tier location identifier, for referencing the data according to a format utilized by the second storage tier, is assigned to the data and provided to a file system hosting the data. The data is then destaged from the staging area into the second storage tier, such as within an object stored within the remote object store.

    METHODS AND SYSTEMS FOR NEGOTIATING A PRIMARY BIAS STATE IN A DISTRIBUTED STORAGE SYSTEM
    25.
    发明公开
    METHODS AND SYSTEMS FOR NEGOTIATING A PRIMARY BIAS STATE IN A DISTRIBUTED STORAGE SYSTEM 审中-公开

    公开(公告)号：US20240338125A1

    公开(公告)日：2024-10-10

    申请号：US18296832

    申请日：2023-04-06

    Applicant: NetApp, Inc.

    Inventor： Sohan Shetty ,  Anoop Vijayan ,  Akhil Kaushik ,  Rohit Chaudhary

    IPC: G06F3/06

    CPC classification number: G06F3/0617 ,  G06F3/0653 ,  G06F3/0683

    Abstract: Systems and methods include negotiating a primary bias state for primary and secondary storage sites when a mediator is temporarily unavailable for a multi-site distributed storage system. In one example, a computer-implemented method comprises detecting, with the primary storage site having a primary storage cluster, a temporary loss of connectivity to a mediator or a failure of the mediator. The computer-implemented method includes negotiating the primary bias state and setting the primary bias state on a secondary storage cluster of the secondary storage site when the secondary storage cluster detects a temporary loss of connectivity to the mediator, determining whether the primary storage cluster receives a confirmation of the secondary storage cluster setting the primary bias state, and setting the primary bias state on the primary storage cluster when the primary storage cluster receives the confirmation.

    Resilient implementation of client file operations and replication
    26.
    发明授权
    Resilient implementation of client file operations and replication 有权

    公开(公告)号：US12105983B2

    公开(公告)日：2024-10-01

    申请号：US18459234

    申请日：2023-08-31

    Applicant: NetApp Inc.

    Inventor： Akhil Kaushik ,  Anil Kumar Ponnapur ,  Aravind Srinivasa Raghavan ,  Manoj Kumar V Sundararajan

    IPC: G06F3/06

    CPC classification number: G06F3/065 ,  G06F3/061 ,  G06F3/0617 ,  G06F3/0619 ,  G06F3/0658 ,  G06F3/0659 ,  G06F3/067 ,  G06F3/0683

    Abstract: One or more techniques and/or computing devices are provided for resilient replication of storage operations. For example, a first storage controller may host first storage having a replication relationship with second storage hosted by a second storage controller. To improve resiliency against transient network issues of a network between the storage controllers, the first storage controller may implement a queue and retry mechanism to retry replication operations not acknowledge back by the second storage controller within a threshold time. The second storage controller may maintain a cumulative sequence number of a latest replication operation performed in order, an operation response map of replication operations performed out of order, and an operation finder map identifying currently implemented replication operations, which may be used to process incoming replication operations. Single write semantics, write order consistency, and reduction of write amplification may be provided.

    File System Access During Runtime Of A Portable Executable Program
    27.
    发明公开
    File System Access During Runtime Of A Portable Executable Program 审中-公开

    公开(公告)号：US20240320321A1

    公开(公告)日：2024-09-26

    申请号：US18423357

    申请日：2024-01-26

    Applicant: NetApp, Inc.

    Inventor： Tryggvi Larusson ,  Fridvin Oddbjornsson

    IPC: G06F21/53 ,  G06F16/182 ,  G06F16/188 ,  G06F21/62

    CPC classification number: G06F21/53 ,  G06F16/183 ,  G06F16/188 ,  G06F21/6218 ,  G06F2221/034

    Abstract: The technology disclosed herein enables access to a file system by a portable executable program. In a particular example, a method includes, in a host executing the portable executable program, recognizing the portable executable program is executing on the one or more processing systems and determining the portable executable program is configured to access the file system. The method also includes directing the portable executable program to create a module therein for file system access and creating an abstraction layer with which the module exchanges file system commands. In the abstraction layer, the method includes translating the file system commands to translated commands for the file system and exchanging translated commands between the abstraction layer and the file system.

    FAST RESYNCHRONIZATION OF A MIRRORED AGGREGATE USING DISK-LEVEL CLONING
    28.
    发明公开
    FAST RESYNCHRONIZATION OF A MIRRORED AGGREGATE USING DISK-LEVEL CLONING 审中-公开

    公开(公告)号：US20240311032A1

    公开(公告)日：2024-09-19

    申请号：US18676887

    申请日：2024-05-29

    Applicant: NetApp, Inc.

    Inventor： Sangramsinh Pandurang Pawar ,  Bhoovaraghan Subramanian ,  William Derby Dallas ,  Sowkoor Sunad Bhandary ,  Rajesh Rajarman ,  FNU Sahasranshu

    IPC: G06F3/06

    CPC classification number: G06F3/0646 ,  G06F3/0604 ,  G06F3/067

    Abstract: Systems and methods for performing a fast resynchronization of a mirrored aggregate of a distributed storage system using disk-level cloning are provided. According to one embodiment, responsive to a failure of a disk of a plex of the mirrored aggregate utilized by a high-availability (HA) pair of nodes of a distributed storage system, disk-level clones of the disks of a healthy plex may be created external to the distributed storage system and attached to the degraded HA partner node. After detection of the cloned disks by the degraded HA partner node, mirror protection may be efficiently re-established by assimilating the cloned disks within the failed plex and then resynchronizing the mirrored aggregate by performing a level-1 resync of the failed plex with the healthy plex based on a base file system snapshot of the healthy plex. In this manner, a more time-consuming level-0 resync may be avoided.

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