Methods and systems for offloading RAID parity reconstruction

    公开(公告)号:US09940196B2

    公开(公告)日:2018-04-10

    申请号:US15135265

    申请日:2016-04-21

    Applicant: NETAPP, INC.

    CPC classification number: G06F11/1088

    Abstract: Methods and systems for a storage environment are provided. For example, one method includes receiving a request from a storage server at an offload engine for reconstructing data lost due to a failed storage device of a parity group having a plurality of storage devices; retrieving data and parity by the offload engine from the parity group storage devices that are operational; determining by the offload engine XOR of the retrieved data and parity; presenting XOR of data and parity by the offload engine to the storage server with context information associated with the retrieved data; and reconstructing lost data by the storage server using the XOR of data and parity and the context information provided by the offload engine.

    METHODS AND SYSTEMS FOR OFFLOADING RAID PARITY RECONSTRUCTION

    公开(公告)号:US20170308435A1

    公开(公告)日:2017-10-26

    申请号:US15135265

    申请日:2016-04-21

    Applicant: NETAPP, INC.

    CPC classification number: G06F11/1088

    Abstract: Methods and systems for a storage environment are provided. For example, one method includes receiving a request from a storage server at an offload engine for reconstructing data lost due to a failed storage device of a parity group having a plurality of storage devices; retrieving data and parity by the offload engine from the parity group storage devices that are operational; determining by the offload engine XOR of the retrieved data and parity; presenting XOR of data and parity by the offload engine to the storage server with context information associated with the retrieved data; and reconstructing lost data by the storage server using the XOR of data and parity and the context information provided by the offload engine.

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