REPLICATION OF VOLUMES ON DEMAND USING ABSENT ALLOCATION
    1.
    发明申请
    REPLICATION OF VOLUMES ON DEMAND USING ABSENT ALLOCATION 审中-公开
    使用不必要的分配来补偿需求量

    公开(公告)号:WO2015088735A1

    公开(公告)日:2015-06-18

    申请号:PCT/US2014/066635

    申请日:2014-11-20

    Applicant: NETAPP, INC.

    Abstract: A method, non-transitory computer readable medium and programmed apparatus that receives a request to replicate a volume from a source to a destination. The volume includes data and metadata including information descriptive of the data. The method includes determining a first set of blocks and a second set of blocks associated with the source, where the first set of blocks is associated with the metadata, and where the second set of blocks is associated with the data. The method includes initiating, based on the first set of blocks, replication of the volume from the source to the destination to generate a replicated volume at the destination. The replicated volume includes replicated metadata generated based on the replicated first set of blocks and includes absent allocated data corresponding to the data included in the volume storage at the source storage system.

    Abstract translation: 一种方法,非暂时的计算机可读介质和编程的装置,其接收将卷从源复制到目的地的请求。 卷包括数据和元数据,包括描述数据的信息。 该方法包括确定与源相关联的第一组块和第二组块,其中第一组块与元数据相关联,以及第二组块与数据相关联。 该方法包括基于第一组块启动卷从源到目的地的卷的复制,以在目的地生成复制卷。 复制卷包括基于复制的第一组块生成的复制元数据,并且包括与源存储系统上的卷存储中包括的数据相对应的缺失分配数据。

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