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.

Inventor： CURLEY, Jonathan ,  SIMHARAJAN, Srishylam

IPC: H04L29/08

CPC classification number: G06F3/065 ,  G01S7/415 ,  G01S13/04 ,  G01S13/56 ,  G01S13/886 ,  G06F3/0619 ,  G06F3/067 ,  H04L67/1095 ,  H04L67/1097

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。

公开(公告)号：WO2013043494A1

公开(公告)日：2013-03-28

申请号：PCT/US2012/055456

申请日：2012-09-14

Applicant: NETAPP, INC. ,  CURLEY, Jonathan ,  JERNIGAN, Richard ,  KESAVAN, Ram

Inventor： CURLEY, Jonathan ,  JERNIGAN, Richard ,  KESAVAN, Ram

IPC: G06F17/30

CPC classification number: G06F17/30215 ,  G06F17/30088

Abstract: Systems and methods which provide an absent allocation technique with respect to absent data of a data structure for which data migration in a time-displaced data migration operation has not completed are disclosed. Through use of absent allocated data block states of an absent allocation technique of embodiments, dependency between source and destination data stores may be broken. An absent allocated data block state of embodiments stored within the data structure provides a suggestive indication that data of a data block of a data structure is absent from the data structure. A corresponding absent allocated data block state of embodiments stored external to the data structure provides a determinative indication that the data of the data block of the data structure is absent from the data structure. The absent data block determinative indictor of embodiments is updated as data continues to be migrated.

Abstract translation: 公开了关于时间偏移数据迁移操作中的数据迁移尚未完成的数据结构的缺失数据提供缺席分配技术的系统和方法。 通过使用缺少分配的数据块状态的实施例的缺少分配技术，源和目的地数据存储之间的依赖可能被破坏。 数据结构中存储的实施例的缺少分配的数据块状态提供了数据结构中不存在数据结构的数据块的数据的暗示性指示。 存储在数据结构外部的实施例的对应的未分配数据块状态提供了数据结构中数据结构的数据块的数据不存在的确定指示。 当数据继续迁移时，更新实施例的不存在的数据块确定指示符。