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    • 61. 发明申请
    • DATA BACKUP USING METADATA MAPPING
    • 使用元数据映射的数据备份
    • US20160041884A1
    • 2016-02-11
    • US14813456
    • 2015-07-30
    • International Business Machines Corporation
    • Norie IwasakiSosuke MatsuiTsuyoshi MiyamuraTerue WatanabeNoriko Yamamoto
    • G06F11/14G06F17/30
    • G06F11/1451G06F11/1464G06F17/30117G06F2201/84
    • An information processing apparatus, backup method, and program product that enable efficient differential backup. In one embodiment, an information processing apparatus for files stored in a storage device includes: a metadata management unit for managing metadata of files stored in the storage device; a map generation unit for generating a map which indicates whether metadata associated with an identification value uniquely identifying a file in the storage device is present or absent; and a backup management unit for scanning the metadata to detect files that have been created, modified, or deleted since the last backup, and storing at least a data block and the metadata for a detected file in a backup storage device as backup information in association with the identification value.
    • 信息处理设备,备份方法和程序产品,可实现高效的差异备份。 在一个实施例中,用于存储在存储设备中的文件的信息处理设备包括:元数据管理单元,用于管理存储在存储设备中的文件的元数据; 地图生成单元,用于生成表示是否存在与存储装置中唯一地识别文件的识别值相关联的元数据的映射; 以及用于扫描元数据以检测自上次备份以来已经被创建,修改或删除的文件的备份管理单元,以及将检测到的文件的至少一个数据块和元数据存储在备份存储设备中作为关联的备份信息 具有识别值。
    • 62. 发明申请
    • TIME-DELAYED REPLICATION FOR DATA ARCHIVES
    • 数据存档的时间延迟复制
    • US20150154271A1
    • 2015-06-04
    • US14094689
    • 2013-12-02
    • INTERNATIONAL BUSINESS MACHINES CORPORATION
    • Norie IwasakiKatsuyoshi KatoriKoichi MasudaTomokazu NakamuraTakeshi NohtaJoseph M. Swingler
    • G06F17/30
    • G06F17/30581G06F17/30073G06F17/30079G06F17/30085G06F17/30312G06F17/30575G06F17/30598
    • In one embodiment, an apparatus includes a processor and logic integrated with and/or executable by the processor configured to cause the processor to receive data to store to a first cluster, store one or more copies of the data to the first cluster, and set a time-delayed copy consistency point time-delayed cops consistency point indicating an amount of time in which data stored to the first cluster is aged prior to being copied from the first cluster to a second cluster. In another embodiment, a method for time-delayed replication includes receiving data to store to a first cluster, storing one or more copies of the data to the first cluster, and setting a time-delayed copy consistency point, the time-delayed copy consistency point indicating an amount of time in which data stored to the first cluster is aged prior to being copied from the first cluster to a second cluster.
    • 在一个实施例中,一种装置包括处理器和由处理器集成和/或可执行的处理器,该处理器被配置为使处理器接收数据以存储到第一集群,将数据的一个或多个副本存储到第一集群,并设置 时间延迟的复制一致性点延迟的警察一致性点,指示在从第一集群复制到第二集群之前将存储到第一集群的数据老化的时间量。 在另一个实施例中,一种用于时间延迟复制的方法包括接收数据以存储到第一集群,将数据的一个或多个副本存储到第一集群,以及设置时间延迟复制一致性点,时间延迟复制一致性 指示在从第一集群复制到第二集群之前,将存储到第一集群的数据老化的时间量。