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    • 6. 发明授权
    • Efficient application-aware disaster recovery
    • 高效的应用感知灾难恢复
    • US09063822B2
    • 2015-06-23
    • US13224794
    • 2011-09-02
    • Manoj K. ValiyaparambilAmit SinglaVijay SenAbid Ali
    • Manoj K. ValiyaparambilAmit SinglaVijay SenAbid Ali
    • G06F11/00G06F9/44G06F11/14
    • G06F8/658G06F11/1451G06F11/1453G06F11/1464G06F11/1469G06F2201/815
    • Embodiments are directed to efficiently backing up portions of data and to performing a scoped data recovery. In an embodiment, a computer system preloads data images with data corresponding to various different software applications or operating systems. The computer system chunks the data images, so that each data image is divided into multiple data chunks, and where each data chunk is represented by a hash value. The computer system then receives, from a user, portions of delta data representing data differences between the received user data and the data in the preloaded data images. The computer system also generates a logical backup representation that includes the data chunk hash values for the preloaded data images as well as the delta data received from the user. This logical representation allows restoration of the user's data using only the hash values and the delta data.
    • 实施例旨在有效地备份数据的部分并执行范围数据恢复。 在一个实施例中,计算机系统使用与各种不同的软件应用或操作系统对应的数据来预加载数据图像。 计算机系统块数据图像,使得每个数据图像被划分成多个数据块,并且其中每个数据块由哈希值表示。 计算机系统然后从用户接收表示接收到的用户数据与预加载的数据图像中的数据之间的数据差异的增量数据的一部分。 计算机系统还生成包括用于预加载的数据图像的数据块哈希值以及从用户接收的增量数据的逻辑备份表示。 该逻辑表示允许仅使用哈希值和增量数据来恢复用户的数据。