Incremental backup operations in storage networks

存储网络中的增量备份操作

Abstract

描述了示范存储网络体系结构、数据体系结构以及用于在存储网络中执行备份操作的方法。一种示范方法可在存储网络中的处理器中实现。该方法包括:在第一时间点产生源卷的快照克隆;同时激活在逻辑上链接到快照克隆的第一快照差别文件;将改变源卷中的数据集的I/O操作记录到第一快照差别文件中;关闭第一快照差别文件;在第一时间点之后,在第二时间点产生快照克隆的备份副本;以及在第二时间点之后,在第三时间点产生第一快照差别文件的备份副本。

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