VSS的“部分文件支持"是什么? [英] What is VSS "partial file support"?

问题描述

http://msdn.microsoft.com/zh-CN -us/library/aa382833(v = vs.85).aspx 说:

bPartialFileSupport [in]

可选.如果此参数的值为true，则启用部分文件支持.此参数的默认值为false.

bPartialFileSupport [in]

Optional. If the value of this parameter is true, partial file support is enabled. The default value for this argument is false.

我可能已经从参数名称中猜到了.该文档会自动生成吗?该参数实际上有什么作用?

I could have guessed that from the parameter name. Is this documentation automatically generated? What does the parameter actually DO?

干杯，克里斯.

推荐答案

请参见使用部分文件":

See "Working with Partial Files":

http://msdn.microsoft.com/en-us/library/aa384986(v = vs.85).aspx

该页面的第二段说:部分文件操作通常对于维护非常大文件的编写器最有用，而其中只有一小部分在备份操作之间更改.在这种情况下，复制通常会很有用 仅更改为备份媒体的那部分.因此，部分文件操作通常(但不是排他性地)用于支持增量备份和还原操作.

The second paragraph from that page says: Partial file operations are frequently of greatest use to writers that maintain very large files, only a small fraction of which change between backup operations. This being the case, it is frequently useful to copy only that section that changed to backup media. For this reason, partial file operations are typically, but not exclusively, used to support incremental backup and restore operations.

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