It supports both local disk caching as well as caching in memory.

它既支持本地磁盘缓存，也支持内存中的缓存。

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Local disk caching allows the NIM master to avoid having to use NFS to write to the client.

本地磁盘缓存允许NIM主机不必使用nfs来写入客户机。

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When an OpenAFS client is configured to do local disk caching, it conventionally stores caching-related data in a directory labeled /usr/vice/cache.

在将 OpenAFS 客户端配置成进行本地磁盘缓存时，它通常会在标记为 /usr/vice/cache 的目录中存储与缓存相关的数据。

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Write caching could allow the hard disk drive to stay in a lower power non-spinning state for longer periods of time, extending battery life for the notebook computer.

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Perhaps the biggest gain may be in dual storage computers where a flash memory device is used for storing operating systems, software and frequently accessed content (and maybe even for write caching) while a hard disk drive provides much less expensive mass storage of user data.

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Of course the total energy used by a hard disk drive depends upon the actual usage and power saving modes, and caching of data can reduce the energy used by a HDD in a computer system.

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