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The following CacheFS terms are used in this chapter: - back filesystem
The filesystem that is cached is called the back filesystem.
HP-UX currently supports only NFS as the back filesystem type. - front filesystem
The local filesystem that is used to store the cached data
is called the front filesystem. HFS and VxFS are the only supported
front filesystem types. - cold cache
File data that has not yet been cached in a front filesystem
is called the cold cache. - cache miss
An attempt to reference data that has not been cached is
called a cache miss. - warm cache
A cache that contains data in its front filesystem
is called a warm cache. In this case, the cached data can be returned
to the user without requiring any action from the back filesystem. - cache hit
A successful attempt to reference data that has
been cached is called a cache hit.
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