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The following CacheFS terms are used in this chapter: - back filesystem
A filesystem that is cached is called a back filesystem.
HP-UX currently supports only NFS as the back filesystem. - front filesystem
A local filesystem that is used to store the cached
data is called a front filesystem. HFS and VxFS are the only supported
front filesystem types. - cold cache
A cache that has not yet been populated with data
from the back filesystem is called cold cache. - cache miss
An attempt to reference data that is not yet 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 an action from the back filesystem. - cache hit
A successful attempt to reference data that is cached
is called a cache hit.
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