Support for automatic caching is a characteristic of the cache area. The attributes of a cache area define its association type.

The attributes of a cache area are:

This attribute sets the cache area for automatic caching. All volumes on the system are cached unless you explicitly disable caching for that volume. Storage Foundation (SFW) supports a single auto cache area. You can choose not to have an auto cache area for your system.

The cache area is not enabled for automatic caching. You must explicitly link the volumes to the cache area with noauto attribute.