Patent ID: 7472219
Filing Date: 2008-12-30
Classification: G06F,G11B

Abstract:
1. A hybrid data-storage apparatus comprising: a recording medium having a cache area for temporarily storing data transferred from a host apparatus; a nonvolatile solid-state memory having a cache area for temporarily storing the data transferred from the host apparatus; and control means for controlling writing of the data transferred from the host apparatus, temporarily into the cache areas of the recording medium and the nonvolatile solid-state memory, wherein, the cache areas include a first write area composed of first and second storage areas for temporarily storing the data transferred from the host apparatus, a second write area having a third storage area to which data is transferred more slowly than to the first write area, and a third write area having a fifth storage area in which logical block addresses are stored, and the control means controls writing of the data transferred from the host apparatus, into the first write area, the second write area or the third write area, in accordance with a command from the host apparatus instructing that the data transferred from the host apparatus be recorded.