Disk storage apparatus and data storage method
US8947815B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 31, 2013 |
| Grant date | Feb 3, 2015 |
| Priority date | — |
| Expiry date | Jul 31, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B33/14
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
According to one embodiment, a disk storage apparatus includes a disk, a detector, and a controller. The disk includes a first recording area for recording with a first track density, and a second recording area for recording with a second track density lower than the first track density. The detector is configured to detect a variation of an outside environment. The controller is configured to select a nonvolatile memory or the second recording area as a storage destination of write data transferred from a host, based on a content of the variation of the outside environment detected by the detector, and a state of capability or incapability of storage of the nonvolatile memory.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.