Disk array unit
US6583947B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 26, 1999 |
| Grant date | Jun 24, 2003 |
| Priority date | — |
| Expiry date | Aug 26, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02D10/00
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A disk array unit connected to a host unit to give information thereto and receive information therefrom. The disk unit includes a plurality of disk units for storing information transmitted from the host unit and a management information recording device, formed by utilizing information storage areas in the disk units, for causing information relating to a logical unit for storing information from the host unit to correspond to information relating to the units. The invention further includes a control unit, when there is no access from the host unit to the logical unit for a predetermined time, for determining the disk units corresponding to the logical unit based on information recorded in the management information recording device and performing power saving of power supply for the disk units.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.