Method and apparatus for validating and ranking disk units for switching
US6675259B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 26, 2001 |
| Grant date | Jan 6, 2004 |
| Priority date | — |
| Expiry date | Nov 5, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F11/1092
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Method and apparatus for ensuring availability of disk units in a disk pool which may be switched between a primary system and one or more backup systems. One embodiment provides a method for ensuring accessibility of one or more disk units by a system, comprising: configuring a storage pool for the system; validating availability of the one or more disk units for the storage pool; and selecting one or more valid disk units for the storage pool. The method may further comprise ranking availability of each disk unit for the storage pool and selecting one or more valid disk units for the storage pool according to availability ranking.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.