Storage device and method for controlling the same
US8850087B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 5, 2012 |
| Grant date | Sep 30, 2014 |
| Priority date | — |
| Expiry date | Dec 5, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0689
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present invention provides the function of dynamically switching the allocation of snapshot data in a pool according to the use status of the pool. More specifically, the present invention provides the function of dynamically switching a storage mode to be applied to the pool from a storage mode in which the snapshot data is aggregated in a specific pool volume to a storage mode in which the snapshot data is distributed to plural pool volumes, or from the storage mode in which the snapshot data is distributed to the plural pool volumes to the storage mode in which the snapshot data is aggregated in the specific pool volume, according to the use status of the pool.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.