Storage device and method of controlling storage device
US9256372B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 5, 2012 |
| Grant date | Feb 9, 2016 |
| Priority date | — |
| Expiry date | Dec 5, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2201/835
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
It is an object of the present invention to suppress inconsistency of mount information necessary for mounting a volume in a storage device having a primary volume and a secondary volume.The storage device according to the present invention creates a memory region storing the mount information necessary for mounting the secondary volume, saves a snapshot thereof, and presents a virtual volume which has been created by using the snapshot and the data in the secondary volume to an external device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.