Storage apparatus and recording medium
US10514851B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 5, 2016 |
| Grant date | Dec 24, 2019 |
| Priority date | — |
| Expiry date | Mar 2, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2201/84
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Generating a snapshot of a volume storing a snapshot and Suppressing response time. When receiving from a host computer write data to be written into a target slot in a target volume among multiple volumes, a processor adds to management information a fact that data in the target slot in the target volume has not been finalized, writes the write data into a target cache area in a memory, and transmits a response to the host computer. Before referring to the target data in the target slot of the target volume, the processor determines whether or not the target data has been finalized on the basis of the management information. When the target data is determined as not having been finalized, the processor performs a finalization process for finalizing the target data and refers the target data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.