Point-in-time copy restore
US11132264B2 · kind B2 · utility
0Cited by
22References
17Claims
0Family size
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Key dates
| Filing date | May 28, 2019 |
| Grant date | Sep 28, 2021 |
| Priority date | — |
| Expiry date | Nov 25, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2201/84
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Managing storage volumes in a point-in-time copy cascade. The cascade includes a first source volume, a first target volume and a second target volume. The method detects a corruption of the first source volume and, if a first restoration of the first source volume from the first target volume is in progress, creates a third target volume from the second target volume and directs I/O operations for the first source volume to the third target volume. The first source volume is then restored from the third target volume.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.