Automated backup and restore of a disk group
US11176001B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 8, 2018 |
| Grant date | Nov 16, 2021 |
| Priority date | — |
| Expiry date | Sep 2, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2201/84
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Restoring a clustered database having a plurality of nodes each having database from a failed storage device by receiving a request to restore a backup image of a failed shared storage device associated with the clustered database to a time; performing a preflight check including at least one checklist process; terminating the restore when any checklist process fails; when each checklist process succeeds completing the restore by creating at least one flashcopy associated with the backup image, mapping to each of the plurality of nodes an associated portion of the at least one flashcopy, mounting the at least one flashcopy to the node as a diskgroup, and switching the clustered database to run from the diskgroup.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.