Rebuild rollback support in distributed SDS systems
US10007582B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2016 |
| Grant date | Jun 26, 2018 |
| Priority date | — |
| Expiry date | Sep 27, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2201/875
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Methods, computing systems and computer program products implement embodiments of the present invention that include mirroring, in a distributed storage system having multiple storage nodes, data on the storage nodes. Upon the distributed storage system detecting a loss of communication with a given storage node, a log including updates to the data stored in the given storage node is recorded and, the recorded updates can be applied to the given storage node upon communication with the given storage node being reestablished. In some embodiments, the distributed storage system may be configured as a software defined storage system where the storage nodes can be implemented as either virtual machines or software containers. In additional embodiments, upon detecting the loss of communication, a redistribution of the mirrored data among remaining storage nodes is initiated upon detecting the loss of communication, and the redistribution is rolled back upon reestablishing the communication.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.