Storage device drivers and cluster participation
US8886910B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2011 |
| Grant date | Nov 11, 2014 |
| Priority date | — |
| Expiry date | Dec 3, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F9/4411
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The representation of storage devices on computers (e.g., as logical volumes) may be complicated by the pooling of multiple storage devices in order to apply redundancy plans such as mirroring and checksumming. Presented herein is a storage device driver configured to operate as a storage device interface generating representations of the storage regions of the storage devices; to claim those regions as a storage controller; and to expose pooled storage regions as logical disks. Additionally, the storage device driver may support the inclusion of storage devices in a cluster, comprising nodes that may be appointed as managers of the storage pool configuration; as managers of the storage devices; as owners having exclusive read/write access to the storage pool or cluster resources; and as cluster resource writers having exclusive write access to a cluster resource. The nodes of the cluster may interoperate to share the storage devices while avoiding write conflicts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.