Coordinated access to a file system's shared storage using dynamic creation of file access layout
US9727578B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 28, 2012 |
| Grant date | Aug 8, 2017 |
| Priority date | — |
| Expiry date | Feb 15, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L67/1097
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Embodiments of the invention relate to supporting coordinated access to a clustered file system's shared disk storage subsystem by using dynamic creation of file access layout for different workloads and access patterns. Active file servers in the cluster have equivalent access to shared data of said file system. In one embodiment, a particular file server in the cluster is configured to coordinate the file system's layout. The particular file server, in response to a particular client's request for a layout of a file stored by said file system in said subsystem determines a file access layout for a parallel file access protocol to use when servicing an I/O request by said client, marks said layout as active for the client, and sends the layout to the client. The file access layout is determined based on one or more of current file system resources, a specific workload type and a specific byte-range of the file included in the client request, and properties of the file. The layout includes a set of file servers in said cluster and byte ranges of the file, and the byte-range being associated with a particular server among the set.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.