Method and system allowing direct data access to a shared data storage subsystem by heterogeneous computing systems
US5926833A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 24, 1997 |
| Grant date | Jul 20, 1999 |
| Priority date | — |
| Expiry date | Mar 24, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0674
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method and system are provided which allow heterogeneous computing systems to have direct access to the same data storage areas on a shared data storage subsystem such that the method and system are transparent to the heterogeneous computing systems. The method and system achieve the foregoing via the following steps. A data storage subsystem controller queries all computing systems having direct access to the same data storage areas of a shared data storage subsystem as to the operating systems utilized by such computing systems. In response to answers received in response to the queries, the data storage subsystem controller creates and stores meta-data which associates each computing system having direct access with whatever operating system is running on each computing system having direct access. In response to a request from a computing system having direct access for access to a data storage area within the shared data storage subsystem, the data storage subsystem controller retrieves the stored meta-data associated with the computing system which is requesting access to a data storage area within the shared data storage subsystem. The data storage subsystem controller uti…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.