Extent-level reserve and release for a direct access storage device (DASD) volumes
US10303380B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 10, 2014 |
| Grant date | May 28, 2019 |
| Priority date | — |
| Expiry date | Nov 6, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0659
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In one embodiment, a computer program product for managing a reserve command includes a computer readable storage medium having program code embodied therewith, the program code readable and/or executable by a processor to receive, by the processor, a request to access a data set on one or more volumes of at least one direct access storage device (DASD), the request including a reserve command, and each of the one or more volumes including a consecutive set of one or more tracks of the at least one DASD, and reserve one or more extents of the at least one DASD while reserving less than a volume of the at least one DASD and not allowing any other entity than an entity which requested the reserve to access the one or more extents of the at least one DASD that have been reserved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.