Retention management in a worm storage system
US9639540B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 25, 2011 |
| Grant date | May 2, 2017 |
| Priority date | — |
| Expiry date | Mar 3, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/2343
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A write-once-read-many, WORM, storage system is arranged to store datasets each with associated attributes including a WORM attribute indicating the dataset's WORM status, and to protect from change or deletion WORM datasets, and at least certain of their attributes including those relevant to WORM status. Retention management capabilities are provided for such a storage system, including the ability to set a given dataset for retention for a particular retention period by storing a corresponding retention date in an attribute of the dataset, and setting the WORM attribute to indicate that the dataset is a WORM dataset. Also provided is the ability to determine expiry of the retention period for the given dataset, and then to remove the stored retention date and change the WORM attribute of the dataset to indicate that it is no longer a WORM dataset.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.