Checking data integrity of data storage systems
US10528416B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 11, 2017 |
| Grant date | Jan 7, 2020 |
| Priority date | — |
| Expiry date | Jun 25, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F11/2221
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for validating operation of a data volume on a storage medium. A data integrity component is provided which writes data blocks to the volume in a sequence, each data block storing a sequence number and also write status information specifying the sequence numbers of those preceding data blocks in the stream which are still being written to the volume at the time the data block is generated. Data validation is performed by reading back the stored data blocks from the volume and checking that the sequence numbers stored in them match those that should be present based on the sequence numbers stored in the write status information of the last-written data block found on the volume.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.