Information storage system
US10114691B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 21, 2014 |
| Grant date | Oct 30, 2018 |
| Priority date | — |
| Expiry date | Aug 19, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F11/079
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Provided is an information storage system including a first storage apparatus configured to provide a first logical volume, a second storage apparatus configured to provide a second logical volume, and a quorum accessed from the first storage apparatus and the second storage apparatus and including information regarding states of the first storage apparatus and the second storage apparatus. The second storage apparatus is configured to, after detecting communication failure with the quorum, halt use of the quorum and check communication with the first storage apparatus for failure before responding to the host for each of read and write commands sent from the host.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.