Method and apparatus for providing system level errors in a large disk array storage system
US5935260A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 2, 1997 |
| Grant date | Aug 10, 1999 |
| Priority date | — |
| Expiry date | May 2, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F11/0727
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method of providing error to a host computer coupled to a storage system is provided. The method includes modifying a command in the storage system/computer communications protocol. The command, when received by a controller within the storage system is interpreted as being a modified command. The controller is responsive to the modified command for reading error information from its stored location within the storage system. The error information is then returned to the requesting host computer. Thus, previously unavailable error information is made available host computers coupled to the storage system without the need to add commands to the standard communications protocol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.