Method and apparatus for providing system level errors in a larg

Details Method and apparatus for providing system level errors in a larg Method and apparatus for providing system level errors in a larg

1997-05-02

1999-08-10

Beausoliel, Jr., Robert W.

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

G06F 1100

Patent

active

059352604

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.

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