Title:
SELF-DIAGNOSTIC SYSTEM FOR SCSI DEVICE
Document Type and Number:
Japanese Patent JP3183912
Kind Code:
B2
Abstract:
PURPOSE: To shorten the processing time of a self-diagnostic command for initialization even in the device requiring a long time for self-diagnostic operation.
CONSTITUTION: In the self-diagnosis system of a small computer system interface SCSI device which executes commands from a host computer through an SCSI, prescribed self-diagnosis is executed at the time of initialization of the SCSI device, and the result is stored, and the stored prescribed self-diagnostic result is returned if a receive diagnostic result command is received without reception of a send diagnostic command after initialization. After the unit attention state is cleared, the good status is returned without prescribed self-diagnostic operation in response to the send diagnostic command which is first received to request prescribed self-diagnosis.
Inventors:
Hideki Hosoya
Application Number:
JP20566191A
Publication Date:
July 09, 2001
Filing Date:
July 23, 1991
Export Citation:
Assignee:
Canon Inc
International Classes:
G06F3/06; G06F13/00; G06F13/14; (IPC1-7): G06F13/00; G06F3/06
Domestic Patent References:
| JP272463A | ||||
| JP6146540A |
Attorney, Agent or Firm:
Johei Yamashita