Title:
DISK CACHE MEMORY CONTROL METHOD FOR INFORMATION PROCESSOR
Document Type and Number:
Japanese Patent JPH06290108
Kind Code:
A
Abstract:
PURPOSE: To provide a disk cache memory control method for an information processor to cause no deterioration of the processing speed even through a direct access is given to a magnetic disk when the semiconductor memory of a magnetic disk device has a fault.
CONSTITUTION: A disk control channel 5 is provided with a disk cache control table 9 to decide whether the disk cache control should be given or not to the magnetic disk devices 2 and 3 through the channel 5. Then, it is designated that no disk cache control is performed to the device 3 containing a semiconductor memory 8 in its normal operation state. Meanwhile the disk cache control is carried out to the device 3 if the memory 8 has abnormality.
Inventors:
IGARASHI IKUKO
KOYATA SHIGENORI
YAMAZAKI AKIHIRO
TAKEMURA NOBORU
KOYATA SHIGENORI
YAMAZAKI AKIHIRO
TAKEMURA NOBORU
Application Number:
JP7553593A
Publication Date:
October 18, 1994
Filing Date:
April 01, 1993
Export Citation:
Assignee:
FUJITSU LTD
PFU LTD
PFU LTD
International Classes:
G06F12/08; (IPC1-7): G06F12/08; G06F12/08
Attorney, Agent or Firm:
Tsuchihashi Aoi