Inventor
NIIDA MITSUAKI
JP4 patents
Patents
4 patentsUS6505257B2Jan 7, 2003
Multi-processor system, disk controller using the same and nondisruptive maintenance method thereof
HITACHI LTD29 citations91
US6216179B1Apr 10, 2001
System for processing an I/O request using an old program while loading a new program which upon completion used to process the I/O request
HITACHI LTD18 citations91
US5729761AMar 17, 1998
System for selecting one cluster of processors and upgrading the version of the program to be executed by the processors belonging to the selected cluster
HITACHI LTD35 citations91
US5590272ADec 31, 1996
Method and system for a high-reliable disk system
HITACHI LTD9 citations72