Title:
BACKUP METHOD OF OPERATING STATE INFORMATION AND RESTORING METHOD OF OPERATING STATE
Document Type and Number:
Japanese Patent JP2001256069
Kind Code:
A
Abstract:
To surely restore the latest operating state immediately before system down.
In this system in which operating states in each of various control substrates 2 are controlled under batch control by a control master substrate 1, when operating state information corresponding to the control substrates 2 is simultaneously backed up not only for a flash memory 13 on the control master substrate 1 but for a hard disk 32 on a secondary backup substrate 3, the latest operating state immediately before the system down is more surely restored on a RAM 12 from the flash memory 13 and the operating state information corresponding to the control substrates 2 on the hard disk 32 in the case of restart of the system.
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Inventors:
SHIRAKI MASAHITO
Application Number:
JP2000076386A
Publication Date:
September 21, 2001
Filing Date:
March 14, 2000
Export Citation:
Assignee:
HITACHI SHONAN DENSHI
International Classes:
G06F12/16; G06F11/14; (IPC1-7): G06F11/14; G06F12/16
Attorney, Agent or Firm:
Masami Akimoto
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