| 摘要 |
PROBLEM TO BE SOLVED: To shorten a time required for disk cache data recovery carried out in restarting of a system when an abnormal condition occurs in the system. SOLUTION: In detection of an abnormal condition, a main body system monitoring function for a main body system monitoring board 4 notifies a disk control processing board 3 of this abnormal condition. In the disk control processing board 3, a disk cache fetching program is started to perform processing for reading information about the disk cache from a memory of the main body board 1 and reflecting it in the disk 2, while this processing result and a processing termination time are written in a cache reflection log file 16 as reflection log information.
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