| 摘要 |
<P>PROBLEM TO BE SOLVED: To decrease a frequency of monitoring of data servers by a management server for reducing a load of the management server, but properly perform data writing of a client without increasing failure. <P>SOLUTION: A data distribution system comprises: a plurality of database units 11, 12 and 13; a management server 2 which monitors operation states of respective database units, creates information about the operation states of the respective database units, and discloses the information in a browsable manner; and a client 3 which selects the writable database unit 13 on the basis of the information about the operation states of the respective database units, and when data cannot be written in the selected database unit 13 in spite of the information about the operation states of the respective database units in a step S13, causes the management server 2 to update the operation state of the selected database unit 13 from a writable state to a non-writable state in a step S14. <P>COPYRIGHT: (C)2013,JPO&INPIT |
