| 摘要 |
A link configuration and state management method using a shared memory is provided to improve performance of an overall system by generating a shared memory and a link information table, adding and deleting a link, and recovering a generated failure. When a system starts, a link information table and a shared memory are generated and initialized(S01). A file regarding link configuration information of the system is read(S02) and sets link configuration and state information is set in the link information table(S03). A configuration state control process enters a standby state(S04). When a link configuration addition/deletion request command is received from the system or an operator(S05), it is checked whether the command link configuration addition request command(S06). In case of the link configuration addition request command, a process for adding link configuration is performed(S07) and sets the added link configuration information in the link information table(S08). In case of the link configuration deletion request command, a process for deleting a link configuration is performed(S10). A processing result is reported to a management system or the operator(S09). When failure generation or recovery information with respect to a link is received from a management system(S11), it is checked whether the information is the failure generation information(S12). In case of the failure generation information, a failure processing is executed(S13) and failure generation information is set in the link information table(S14). The failure generation information and the processing result are reported to the management system(S15).
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