| 摘要 |
A DGP, upon detecting the occurrence of a fault in an IOP that controls a CH, causes another IOP that can control the CH to control the CH and reports to an EPU the occurrence of the fault in the CH and the recovery from the fault. The DGP stores information in a CH configuration table indicating that the other IOP is controlling the CH. Upon receiving the reports of the occurrence of the fault in the CH and the recovery, the EPU refers to the CH configuration table, verifies that the other IOP is controlling the CH, and provides data transfer instructions to the other IOP.
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