| 摘要 |
An apparatus and method for detecting an interface failure of a first interface of a first expander of a storage system, and retrieving state information from a second expander to the first expander using a second interface of the first expander when the interface failure of the first interface is detected. The state information is normally available to the first expander through the first interface, but is unavailable through the first interface due to the interface failure of the first interface.
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