SYSTEM AND METHOD OF DYNAMIC HARDWARE RECONFIGURATION DURING FAILURE OF DEVICE IN A LOCK-STEP CONFIGURATION TO IMPROVE AVAILABILITY
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Sep 3, 2024
filing date -
Sep 3, 2024
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status (Latency Note)
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Abstract
A hardware reconfiguration system for first and second devices is in a lock-step configuration using a comparator that provides a lock-step error indication. The system includes at least one register that stores a lock-step threshold. The system also includes a lock-step monitor configured to compare a count of occurrences of the lock-step error indication from the comparator with the lock-step threshold. When the lock-step threshold is reached, the lock-step monitor is configured to enter a repair state to determine which one of the first and second devices is operating correctly and reconfigure operation into a split-lock mode to resume operation using the one of the first and second devices that is operating correctly.
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