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ERROR_DATA_CHECKSUM_ERROR
A checksum detected corrupted data
ERROR_DATA_CHECKSUM_ERROR means stored or transferred data no longer matches its integrity checksum. The error should be treated as possible corruption, not as a cosmetic validation warning.
Immediate actions
- Stop overwriting the only copy of the affected data.
- Retry from a known-good replica or backup when available.
- Inspect disk, controller, memory, and transport health.
- Correlate with file-system and hardware event logs.
Resolution
Restore the damaged data from a verified source and investigate the layer that altered it. A successful later read does not erase evidence of an integrity failure.
References
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