Definition: Unrecoverable Error


A read error that cannot be overcome by an ECC scheme or by rereading the data when host retries are enabled.




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Data Recovery Fact

Head Crash

A head crash is the damage caused by the heads coming in contact with the magnetic surface of the media (platters). The crash causes damage to the read heads and scratches in the magnetic coating. Data that was stored in the scratched area cannot be recovered. Shavings and dust from one head crash may cause crashes on the other surfaces.

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