
7.2 Sense Data Analysis
7.2Sense Data Analysis
7.2.1Error information indicated with sense data
Subsection 7.2.2 onwards explain troubleshooting using sense data. For details of the following sense data, refer to Chapter 5 “Sense Data Error Recovery Methods” of the Interface Specifications.
Table 7.1 lists the definition of sense data. For details of sense data, refer to the Interface Specifications.
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 | Table 7.1 | Definition of sense data | |
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 | Sense data | 
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| Sense | Additional | Additional | 
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| sense code | 
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| key | sense code | 
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| qualifier | 
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| 3 | 0C | 03 | A write to a disk terminated abnormally. | |
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| 4 | 32 | 01 | Failed to update the defect list (due to unrecoverable error during | |
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 | write, verify error after write.). | |
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 | 40 | xx | An error occurred in  | |
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 | C4 | xx | A drive error occurred. | |
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| 1 | 1x | xx | A disk read error occurred. | |
| 3 | 1x | xx | A disk read error occurred. | |
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| E | 1D | 00 | Data discrepancy found by VERIFY command byte check. | |
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| 5 | 2x | xx | A SCSI error, such as an invalid operation code, occurred. | |
| 4 or B | 44 | xx | A hardware error occurred inside HDDs. | |
| B | 47 | xx | An interface error occurred. | |
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 | 4B | xx | An interface error occurred. | |
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 | 4E | 00 | An overlap command was issued. | |
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