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scsi-sense-key · shipping · also sense key

SCSI sense key

A SCSI sense key is a four-bit field identifying the broad category of a condition reported in sense data.

Related Observatory article: SCSI sense key on hesela.com

Interpret the category with the ASC/ASCQ pair and command context; the key alone is not a physical root-cause diagnosis. [1] Field locations differ between fixed and descriptor formats, so decode the response code before reading the key. [2]

Relations

related
scsi, scsi-check-condition, additional-sense-code, additional-sense-code-qualifier

Citations

  1. T10: SCSI sense-key assignments (accessed 2026-10-13)
  2. Linux v6.12: scsi_normalize_sense, fixed and descriptor field extraction (accessed 2026-10-13)
  3. Media error or link error? SCSI sense codes and Linux ATA logs (accessed 2026-10-13)

JSON: /data/terms/scsi-sense-key.json