scsi-block-commands · unknown · also SBC

SCSI Block Commands

SCSI Block Commands specifies device-type commands for block-oriented direct-access devices, including magnetic disks and solid-state devices.

SBC addresses the block-device command model, not the physical interconnect. It is distinct from SSC for sequential-access devices and SMC for medium changers. [1]

The presence of a command in a standards family is not evidence that a particular device implements it. Match the device type, relevant command-standard revision and actual capabilities; neither a SCSI label nor a connector name is enough. [2]

Relations

related
SCSI, INCITS T10 SCSI, SCSI Architecture Model, SCSI Primary Commands

Citations

  1. T10 working drafts: SAM, SPC and device-type command families; descriptive index, not normative text (accessed 2026-11-10)
  2. INCITS 513-2015 (R2020), SPC-4 public preview: introduction p. xli and clause 1 p. 1 (accessed 2026-11-10)

Further reading

  1. Hesela: SCSI command, logical-unit and transport boundaries (accessed 2026-11-10)
Sources & caveats
  • Foundational standards-family definition; public descriptive sources and the SPC-4 preview reviewed, not full restricted standards or device conformance.

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Hesela team. SCSI Block Commands. Hesela. 2026-11-10. https://hesela.dev/terms/scsi-block-commands/