Key Code Qualifier: Difference between revisions

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Revision as of 00:57, 22 February 2024 edit Urban Versis 32 (talk \| contribs) Extended confirmed users, Pending changes reviewers 6,225 edits Adding short description: "Type of SCSI error code" Tag: Shortdesc helper ← Previous edit		Latest revision as of 22:16, 9 December 2024 edit undo Liz (talk \| contribs) Autopatrolled, Checkusers, Oversighters, Administrators 842,431 edits Removing link(s) to "SCSI CDB": Deleted PROD. Tag: Twinkle
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Line 4: '''Key Code Qualifier''' is an error-code returned by a [[SCSI]] device. When a SCSI [[SCSI target\|target]] device returns a ~~[[SCSI~~ check condition~~\|check condition]]~~ in response to a [[SCSI command\|command]], the [[SCSI initiator\|initiator]] usually then issues a [[SCSI Request Sense Command\|SCSI Request Sense command]]. This process is part of a SCSI protocol called ~~[[SCSI contingent allegiance condition\|~~Contingent Allegiance Condition]]. The target will respond to the Request Sense command with a set of [[SCSI Request Sense Command\|SCSI sense data]] which includes three fields giving increasing levels of detail about the error: K - sense key - 4 bits, (byte 2 of Fixed sense data format) C - additional sense code (ASC) - 8 bits, (byte 12 of Fixed sense data format) Line 209: \|5\|\|21\|\|00\|\|Illegal Request - LBA out of range \|- \|5\|\|24\|\|00\|\|Illegal Request - invalid field in ~~[[SCSI~~ CDB~~\|CDB]]~~ (Command Descriptor Block) \|- \|5\|\|25\|\|00\|\|Illegal Request - invalid LUN