Reg: Modifications to "Request Sense" command

Sarnath Kannan stellium_79 at
Wed Dec 24 00:01:51 PST 2003

* From the T10 Reflector (t10 at, posted by:
* "Sarnath Kannan" <stellium_79 at>

Ref: SPC (SCSI Primary Commands)

I have a small suggestion on the way sense-data is handled by targets.

If REQUEST_SENSE had the ability to point out which task's sense-data is 
needed then lot of trouble could have been eliminated. The REQ_SENSE CDB 
needs to carry only an additional TAG for this purpose. If this is 
implemented by SCSI targets, CA, ACA etc are not required.

This feature could optionally be supported by future SCSI targets. 
(reflected in one of the mode pages.)


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