SPC Inquiry for Quad-Aligned Zero -- deprecated since SPC-4 maybe

Mike Berhan mikeb at bustrace.com
Thu Jan 3 11:05:54 PST 2008


* From the T10 Reflector (t10 at t10.org), posted by:
* "Mike Berhan" <mikeb at bustrace.com>
*
> What is wrong with TEST UNIT READY as a way to validate Command Out
> and Status In processing?
Two reasons come to mind:
1.)  Some pseudo devices do not support TUR.  Only Inquiry and their vendor
unique CDBs.
2.)  Perhaps the software making the call doesn't want to clear out any
pending Unit Attention.
Mike
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