00-140r3 - SAM-2 Task Identifier Readability Enhancements and Addition of Nexus to SAM-2

Ralph Weber ralphoweber at CompuServe.COM
Mon Aug 14 09:36:34 PDT 2000

* From the T10 Reflector (t10 at t10.org), posted by:
* Ralph Weber <ralphoweber at compuserve.com>
A proposal for consideration at the September meetings has
been placed on the T10 FTP site as:

< ftp://ftp.t10.org/t10/document.00/00-140r3.pdf >

The proposal contains tables and other features that cannot be
translated to ASCII for reflector distribution.  You will need
to download the PDF to review the proposal.

The proposal can be summarized as follows:

Doc:  T10/00-140r3
Date: 16 July 2000
To:   T10 Technical Committee
From: Ralph Weber (ENDL Texas)
Subj: SAM-2 Task Identifier Readability Enhancements and
      Addition of Nexus to SAM-2

r0 of this proposal presented the problems and suggested solutions.

r1 proposed a collection of specific changes, including the addition
of a clause describing the SCSI nexus concept and relating nexus to
other SAM-2 objects. Once introduced, it is proposed that the nexus
concept (object) be used at several convenient locations in SAM-2,
most particularly in the definitions of the task set management
functions. N.B. Preparation of this proposal included a review SCSI-2
to ensure minimal changes between the proposed nexus usage and the
SCSI-2 usage.

r2 contains corrections and enhancements proposed by the May working
group. r2 also includes the changes needed to meet the new routine
prototype notation for input and output parameters.

r3 eliminates the concept of 'nexus perspective' as requested by the
July working group. Also, an agreed notation for routine prototypes is
reflected in r3.

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