[T10] Bug in Third-party Copy VPD page
dennis.appleyard at oracle.com
Wed Jan 27 13:58:04 PST 2016
My interpretation has always been that the MAXIMUM SEGMENT LENGTH field
is 4 bytes long. The byte numbering in the byte column makes that clear.
Oracle has implemented the field as 4 bytes long.
Ralph Weber wrote:
> In the General Copy Operations third-party copy descriptor of the
> Third-party Copy VPD page SPC-5 r08 through at least SPC-4 r37a have
> inconsistently represented the size of the MAXIMUM SEGMENT LENGTH
> field. Depending on whether one reads the bytes column of the field
> format notation, the field is either 4 bytes (per the bytes column) or
> 2 bytes (per the black and white reading of the field format notation).
> An excerpted copy of the table with the problem highlighted is
> available in:
> The editorial fix is to declare the field to be 4 bytes in size and
> fix the field format accordingly.
> If the field is intended to be 2 bytes, then a change proposal will be
> required since additional changes will be required to maintain the
> descriptor's total size.
> Comments are hereby solicited from those who have implemented the
> Third-party Copy VPD page.
> All the best,
> T10 mailing list
> T10 at t10.org
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