Omission of RBC READ CAPACITY command in SPC4r11

Ralph Weber roweber at
Fri Jan 11 10:33:54 PST 2008

* From the T10 Reflector (t10 at, posted by:
* Ralph Weber <roweber at>
Dear Mr. Wilcox,
You can expect to see this corrected in SPC-4 r12.
All the best,
Matthew Wilcox wrote:
> * From the T10 Reflector (t10 at, posted by:
> * Matthew Wilcox <matthew at>
> *
> In table C.2 (part 2 of 6) on page 475, the READ CAPACITY command
> (opcode 25h) is not listed as being mandatory for RBC devices.
> I believe this to be an omission based on section 5.3 of the rbc-r10a
> PDF.	Could this be corrected?
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