sas1r03 Annex H.16 Errors & Clarifications (re-post)

Elliott, Robert (Server Storage) elliott at hp.com
Sat Mar 13 16:35:27 PST 2004


* From the T10 Reflector (t10 at t10.org), posted by:
* "Elliott, Robert (Server Storage)" <elliott at hp.com>
*
The labels are wrong - they should be phy X and Y.  Also, figure H.15 is
incorrectly the same as figure H.14.   These will be fixed in sas1r04.

--
Rob Elliott, elliott at hp.com
Hewlett-Packard Industry Standard Server Storage Advanced Technology
https://ecardfile.com/id/RobElliott




> -----Original Message-----
> From: owner-t10 at t10.org [mailto:owner-t10 at t10.org] On Behalf 
> Of Gil Romo
> Sent: Wednesday, March 10, 2004 3:45 PM
> To: t10 at t10.org
> Subject: sas1r03 Annex H.16 Errors & Clarifications (re-post)
> 
> 
> * From the T10 Reflector (t10 at t10.org), posted by:
> * Gil Romo <gil.romo at qlogic.com>
> *
> 
> 1) It looks like Figure H.16 was copied and pasted from 
> another figure but does 
> not portray an accurate example for this situation.  
> Specifically, an STP Target 
> port (phy W) would not forward an OPEN address frame to an 
> STP Host Port (phy 
> Z).  References to STP/SATA bridge should be removed.
> 
> 2) Given phys W and Z are external expander phys, an OPEN 
> address frame received 
> message will be passed along with the transitions XL1 to XL5 
> and XL5 to XL6.  
> Thus the incoming and outgoing OPEN address frames will be 
> compared.  As is 
> evident in the absence of a backoff retry or backoff reverse 
> response in the 
> figure, the OPEN address frame received by phy Z has a lower 
> arbitration 
> priority.  Therefore, I propose an alternate description of 
> this figure, as 
> follows:
> 
> "In Figure H.16, phy Z has received an OPEN address frame 
> just before receiving 
> a Transmit Open indication.  In this scenario, the OPEN 
> address frame received 
> by phy Z has lower arbitration priority."
> 
> 3) Wouldn't this clause be better placed following H.7?
> 
> 
> ------------
> Gilbert Romo
> Circuits & Integration
> QLogic Corporation, Aliso Viejo, California
> Office: 949-389-6266
> E-mail: gil.romo at qlogic.com
> 
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