SAS Programmed Physical Link Rates
Elliott, Robert (Server Storage)
elliott at hp.com
Wed Oct 8 16:17:40 PDT 2003
* From the T10 Reflector (t10 at t10.org), posted by:
* "Elliott, Robert (Server Storage)" <elliott at hp.com>
> -----Original Message-----
> From: Gil Romo [mailto:gil.romo at qlogic.com]
> Sent: Wednesday, October 08, 2003 5:10 PM
> To: t10 at t10.org
> Subject: SAS Programmed Physical Link Rates
> * From the T10 Reflector (t10 at t10.org), posted by:
> * Gil Romo <gil.romo at qlogic.com>
> I feel the standard is incomplete in the description of this subject.
> The SMP Discover response frame contains pairs of hardware
> and programmed
> physical link rate values. It is the programmed physical
> link rate values that
> should be used during the phy reset sequence, right?
> Clause 6 uses terms such as "lowest supported", "slowest
> supported", and
> "highest supported" physical link rates.
Since clause 6 is not strictly for expanders, tying it to the
PROGRAMMED field names may be misleading too.
We can work on lowest/slowest and highest/fastest consistency.
> Subclause 7.13 uses "MAXIMUM PHYSICAL LINK RATE", which is
> not the complete field name.
It should have PROGRAMMED in front of it.
> Gilbert Romo
> Circuits & Integration
> QLogic Corporation, Aliso Viejo, California
> Office: 949-389-6266
> E-mail: gil.romo at qlogic.com
Rob Elliott, elliott at hp.com
Hewlett-Packard Industry Standard Server Storage Advanced Technology
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