SAS-2 rev.15 Missing Sync lost message definition

Elliott, Robert (Server Storage) Elliott at hp.com
Tue Dec 2 08:17:33 PST 2008


* From the T10 Reflector (t10 at t10.org), posted by:
* "Elliott, Robert (Server Storage)" <Elliott at hp.com>
*
The SP receiver detects ALIGNs, TRAIN_DONEs, and Dwords and sends them as
ALIGN Received, TRAIN_DONE Received, and Dword Received messages.  See figure
35 on page 72.
If dword synchronization has been lost, however, it stops sending those
messages.  SP_DWS tells the SP receiver that dword synchronization has been
lost using the Sync Lost message.  See this wording on page 285:
"The ALIGN Received, Dword Received, and TRAIN_DONE Received messages are
only sent after the SP_DWS state machine has achieved dword synchronization."
________________________________
From: owner-t10 at t10.org [mailto:owner-t10 at t10.org] On Behalf Of Samek
Sent: Thursday, November 27, 2008 1:46 PM
To: t10 at t10.org
Subject: SAS-2 rev.15 Missing Sync lost message definition
SP_DWS (6.9) defines a Sync Lost message sent by the SP_DWS state machine to
the SP receiver, however there is no definition anywhere what the SP receiver
should do with this message. Any suggestions?
Happy Thanksgiving
Samek Mokryn
President
Halstor Inc.
www.halstor.com
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