RE: iSCSI: Data In PDU with S bit set

[Eddy Quicksall <eddy_quicksall@ivivity.com>]

SAM 3 says status is sent at TASK COMPLETE so if status was sent, then the
task is complete.

5.3.1 Status codes
The status codes are specified in table 23. Status shall be sent from the
device server to the application client whenever a command ends with a
service response of TASK COMPLETE or LINKED COMMAND COMPLETE.

Eddy

-----Original Message-----
From: Buck Landry [mailto:blandry@crossroads.com] 
Sent: Wednesday, February 19, 2003 8:18 PM
To: Lakshmi Ramasubramanian
Cc: ips@ece.cmu.edu; Julian_Satran@il.ibm.com
Subject: RE: iSCSI: Data In PDU with S bit set

Well, I don't see any explicit text (too bad), but..

3.5.1.5 "the last SCSI Data-in PDU passed for a command may also contain the
status if the status indicates termination with no exceptions (no sense or
response involved)"

.. implies (maybe just to me) that the SCSI task is terminated by a Data-In
PDU w/S bit set.  A further response to a terminated task would be
inappropriate methinks, unless you want to start talking about error
recovery..

Hope this helps, --buck
 
 -----Original Message-----
From: Lakshmi Ramasubramanian [mailto:nramas@windows.microsoft.com]
Sent: Wednesday, February 19, 2003 4:55 PM
To: ips@ece.cmu.edu
Subject: iSCSI: Data In PDU with S bit set


If the target sends a Data In PDU with S bit set,
can it also send a SCSI Response PDU for the same command? 

If the answer is no, there is no text in the spec that 
says a target should not send scsi response PDU.

thanks!
 -lakshmi