Subject: RE: [Ips] Sequencing of UA and I/O from aborted tasks in Clear Task Set, and LUN Reset

From: Julian Satran <[email-masked]>
Date: Wed, 11 Feb 2004 14:31:11 -0800

Dear all,

As alluded earlier the text for the Clear Task set TM function needs at 
least a change (to plural for session) to make it more precise.
Also if we want to consider the fact taht some of the "sessions" may be 
non-iSCSI (e.g., FCP) we may want to be "softer" on how the target assures 
ordering.

The current text on page 128 says:

----------------------------------
The target:

         a) Receives the ABORT TASK SET/CLEAR TASK SET request.
         b) Waits for all target transfer tags to be responded to
             and for all affected tasks in the task set to be
             received.
         c) Propagates the command to and receives the response from
             the target SCSI layer.
         d) Takes note of last-sent StatSN on each of the
             connections in the session, and waits for
             acknowledgement of each StatSN (may solicit for
             acknowledgement by way of a NOP-In).
         e) Sends the task set management response.

__________________________

Mallikarjun and I suggest we change d & e to:

d) Takes note of last-sent StatSN on each of the connections 
in the iSCSI sessions (one or more) sharing the affected task set, 
and waits for acknowledgement of each StatSN (may solicit 
for acknowledgement by way of a NOP-In). 
If some tasks originate from non-iSCSI I_T_L nexi then the means by which 
the target insures that all affected tasks have returned to the initiator 
their status are defined by the specific protocol.

e) Sends the task set management response to the issuing
initiator.

--------------------

Please observe that the change is purely editorial.

Julo

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