Re: iSCSI: DLB's Last Call T18 comment

["Mallikarjun C." <cbm@rose.hp.com>]

David,

Agree that the text is over-restrictive.  Seems to me that the following change 
would address your comment - 

S/b "the Abort Task" W/ "an appropriate"  - in the quoted text.

Thanks.
--
Mallikarjun

Mallikarjun Chadalapaka
Networked Storage Architecture
Network Storage Solutions
Hewlett-Packard MS 5668 
Roseville CA 95747
cbm@rose.hp.com

----- Original Message ----- 
From: <Black_David@emc.com>
To: <hufferd@us.ibm.com>
Cc: <ips@ece.cmu.edu>
Sent: Monday, July 08, 2002 11:42 PM
Subject: iSCSI: DLB's Last Call T18 comment


> John,
> 
> [T.18] 6.7  SCSI Timeouts
> 
>    On a ULP timeout for a command (that carried a CmdSN of n), the iSCSI 
>    initiator MUST abort the command by either using the Abort Task task 
>    management function request, or a "close the connection" Logout if it 
>    intends to continue the session.
> 
> I think the first part is over specified - there are a number of task
> management
> commands that abort the task - if the target is really sick, something much
> more serious than Abort Task may be used that not only aborts this task,
> but others.  It's not clear whether "if it intends to continue the session"
> applies only to the logout or to both the task management command and the
> logout, nor is it clear what an initiator should do if it doesn't intend to
> continue the session.
> 
> > I do not follow your issue with T18.  Time outs can occur for reason that
> > are not something that needs more drastic action.  If fact I would assume
> > that it generally does not need other actions.
> 
> It's actually a minor issue in the text - the current text requires that
> an Abort Task be issued if the connection is not logged out with the
> intent to continue the session - it should allow any task management
> function that aborts a task to be used so that an initiator that decides
> CLEAR TASK SET or LUN RESET is appropriate doesn't also have to issue
> additional ABORT TASK functions in order to comply with the MUST.
> 
> Thanks,
> --David
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> David L. Black, Senior Technologist
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