RE: iSCSI 07-95 Comment 3 -Task Management

[Robert Snively <rsnively@Brocade.COM>]

David,

These are restrictions that you have placed on iSCSI that
are beyond those of SCSI.

Bob

> -----Original Message-----
> From: Black_David@emc.com [mailto:Black_David@emc.com]
> Sent: Wednesday, September 26, 2001 4:03 PM
> To: tdineen@redswitch.com; ips@ece.cmu.edu
> Subject: RE: iSCSI 07-95 Comment 3 -Task Management
> 
> 
> An implementation can choose when in time it chooses to
> execute the task management command, but the effects visible to
> the Initiator must be as if it was executed in CmdSN order
> For example, if an Abort Task passes the task that it is
> supposed to abort on a different connection and the Abort Task
> has a higher CmdSN, the Target may immediately respond to the
> Abort Task, but in that case, it MUST NOT execute the
> "aborted" task when it arrives.  I agree that this could
> use some further explanation in the draft.
> 
> --David
> 
> ---------------------------------------------------
> David L. Black, Senior Technologist
> EMC Corporation, 42 South St., Hopkinton, MA  01748
> +1 (508) 435-1000 x75140     FAX: +1 (508) 497-8500
> black_david@emc.com       Mobile: +1 (978) 394-7754
> ---------------------------------------------------
> 
> 
> > -----Original Message-----
> > From: Thomas Dineen [mailto:tdineen@redswitch.com]
> > Sent: Tuesday, September 25, 2001 7:58 PM
> > To: ips@ece.cmu.edu; Thomas Dineen
> > Subject: iSCSI 07-95 Comment 3
> > 
> > 
> > Gentle People:
> > 
> > Section 3.1.5 on P64
> > 
> > "Task management commands must be executed
> > as if all the commands having a CmdSN lower or equal to the task
> > management CmdSN have been received by the target (i.e., have to be
> > executed as if received for ordered delivery even when marked for
> > immediate delivery)."
> > 
> > After reading this paragraph over several times I am still having
> > trouble
> > understanding what it means. Do you mean execute the command 
> > immediately
> > while ignoring the normal order or execute the command in the normal
> > commandSN order?
> > 
> > Thomas Dineen
> > 
>