CLEAR TASK SET task management function

Sheffield, Robert L robert.l.sheffield at
Tue Feb 27 15:20:16 PST 2007

* From the T10 Reflector (t10 at, posted by:
* "Sheffield, Robert L" <robert.l.sheffield at>
A quick poll of stakeholders at my company didn't yield any dependencies
on the use of CLEAR TASK SET. However there's nothing in our products
that would prevent an application client from sending CLEAR TASK SET if
it needed to.
-----Original Message-----
From: owner-t10 at [mailto:owner-t10 at] On Behalf Of Elliott,
Robert (Server Storage)
Sent: Friday, February 23, 2007 1:50 PM
To: t10 at
Subject: CLEAR TASK SET task management function
Does any SCSI software other than test software actually use the CLEAR
SET task management function? CLEAR TASK SET clears tasks from all I_T
If so, would that software be happy to use one of these instead? 
a) ABORT TASK SET - just clear tasks from the same I_T nexus; or 
b) LOGICAL UNIT RESET - clear tasks from all I_T nexuses and wipe out
state information 
Rob Elliott, elliott at
Hewlett-Packard Industry Standard Server Storage Advanced Technology
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