I support Katata-san.

The REQUEST SENSE command is very useful in monitoring the progress
of long-running operations, some of which have been pushed into the
background by setting the IMMED bit to one.

In fact, I have just posted a proposal to enhance this capability.

http://www.t10.org/ftp/t10/document.08/08-263r0.pdf

All the best,

.Ralph

keiji_katata@post.pioneer.co.jp wrote: 
* From the T10 Reflector (t10@t10.org), posted by:
* keiji_katata@post.pioneer.co.jp
*

In the case of autosense environment, to see the progress indication in the
sense data, you may use the request sense command alone.

Best regards,

Keiji Katata
PIONEER CORP.





Mark Overby <moverby@nvidia.com>@t10.org on 2008/06/26 11:06:24

送信者:     owner-t10@t10.org







宛先:  Eddy Quicksall <Quicksall_SCSI@Bellsouth.net>, <t10@t10.org>
cc:
件名:  Re: using Request Sense

For protocols that use autosense, probably not.
For protocols that do not have autosense, you bet. (There are quite a few wide
spread protocols that do not have autosense capability).


On 6/25/08 6:51 PM, "Eddy Quicksall" <Quicksall_SCSI@bellsouth.net> wrote:

      Since some protocols use autosense then the sense data will be cleared
      when a command creates the condition and request sense will just get back
      "no sense".

      Is there a case where request sense is still useful?

      Eddy


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