More SBC-2 items to obsolete

Ralph O. Weber roweber at IEEE.org
Sat Aug 28 06:58:25 PDT 2004


* From the T10 Reflector (t10 at t10.org), posted by:
* "Ralph O. Weber" <roweber at ieee.org>
*
Why should people have to buy two standards instead of one?

.Ralph

Lawrence Chen wrote:

>* From the T10 Reflector (t10 at t10.org), posted by:
>* "Lawrence Chen" <LawrenceChen at MaXXan.com>
>*
>Hi Jim and Bob,
>
>obsolescing commands are nice but creating an up to date
>scsi disk profile would be even better :)
>
>Best Regards,
>
>Lawrence Chen
>
>Principal Member of Technical Staff (PMTS)
>MaXXan Systems, Inc.
>
>(408) 382-6427 (V)
>(832) 382-6599 (F)
>(408) 204-2460 (C)
>
>LawrenceChen at maxxan.com
>
>
>-----Original Message-----
>From: Robert Snively [mailto:rsnively at Brocade.COM]
>Sent: Friday, August 27, 2004 3:51 PM
>To: Jim.Coomes at seagate.com; t10 at t10.org
>Cc: Robert Snively
>Subject: More SBC-2 items to obsolete
>
>
>* From the T10 Reflector (t10 at t10.org), posted by:
>* "Robert Snively" <rsnively at Brocade.COM>
>*
>Folks,
>
>In the same vein,  Brocade posted either a question or
>a statement with respect to making the following SBC-2
>items obsolete.  These should also be considered at the
>September meeting.
>
>	Question on making READ LONG obsolete.
>	Question on making WRITE LONG obsolete.
>
>		As the drives become more sophisticated, the
>		meaningfulness of the data becomes more and more
>		difficult to interpret.  I know they will be 
>		obsolete soon, but is the time already?
>
>	In FORMAT command:
>
>		Make bytes from index format address descriptor
>obsolete.
>		Make physical sector format address descriptor obsolete.
>
>	Invent a new condition of deprecated (~ "should not") in
>preparation
>	for future obsolete state and apply it to:
>
>		READ (6)
>		WRITE (6)
>
>	Make READ DEFECT DATA command obsolete.
>
>	Make translate address input/output diagnostic pages obsolete.
>
>Some of these hypothesize that modern drives use proprietary mechanisms
>for determining and executing defect management and that there are
>no application clients that use these somewhat dated tools for
>diagnosing
>drive ECC and establishing defect lists.  If this is not true,
>deprecating
>READ/WRITE (6) is the only remaining question.
>
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>Copyright  2004 MaXXan Systems, Inc. All rights reserved.
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