FW: SCSI-3 Conundrum

Hallam, Ken J Ken.Hallam at unisys.com
Mon Jun 2 08:49:24 PDT 1997


* From the SCSI Reflector (scsi at symbios.com), posted by:
* "Hallam, Ken J" <Ken.Hallam at unisys.com>
*
Gee,

I never thought I'd see the day when Gene Milligan asked permission to
act in a cavalier fashion, especially concerning a conundrum. What the
heck, go for it Gene!

Ken Hallam

>----------
>From: 	Gene Milligan[SMTP:Gene_Milligan at notes.seagate.com]
>Sent: 	Monday, June 02, 1997 3:09 AM
>To: 	scsi
>Subject: 	SCSI-3 Conundrum
>
>* From the SCSI Reflector (scsi at symbios.com), posted by:
>* Gene Milligan <Gene_Milligan at notes.seagate.com>
>*
>In the process of dealing with the ANSI pre-edits for SBC I have noticed that
>SPC is an acronym for two different items in SCSI-3.
>
>The original meaning of SPC is found in SCSI-2 and SBC which is "The step
>pulse 
>per cylinder (SPC) field is used to specify the number of additional step 
>pulses required per cylinder." For those not as familiar with SCSI as the 
>members of the committee it will be confusing to have two different meanings 
>for SPC (especially with the small caps distinction lost in ASCII excerpts as
>it is in this Email).
>
>The additional new meaning which is found in SCSI-3 including SBC is "SCSI-3 
>Primary Commands".
>
>It seems to me there are two obvious alternatives to this conundrum:
>
> a) Rename NCITS 301-199X (e.g. SCSI-3 Overhead Commands (SOC)) and change 
>references to it accordingly.
>
> b) Change the acronym of step pules per cylinder to (SPPC).
>
>Certainly the correct thing to do to not injure the original implementors is 
>choice (a). However since the injury would be infinitesimal and not noticed,
>I 
>suggest being cavalier and taking choice (b).
>
>Although T10 has already approved whatever I do in Rev 8a, I would like to
>know 
>if there is any objection to changing the acronym of  step pules per cylinder
>to (SPPC)?
>
>Gene Milligan
>Technical Editor of SBC
>*
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>
*
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