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>
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!
>From: Gene Milligan[SMTP:Gene_Milligan at notes.seagate.com]
>Sent: Monday, June 02, 1997 3:09 AM
>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
>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
>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,
>suggest being cavalier and taking choice (b).
>Although T10 has already approved whatever I do in Rev 8a, I would like to
>if there is any objection to changing the acronym of step pules per cylinder
>Technical Editor of SBC
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