Clearing Effects for Device Reservations

Binford, Charles charles.binford at symbios.com
Tue Jul 7 08:25:22 PDT 1998


* From the T10 (formerly SCSI) Reflector (t10 at symbios.com), posted by:
* "Binford, Charles" <charles.binford at symbios.com>
*
I like option A) below.  Add a note stating:
"After clearing the pre-existing UA(s) the Target shall set initial UA
condition(s) to its power-on value."

Charles Binford
Symbios Inc.
316-636-8566

> -----Original Message-----
> From:	Dave Peterson [SMTP:dap at nsco.network.com]
> Sent:	Tuesday, July 07, 1998 9:26 AM
> To:	Binford, Charles
> Cc:	fc at nsco.network.com; t10 at symbios.com
> Subject:	Re: Clearing Effects for Device Reservations
> 
> 
> 	A comment on the table itself. 
> 	The row for 'Pre-existing ACA, UA, and Deferred error conditions
> 
> 	cleared' is correct, however I believe some additional words
> (perhaps in 
> 	a note) would help clarify things.  The exact same actions which
> "clear" 
> 	the ACA, UA, and deferred error also cause the normal, "start of
> day" 
> 	type unit attentions to be established.  The chief example is
> Power Up 
> 	unit attention (29/00).  I assume this was not part of the table
> in PLDA 
> 	because the table is "clearing effects".  However, we have seen 
> 	integration problems relating to this and I think a note
> associated with 
> 	this column would be helpful. 
> 
> 	Comments?
> 
> I can add a note, how about: 
> After clearing the pre-existing UA(s) the Target shall set initial UA
> condition(s) 
> a) to its power-on value. 
> or 
> b) to "Power On" UA. 
>   
> Also, a sentence in 10.5 states: 
> "A "Y" in the corresponding column indicates the object is cleared to
> its default 
> or power-on value within the device upon completion of specified
> action." 
> 
> 	  
> 
> 	Charles Binford 
> 	Symbios Inc. 
> 	316-636-8566 
>   
> -- 
> ===================================================================
> Dave Peterson                     phone : 612-391-1008
> Senior Engineer 
> StorageTek Network Systems Group  email: dap at network.com
>  
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