Feedback 10-350r0

Ralph Weber roweber at IEEE.org
Fri Nov 5 12:53:30 PDT 2010


* From the T10 Reflector (t10 at t10.org), posted by:
* Ralph Weber <roweber at ieee.org>
*
I wonder if the best interests of T10 will be served
by too much specificity in this subclause.
The most likely result will be an unnoticed (and thus
uncorrected) conflict between the proposed text and
some new feature when, for example, somebody invents
a way to add useful additional sense data to a RESERVATION
CONFLICT status.
All the best,
.Ralph
On 11/4/2010 4:14 PM, Kevin D Butt wrote:
> Fred,
>
> I think it would be better to be specific about which other conditions 
> are allowed to return sense and which other conditions are not allowed 
> to return sense.
>
> Table 282 defines the suggested GOOD and CHECK CONDITION status 
> responses to the TEST UNIT READY
> command. Other conditions, including (e.g., target port asymmetric 
> access state changes, reservations, or
> deferred errors), may result in other responses (e.g., GOOD status, 
> CHECK CONDITION status, BUSY status, or
> RESERVATION CONFLICT status with or without other sense key and 
> additional sense code values).
>
> Table 282 defines the suggested GOOD and CHECK CONDITION status 
> responses to the TEST UNIT READY
> command. Other conditions, including (e.g., target port asymmetric 
> access state changes, reservations, or
> deferred errors), may result in other responses (e.g., GOOD status, 
> CHECK CONDITION status with other sense key and additional sense code 
> values and GOOD status, BUSY status, or RESERVATION CONFLICT status 
> without other sense key and additional sense code values).
>
>
> Kevin D. Butt
> SCSI & Fibre Channel Architect, Tape Firmware
> MS 6TYA, 9000 S. Rita Rd., Tucson, AZ 85744
> Tel: 520-799-5280
> Fax: 520-799-2723 (T/L:321)
> Email address: kdbutt at us.ibm.com
> http://www-03.ibm.com/servers/storage/
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