Query regarding device's behavior

[Gerry Houlder]

Formatted message: <a href="http://www.t10.org/cgi-bin/ac.pl?t=r&f=r1505290_f.htm">HTML-formatted message</a>

SCSI doesn't define a "BOOT LU" -- logical units are either present and
available (TUR gets GOOD status and READ commands return the requested
data) or they are not (TUR and READ commands will get CHECK CONDITION with
Sense key=ILLEGAL REQUEST (05) and additional sense code=LOGICAL UNIT NOT
SUPPORTED (25 00).
On Fri, May 29, 2015 at 1:42 AM, Mistry, Munjal <Munjal_Mistry at mentor.com>
wrote:
>  Hello Members,
>
>
>
> I have query regarding the response from the device while accessing
> disabled boot logical unit.
>
>
>
> The scenarios is, device contains 8 logical units (LUN=0 to 7) and any of
> them can be configured as BOOT LU. Host can access the BOOT LU by sending
> LUN = ‘hB0. Now, if the boot feature is disabled in the device and host
is
> trying to access the BOOT LUN (‘hB0) by driving TEST UNIT READY and
> READ6/10/16 commands then what could be the response from the device?
>
>
>
> Will it send failure response? If yes, then what could be the value of
> status, additional sense key and additional sense key qualifier field?
>
>
>
> Thanks,
>
> Munjal Mistry
>
>
>