[patch] CTL should check condition INQUIRY with invalid LUN

[Matthew Jacob]

On 3/5/2012 4:17 PM, Kenneth D. Merry wrote:
> On Mon, Mar 05, 2012 at 14:46:52 -0800, Chuck Tuffli wrote:
>> Currently, the CTL responds to INQUIRY commands targeted at invalid
>> LUNs by returning valid data with the peripheral qualifier set to LU
>> OFFLINE. This patch instead returns a check condition with LU NOT
>> READY.
>>
>> Linux initiators see the LU OFFLINE and start creating SG devices, but
>> are not able to finish. The offline also causes them to keep probing
>> LUNs.
> Linux used to behave properly.  What version are you testing with?
>
> Returning a check condition is not correct according to the spec.  This is
> from SPC-4 (r31):
>
> \
Ken (and t10) is right
> Since CTL can support a LUN at the requested address, but there isn't one
> there, it returns OFFLINE status.
>
> They should be issuing a REPORT LUNs and then probe the LUNs that are
> returned...
>
>
"They"... would that be FreeBSD which is timid to the point of frigidity 
on this topic?