On Thu, Dec 07, 2000 at 01:49:51PM -0800, Andrei Petrov wrote:
> 
> My SUNW,fas started to exchange messages and I'd like to share
> the problems I see. First one is that hard drive
> which works under solaris responds CHECK_CONDITION status for
> TEST_UNIT_READY. I don't have much scsi experience but it looks
> a little bit strange to me. Second after it was requested 

This can happen, especially if the TEST_UNIT_READY is the first command
after a bus reset.

> REQUEST_SENSE it doesn't return any data but returns status GOOD.
> REQUEST_SENSE command sent without any message-out, and there is
> comment in driver that there should be that way but it strange because
> it seems violation of scsi.
> Any pointers, suggestions or possible directions appreciated.

I don't know for this one. If I remember properly (I don't have the
scsi specs under hands) a REQUEST_SENSE should always send some data.

--
Manuel Bouyer, LIP6, Universite Paris VI.           Manuel.Bouyer@lip6.fr
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