[Richard Sharpe <rsharpe@xxxxxxxxxx>]

On Tue, 12 Mar 2002, Mark Burton wrote:

> 
> From: Richard Sharpe <rsharpe@xxxxxxxxxx>
> Subject: [Ethereal-dev] SCSI SPC-3 commands vs SPC-2 ...
> Date: Tue, 12 Mar 2002 12:17:37 +1030 (CST)
> 
> > What I am interested in knowing is: Is there an easy way to determine 
> > whether or not a stream is using SPC-3 or what? Is it carried in the iSCSI 
> > PDU or logon or something like that?
> 
> Hello Richard,
> 
> The draft (10) iSCSI standard does not explicitly state whether the
> commands are to be SPC-2 or SPC-3 and there is nothing in the protocol
> that indicates which variety is in use.
> 
> It would be possible to use a vendor-specific value in the login
> negotiation to pass that information but that would obviously require
> both the initiator and target supporting such a feature.

OK, but it seems that my initial confusion was over how a SCSI OpCode of 
0x7f should be treated. I think I have that under control.

A quick question: Is there a defined way for vendors to extend the OSD 
spec with their own command set?

Regards
-----
Richard Sharpe, rsharpe@xxxxxxxxxx, rsharpe@xxxxxxxxx, 
sharpe@xxxxxxxxxxxx