Re: iSCSI - change proposal LUN field definition on every PDU

[Paul Koning <ni1d@arrl.net>]

Excerpt of message (sent 12 November 2001) by Julian Satran:
> Dear colleagues,
> 
> A colleague interested in instrumentation approached me with a question 
> about stateless logging of specific LU activity.
> With the current iSCSI PDU formats this is not possible.
> We have consistently avoided having fields that are redundant and will 
> need consistency checking.
> However I think we should consider including the LU field in all PDUs that 
> are referencing a specific LU to simplify this type of instrumentation (as 
> we did with the direction bit in the op-code).

NO.

I can see no good reason to add work to an implementation fastpath for
this.  It slightly simplifies instrumentation, but instrumentation is
certainly possible without it.  That is sufficient.

       paul