Re: SAS scsibus target numbering

[Eduardo Horvath <eeh%NetBSD.org@localhost>]

On Thu, 26 Jul 2012, Mouse wrote:

> > it's usual for the SCSI HBA to assign a targetID for itself.
> 
> For real SCSI - ie, non-SAS - it's actually necessary; the protocols
> used for initiators and targets to speak with one another require a
> line for the initiator as well as for the target.  But the host is
> usually ID 7.

ISTR SPARC machines used an initiator address 6 for hysterical reasons.  I 
forget why.

> Perhaps this is a SAS difference?

SAS doesn't use target IDs on the wire.  The "target ID" is something LSI 
came up with to provide backwards compatibilty with parallel SCSI.   

Eduardo