Re: SCSI driver for VMware's virtual HBA - V5.

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* Alok Kataria (akataria@xxxxxxxxxx) wrote:
> On Mon, 2009-10-12 at 22:37 -0700, Chris Wright wrote:
> > > +     pvscsi_template.can_queue =
> > > +             min(PVSCSI_MAX_NUM_PAGES_REQ_RING, pvscsi_ring_pages) *
> > > +             PVSCSI_MAX_NUM_REQ_ENTRIES_PER_PAGE;
> > > +     pvscsi_template.cmd_per_lun =
> > > +             min(pvscsi_template.can_queue, pvscsi_cmd_per_lun);
> > 
> > When/how are these tunables used?  Are they still useful?
> 
> cmd_per_lun, is a commandline parameter.

Actually I meant how is a user supposed to use these?  They looked to me
like tunables that were part of developing a driver that may not be
needed any longer.  What are the right values, what are the tradeoffs,
etc?  Or should they just be removed?

thanks,
-chris
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