[OmniOS-discuss] [discuss] mpt_sas wedge

[Paul B. Henson]

On Mon, Dec 09, 2013 at 05:23:07PM -0800, Garrett D'Amore wrote:
> That's right... direct connection *with nothing else on the bus* should be
> fine.

Cool. Hopefully that mpt_sas commit I'm currently lacking will keep the
controller from going wiggy next time. It cost a bit more for the 16
port HBA vs the 4 port, but a lot less than 13 3TB SAS disks vs the WD
red SATA disks.

Thanks...


> > > From: Garrett D'Amore [mailto:garrett at damore.org]
> > > Sent: Monday, December 09, 2013 3:10 PM
> > >
> > > This *looks* like its SAS drives, but can you confirm that you're using
> > SAS
> > > disks and not SATA drives in an expander or converter?
> >
> > I intended to mention in the original message that this was a WD red 3TB
> > SATA drive, perhaps I forgot. So it is a SATA drive, but there are no
> > expanders involved, it is connected directly to a single port on the SAS
> > hba. I was aware of potential issues with SATA drives and SAS expanders,
> > and
> > made sure to avoid such a configuration, but my understanding was that a
> > SATA disk attached directly to a SAS hba shouldn't be a problem.