ses device over T-SGPIO

[Slawa Olhovchenkov]

On Fri, Jan 29, 2021 at 09:51:33AM -0700, Alan Somers wrote:

> I've never used any tool with SGPIO.  The hardware simply isn't powerful
> enough to be useful.  sesutil works, in theory, to control the LEDs.  But
> it's of limited usefulness since there's no way to tell which drives are
> installed in which slots.

For me sesutil failed w/ "No SES device found"

> 
> On Fri, Jan 29, 2021 at 9:44 AM Slawa Olhovchenkov <slw at zxy.spb.ru> wrote:
> 
> > On Fri, Jan 29, 2021 at 09:22:47AM -0700, Alan Somers wrote:
> >
> > > The short story is: SGPIO sucks.  It doesn't detect drive presence, much
> > > less provide physical path information.  The only thing you can do with
> > it
> > > is control the fault LEDs.  But doing that usefully requires you to have
> > > some extra source of information about what drives are installed in what
> > > slots.  Basically, you need to track that kind of information offline.
> > > sesutil ought to be able to control the LEDs, at least, but I've never
> > > personally used it with SGPIO.
> >
> > What tool you used with SGPIO?
> > What additional drivers need?
> >
> > > On Fri, Jan 29, 2021 at 9:02 AM Slawa Olhovchenkov <slw at zxy.spb.ru>
> > wrote:
> > >
> > > > I am have Supermicro MB X9DBU-iF connected to bcakplane BPN-SAS-825TQ
> > > > by T-SGPIO cables. sesutil don't found any SES device.
> > > >
> > > > Is this posible to have control to this backplane?
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