ses device over T-SGPIO

Slawa Olhovchenkov slw at zxy.spb.ru
Fri Jan 29 20:34:19 UTC 2021


On Fri, Jan 29, 2021 at 10:12:03AM -0700, Alan Somers wrote:

> What does "camcontrol devlist" show?

Only 2 disk: usb-flash and da1 (isci connected)
(I am currently just boot from 12.2 install)

> On Fri, Jan 29, 2021 at 10:06 AM Slawa Olhovchenkov <slw at zxy.spb.ru> wrote:
> 
> > 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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