[OmniOS-discuss] [discuss] mpt_sas wedge

[Narayan Desai]

I hacked up some stuff using sas2ircu to build system level summaries. It
build a table of all of the identifiers that I could find in the logs:
https://github.com/narayandesai/diy-lsi
 -nld


On Mon, Dec 9, 2013 at 4:20 PM, Eric Sproul <esproul at omniti.com> wrote:

> On Mon, Dec 9, 2013 at 4:45 PM, Paul B. Henson <henson at acm.org> wrote:
>
> > I vaguely recall seeing some mpt_sas improvements flyby over the past 6-8
> > months, once the first update for 151008 comes out I guess I will go
> ahead
> > and upgrade to that, maybe next time things go wiggy it won't take out
> the
> > whole controller.
>
> We back-ported the major one, which was the fix for
> https://www.illumos.org/issues/4013 aka "backout 6910752/6968206:
> needs more work".  Make sure you have
> driver/storage/mpt_sas at 0.5.11,5.11-0.151006:20130906T160306Z which
> contains the fix.
>
> >
> > One question; in this case, when it completely died, it ended up printing
> > out the wwn of the drive in question so it was easy to find. However, I'm
> > not quite sure how to map "target 17" to an actual disk if all I had were
> > the warning messages. Any pointers?
>
> AFAIK mapping the topology behind an mpt_sas device required private
> ioctls to extract that info from the IOC.  Josh Clulow did the grunt
> work to get that done, in https://www.illumos.org/issues/4018 and we
> have *that* stuff in r151008.
>
> In r151006 you would need to use LSI's "sas2ircu" utility to get that
> information.
>
> Eric
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