[OmniOS-discuss] omnios host goes suddenly silent on the network

[Tobias Oetiker]

Today Eric Sproul wrote:

> On Tue, Oct 29, 2013 at 3:10 PM, Tobias Oetiker <tobi at oetiker.ch> wrote:
> > the troubling bit is that during the outage, the kvm hosts on
> > akami0 and nigiri0 were able to talk to the physical network just
> > fine, but they were not able to talk to fugu0 ...  and this is all
> > happening inside the crossbow switch within illumos if I
> > understand the concept correctly ...
>
> I'm not an expert on the Crossbow stack, but essentially I think this
> is correct, so perhaps we're looking at a VNIC issue with fugu0 and
> not anything to do with hardware.
>
> Since you're not using aggregate links, it should be possible to let
> the global zone use igb0 directly without disturbing the KVM vnics.  I
> do this on a number of dev systems.  It might be worth a try to move
> the address fugu0/v4static to igb0/v4static, though you'll of course
> need out-of-band or console access to do that.

this how we had it setup originally :-) we thought that it might be
better to hook zone0 into the virtual switch ... for performance
since the kvms are using nfs resources from zone0 ...

but you are right, it might make sense to switch back ...

cheers
tobi

>
> Eric
>
>

-- 
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
http://it.oetiker.ch tobi at oetiker.ch ++41 62 775 9902 / sb: -9900