Re: slapd-meta doesn't continue with multiple uri's

[Pierangelo Masarati <masarati@aero.polimi.it>]

On 08/23/2012 11:00 AM, Liam Gretton wrote:
> On 22/08/2012 22:14, Pierangelo Masarati wrote:
>
> > > But what's the point of specifying multiple targets in the uri
> > > option if it doesn't fall through to subsequent ones when the first
> > > is not contactable?
> > >
> > > Have I completely missed the point of the documentation?
> >
> > The point is that your condition is *not* a server unreachable.
>
> There's obviously some subtlety I'm missing here. How would you describe
> it instead?
>
> > Current failover only deals with failures/timeouts of connect(2). I
> > don't think handling your case using failover is appropriate. Your
> > case should be handled by removing the non-responding URI from the
> > list.
>
> I don't understand the difference. If a server is unavailable for
> whatever reason (offline, firewalled, switched off, nothing listening on
> the specified port), then connect() will timeout as you describe.

When connect(2) times out the code behaves as expected.

p.

> Which failures are the current mechanism actually expected to cope with
> that don't include a server being unreachable?


--
Pierangelo Masarati
Associate Professor
Dipartimento di Ingegneria Aerospaziale
Politecnico di Milano