[etherlab-users] Error reassigning removed PDO

Florian Pose fp at igh.de
Wed Apr 23 08:42:41 CEST 2014


On Wed, Apr 23, 2014 at 01:39:28PM +1200, Gavin Lambert wrote:
> On Tuesday, 22 April 2014 20:21, quoth Richard Hacker:
> > For the very simple reason, that the application can start without any
> > slaves being attached to the network!
> 
> I thought it might be something like that.  However this seems of very
> limited usefulness to me as there doesn't seem to be any way to tell which
> parts of the domain data are valid when only some of the slaves are online
> -- querying the domain state will only tell you none/partial/all, without
> more specifics (eg. per-slave success/failure).  It seems to me that it's
> better to avoid going cyclic in the first place until all expected slaves
> are present, since slaves coming online as they are booted will change the
> topology and thus the ring positions anyway.  But maybe I'm just missing
> something.

ecrt_domain_state() is the one and only way to determine, if the data are
valid. If you want to monitor different slave groups, you have to place them in
several domains.

If you have a dynamic topology, you should make use of the alias
addressing scheme.

Regards,
Florian



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