On 15/05/2013, at 6:44 PM, Ferenc Wagner <[email protected]> wrote: > Andrew Beekhof <[email protected]> writes: > >> On 15/05/2013, at 5:23 PM, Ferenc Wagner <[email protected]> wrote: >> >>> If a resource fails to stop, the node hosting it is fenced immediately. >>> Isn't it possible to move the other resources off the node before it's >>> fenced? >> >> Sometimes, but you're in trouble if another resource can't stop until >> the failed one has (which doesn't occur until the node is fenced). >> So there can easily be a dependancy loop there. > > Sure, I'd fully expect the dependencies of the failed resource to fail > to stop as well. But trying to migrate resources away would hardly > hurt,
Think about what you just said one line earlier. You're extending the service outage every time a service fails to stop. Additionally, there are resources we can't even try to stop - because the stop action depends on the fencing operation which depends on the stop operation. Its a circular dependancy with no termination. > apart from possibly wasting some time on unsuccessful migration > attempts before the fencing. > > Based on your reply I sense there's no such feature in Pacemaker. Maybe > it could be considered then for future development, as an option. > -- > Regards, > Feri. > _______________________________________________ > Linux-HA mailing list > [email protected] > http://lists.linux-ha.org/mailman/listinfo/linux-ha > See also: http://linux-ha.org/ReportingProblems _______________________________________________ Linux-HA mailing list [email protected] http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
