Hi, Let me just had that an instance can fail in different filters in different hosts. Some filters LOG the reason if debug=true. Check /var/log/nova/scheduler.log
cheers, Belmiro On May 21, 2013, at 3:18 PM, Lei Zhang <redheadflyundersha...@gmail.com> wrote: > Yes, nova-scheduler has lots of filters to check if nova-compute node fit the > requirement of the instance you wanna launch. > Like availability-zone filter, RAM filter, cpu core filter, etc. If all the > compute node failed to pass those filters, it raise this exception. > > Regards > Lei > > > On Tue, May 21, 2013 at 4:13 AM, Aaron Rosen <aro...@nicira.com> wrote: > Usually means that the instance trying to be launched can't be scheduled to > any nova-compute nodes. The log message should include a reason why though. > > > > > On Mon, May 20, 2013 at 12:06 PM, Remo Mattei <r...@mattei.org> wrote: > Hello everyone, > > I wonder if someone can give me a more detail overview about the raise > exception.NoValidHost > on what does raise mean. > > Thanks > Remo > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : openstack@lists.launchpad.net > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp > > > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : openstack@lists.launchpad.net > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp > > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : openstack@lists.launchpad.net > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp _______________________________________________ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp