Re: [Openstack] more info on this raise exception.NoValidHost

2013-05-21 Thread Lei Zhang
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,

Re: [Openstack] more info on this raise exception.NoValidHost

2013-05-21 Thread Belmiro Moreira
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

[Openstack] more info on this raise exception.NoValidHost

2013-05-20 Thread Remo Mattei
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

Re: [Openstack] more info on this raise exception.NoValidHost

2013-05-20 Thread Aaron Rosen
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