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shashi_microfocus
30-May-2018, 04:50
Hi,

Launching instances from SUSE OpenStack 8 gives an error "Exceeded maximum number of retries. Exceeded max scheduling attempts 3 for instance fe5dfcc2-d9e4-4a78-b960-45ca288d5bb3. Last exception: 'NoneType' object has no attribute '__getitem__'"

Any idea how to solve this ?

Thanks & Regards,
Shashi Kanth.

eblock
30-May-2018, 08:03
Hi,

first you should try to find out why the instances are failing. Check your log files for nova (conductor, scheduler, compute), glance and cinder, depending on how your instances are built. It sounds like the scheduler is not able to find a host providing the resources that are required by the image and flavor.

Regards,
Eugen

kberger65
31-May-2018, 14:34
There could be a number of reasons. does nova hypervisor-list show the compute up and ready? Did you attach a network to the instance?,....

shashi_microfocus
07-Jun-2018, 07:59
do not know what is the real cause of behind this error. All aradana services were UP.

I ran the nova-reconfigure.yml playbook which solved the issue.