nova-scheduler.log:220925:2020-07-10 10:49:43.084 8 INFO nova.filters [req-1d842317-8624-4354-9839-73fc0972ecb6 8d5522dc65ad4669aebbc2c80de7d2e9 5bf9cc4afb104c55b01ad9951369dbbc - - -] Filtering removed all hosts for the request with instance ID '4aed6a49-b511-45db-a018-1d24112f7077'. Filter results: ['RetryFilter: (start: 202, end: 202)', 'AvailabilityZoneFilter: (start: 202, end: 202)', 'RamFilter: (start: 202, end: 0)']
https://www.sohu.com/a/67116877_115128
ironic node 的cpu只有64
最后参考：解决