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Icehouse resize ???????????????????

???????????????????????????????????????? resize ???????No valid host was found????????????????????????????????????????????????resize???????????????????????????

1. ??????

????????????????????????????????

• ????? nova.scheduler.utils????? compute_task_migrate_server ????
• ????? Failed to compute_task_migrate_server: No valid host was found?
• ?????????????????

?????????????

File "/usr/lib/python2.7/dist-packages/oslo/messaging/rpc/server.py", line 139, in inner    return func(*args, **kwargs)File "/usr/lib/python2.7/dist-packages/nova/scheduler/manager.py", line 298, in select_destinations    filter_properties)File "/usr/lib/python2.7/dist-packages/nova/scheduler/filter_scheduler.py", line 140, in select_destinations    raise exception.NoValidHost(reason='')

????????????? resize ????????????????????????

2. ????

????????????? resize??????????????????????????

• ????????????????????????????????????????? resize ?????????
• ????????????????????????????? resize ??????
• ????????????????????????CPU???? resize ???????
• ????????????????????????????????????????

3. ??????

??????????????????????????????????????

• allow_resize_to_same_host?????? True????????????????
• allow_migrate_to_same_host?????? True?????????????

???????? OpenStack ????????????????????????????

4. ????

???????????????

• ???????????????????????CPU??? resize?
• ??????????????????????????????????????
• ???????????????????????????? resize ???

5. ??????

?? nova node-list ? nova node-show ?????????????

• ?????? ACTIVE ???
• ???????????????????????

6. ??????

????????? debug ? verbose ????????????????????? nova-compute.log???????????????

• ????????????????????
• ?????????????????

7. ??????

????????????????????????????

• ?????????????????????
• ?????????????????
• ??????????????????????????????

8. ????

??????????????????????????

• ?????????????????????????? resize????????????
• ???? CLI??? OpenStack CLI ???? nova resize????? resize ????????????????

9. ??????

???????????????????????? resize ??????? nova flavor-show ????????????????????????????

10. ??????

???????????????????

• ?? OpenStack ??????????
• ???????????????????????????????????????

??

??????????????????????????????????????? Icehouse resize ???No valid host was found????????????????????????? resize ???????