Live migration 流图
2017-04-19 10:54:11 0 举报OpenStack Live Migration Check Flow Chart
作者其他创作
大纲/内容
目标节点driverself.driver.check_can_live_migrate_destination
live_migrate.py
host = self.scheduler_client.select_destinations获取到dest host 之后
self.compute_rpcapi.check_can_live_migrate_source
目标节点compute.manager.py
check_can_live_migrate_source
_do_check_can_live_migrate_destination
self.driver.check_can_live_migrate_source
is_volume_backed = self.compute_api.is_volume_backed_instance
源节点libvirt.driver.py
check_can_live_migrate_destination
源节点compute.manager.py
self._call_livem_checks_on_host(host)
self.compute_rpcapi.check_can_live_migrate_destination
_execute
抛出异常Live migration can not be used without shared storage except a booted from volume VM which does not have a local disk.
_find_destination
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