返回总目录 描述 详细 查看cinder-scheduler日志 cinder-scheduler 执行调度算法,通过 Filter 和 Weigher 挑选最优的存储节点。cinder-scheduler 通过 Flow volume_create_scheduler 执行调度工作。 1 2 3 4 5 Jun 11 16:51:14 controller cinder-scheduler[29282]: DEBUG cinder.scheduler.manager [None req-4111af2f-99a8-4166-8647-569b038786d9 admin None] (22955515-20d0-4af4-8890-df981d8bbe8d) transitioned into state from state 'PENDING' { {(pid=29282) _flow_receiver /usr/local/lib/python2.7/dist-packages/taskflow/listeners/logging.py:145 该 Flow 依次执行 ExtractSchedulerSpecTask 和 ScheduleCreateVolumeTask,它们在源码中就是两个类,在源码/opt/stack/cinder/cinder/scheduler/flows/create_volume.py上。ExtractSchedulerSpecTask作用是Extracts a spec object from a partial and/or incomplete request spec 从部分和/或不完整的请求spec中提取spec对象(spec:说明、规范) 1 2 3 4 5 Jun 11 16:51:14 controller cinder-scheduler[29282]: DEBUG cinder.scheduler.manager [None req-4111af2f-99a8-4166-8647-569b038786d9 admin None] Task 'cinder.scheduler.flows.create_volume.;volume:create' (2639d26d-a289-4fa6-8e47-096b35b77015) transitioned into state from state 'PENDING' { {(pid=29282) _task_receiver /usr/local/lib/python2.7/dist-packages/taskflow/listeners/logging.py:194