08.存储Cinder→5.场景学习→10.Bootable Volume

时间 2019-12-01

标签存储 cinder 场景学习 10.bootable bootable 繁體版

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描述

详细

Volume 除了能够用做 instance 的数据盘，也能够做为启动盘（Bootable Volume）。建立Volume，此时选择Volume Source为image，建立后能够看到该volume是Bootable的。

volume建立过程同未指定Source基本一致。在cinder-volume的CreateVolumeFromSpecTask执行时，会克隆镜像到volume，从source为image建立volume，同时也会标记新建立的volume为bootable

Jun 24 10:23:18 controller cinder-volume[9747]: DEBUG cinder.volume.manager 

[None req-bb293b6d-e545-4c7c-ab1f-0e13eb985f0f admin None] 

Task 'cinder.volume.flows.manager.create_volume.CreateVolumeFromSpecTask;volume:create' 

(755e4775-3fa9-4279-a9ac-9a4bda7bda4c) transitioned into state 'RUNNING' from state 'PENDING' 

{{(pid=9891) _task_receiver /usr/local/lib/python2.7/dist-packages/taskflow/listeners/logging.py:194

Jun 24 10:23:18 controller cinder-volume[9747]: 

DEBUG cinder.volume.flows.manager.create_volume 

None req-bb293b6d-e545-4c7c-ab1f-0e13eb985f0f admin None] 

Cloning 0b2f9486-5433-4321-a1a8-5acec04d1b03 from image 0b8481c1-62e5-481c-ab60-a0e4d2676430  

at location (None, None). 

{(pid=9891) _create_from_image /opt/stack/cinder/cinder/volume/flows/manager/create_volume.py:880}}

Jun 24 10:23:20 controller cinder-volume[9747]: 

DEBUG cinder.volume.flows.manager.create_volume 

[None req-8fc4b821-b4c7-4892-a840-8f21c1af0fbb None None] 

Creating from source image-volume 8461a721-a77b-4b59-977d-9f65c00ce7ce 

{{(pid=9891) _create_from_image_cache /opt/stack/cinder/cinder/volume/flows/manager/create_volume.py:702

Jun 24 10:23:23 controller cinder-volume[9747]: 

DEBUG cinder.volume.flows.manager.create_volume 

[None req-8fc4b821-b4c7-4892-a840-8f21c1af0fbb None None] 

Marking volume 0b2f9486-5433-4321-a1a8-5acec04d1b03 as bootable. 

{{(pid=9891) _enable_bootable_flag /opt/stack/cinder/cinder/volume/flows/manager/create_volume.py:474

建立好的volume可用于launch instance