workflow of cinder volume creation process

asked 2015-07-29 00:16:29 -0500

Amit.Kumar gravatar image

updated 2015-07-29 02:36:56 -0500

Hi,

What would be the workflow of volume creation when openstack environment has multiple cinder nodes with cinder-volume service on each node.

Normally how it works in single cinder node environment.\

Cinder-client --> cinder-api-->message queue--> cinder-volume --> cinder-schedular-->cinder-volume

after that cinder volume will take care of creating new volume with appropriate backend driver.

But in multiple cinder nodes. How will cinder-api decide that which cinder-volume service will take the request.

..............................................................................cinder-volume

Cinder-client --> cinder-api-->message queue--> cinder-volume which cinder-colume wil get the request??

..............................................................................cinder-volume

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