After the user issues a storage volume creation request, Cinder directly returns the volume information (production volume id)

cinder-scheduler consumes and creates storage volume messages from its own message queue, and reports regularly according to each volume

Ability and volume letter

Information, select a host to create a storage volume

After cinder-scheduler is scheduled to the host, the message is delivered to the corresponding volume queue

cinder-volume consumes and creates storage volume messages from its own message queue, and calls the driver interface to create storage

volume, latest update