OpenStack Cinder creates and manages the block storage devices.
Explanation:
OpenStack can be considered as a open source cloud software that has series of allied projects which controls huge pool of computing, network sources, storage in a provided data center.
It has several components. Out of that, Cinder is a block storage component.
It delivers specific block storage devices to apply with OpenStack compute instances. Overall, it is used for creating and managing the block storage devices.
It uses storage platforms like Linux server, and so on.
Learn more about OpenStack Cinder
In OpenStack, ephemeral storage is managed by
a. Swift
b. Keystone
c. Nova
d. Cinder
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