nova cinder ceph relation

asked 2018-07-18 21:06:37 -0500

wpsd gravatar image

Hi Im new to openstack

I wonder what is the use of cinder component if I use Ceph as backend. What's the advantage between this two setup

Nova -> Cinder -> Ceph
Nova -> Ceph

If I use Cinder, will nova instance ( guest VM ) I/O Operation require to pass to Cinder first which will then forward to Ceph ?

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