Manila/usecases

1) Share existing to Nova instances

Coordinate and provide shared access to previously (externally) established share / export

2) Create and share to Nova instances

Create a new commonly accessible (across a defined set of instances) share / export

3) Bare-metal / non-virtualized consumption

Accommodate and provide mechanisms for last-mile consumption of shares by consumers of the service that aren't mediated by Nova.

4) Cross-tenant sharing

Coordinate shares across tenants

5) Import pre-existing shares

Wrap Manila around pre-existing shares / exports so that they can be provisioned.