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Hi list,

For generic driver, there is a flag named "connect_share_server_to_tenant_network" in manila/share/drivers/service_instance.py.
When it set to True, share-server(nova instance) would be created directly on the "share-network".
When it set to False, the subnet within share-network must connected to a router, and then manila would create its own subnet and connect to the router too, and start share-server in manila's subnet.

Based on https://wiki.openstack.org/wiki/Manila/Networking#Gateway_Mediated, I assume the difference here is L2 vs L3 connectivity.
But, I wander whether there are some other reasons for generic driver to support this flag.

So, my question here is:
        As an cloud admin, what I need to consider to help me figure out what value I should set for this flag ?


Thanks.
-chen







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