That makes sense. Mirroring is a node to node operation.
If it cannot communicate directly between the nodes on the intercluster interfaces, it will fail.



--tmac

Tim McCarthy, Principal Consultant

Proud Member of the #NetAppATeam

I Blog at TMACsRack



On Wed, Jul 13, 2016 at 7:18 AM, Momonth <momonth@gmail.com> wrote:
Thanks Andrei, I appreciate your effort, and I actually concluded the
same on 8.2.3.

On Wed, Jul 13, 2016 at 10:12 AM, andrei.borzenkov@ts.fujitsu.com
<andrei.borzenkov@ts.fujitsu.com> wrote:
> As I am on training anyway, I tried what happens if I use only partial intercluster connectivity. The result is
>
> - I can in principle establish peer relationship if not all nodes have intercluster LIFs, but this relationship is shown as "partial" then.
>
> - snapmirror does not work in this case. I.e. if I have node1 with intercluster LIF and node2 with aggregate and volume, attempt to update snapmirror simply times out.
>
> - that happens also if I initially have full mesh and later remove one intercluster LIF from configuration (also modifying cluster peer relationship)
>
> So it looks like connection always happens to node that owns volume and answer to your question is "no". This is with 8.3.2P2.
>