protocol. (done, but need to check for fencepost errors on resume of
incomplete upload with remotes at different points)
-* On upload to cluster, send to nodes where it's preferred content, and not
- to other nodes.
-
* Problem: `move --from cluster` in "does this make it worse"
check may fail to realize that dropping from multiple nodes does in fact
make it worse.
+* `git-annex sync --content` does not send content to clusters, or to
+ proxied remotes. And when operating on clusters, it should operate on the
+ cluster as a whole, not on cluster nodes.
+
+* On upload to cluster, send to nodes where it's preferred content, and not
+ to other nodes.
+
* Support annex.jobs for clusters.
* On upload to a cluster, as well as fanout to nodes, if the key is