I have a fabric server setup with fabric running in the root container and then two child containers running my application. What is odd to me is that while there are data directories for each of the child containers (instances/*/data) they don't really seem to be used. What I mean that is I have a child continer called mq01 which hosts my ActiveMQ servers. That data directory only contains a single folder, mq01/kahadb, and all the normal stuff is in the root data directory (txlogs, amq...).
The "bigger" issue with my other child container. All the generated-bundles are being places in ./data/generated bundles instead of ./instances/app/data/generated-bundles. The second directory exists but it is empty.