The RDMF12 meeting on 18/19 November ran under the banner “Linking Data and Repositories (and other systems)” so it was a natural topic for a breakout group to discuss opportunities for sharing these across institutions. We came up with a list of 5 take-home points, which are covered below. The case for and against a national data archive was the subject of some lively discussion and at the end of this article I’ve drawn some personal conclusions.