This report, developed for the RCUK Cloud working group by the University of Birmigham’s Simon Thompson, makes comment on the use of IBM Spectrum Scale with respect to its applicability to cloud and is drawn from the experience gained by several projects in additional to on-going discussion with members of IBM Research and the Spectrum Scale development teams. A workshop was also coordinated by the Spectrum Scale user group in the UK in October 2016 and content from that workshop is drawn upon for this report. The workshop was attended by both users from the community (including The Francis Crick institute) and from commercial suppliers (e.g. DDN, OCF).