Visited Cambridge for the annual REMS workshop. Gave a little talk on the status of filesystem work, including SibylFS. The slides are available here.
Later I visited Docker Cambridge (Anil, Sheets, Yallop). They are working on lots of interesting filesystem projects. Very pleased to hear they have been using SibylFS to examine the behaviour of Mac OS X filesystems exposed to a Docker container! In general, SibylFS should be useful to validate "non-traditional" filesystem behaviours, such as overlay filesystems, VM/container filesystems etc.