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The conference was a very interesting mixture of deep, deep technical presentations about Lustre as well as higher level presentations about how Lustre is used and the benefits and downsides of using it.
Oracle was the driving force behind Lustre in the past and obtained a big chunk of the Lustre developers through the acquisition of Sun. However, Oracle has decided not to really pursue the development of Lustre resulting in companies such as Whamcloud and Xyratex to step in to provide commercial support and development.
There have also been two communities, OpenSFS and HPCFS, promoting Lustre, perhaps providing some confusion in the HPC storage world. At LUG 2011, the two groups agreed to come together to mutually support and develop Lustre. Hopefully this will help spur the development and promotion of Lustre.