What is IO-500 Node Challenge?
The IO-500 10 Node Challenge is a ranked list comparing storage systems that work in tandem with the world’s largest supercomputers. By limiting the benchmark to 10 nodes, the test challenges single client performance from the storage system. Each system is evaluated using the IO-500 benchmark that measures the storage performance using read/write bandwidth for large files and read/write/listing performance for small files…. from InsideHPC
For more information, do look at WekaIO Beats Big Systems on the IO-500 10 Node Challenge