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To demonstrate the storage workload, both nano and fio workloads are run.
Flexible IO Tester (FIO) is an open-source, synthetic benchmarking tool capable of generating a diverse array of IO workloads, from sequential reads to random writes, and from synchronous to asynchronous operations, all tailored according to user-defined settings.
Nano calculates basic raw I/O capabilities of storage, in this case PowerFlex. It is a benchmarking tool that measures storage, memory, and CPU for nodes. It also performs write, sequential and random read/write operations together along with aggregation for example, sum and sort operations. nano can be installed by following the instructions mentioned in the appendix section.