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A ScaleIO Cluster Has Been Configured with 10 Nodes Running

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A ScaleIO cluster has been configured with 10 nodes running only SDS, 20 nodes running only SDC, and one storage pool with all devices. Each SDS contributes four HDD devices to the storage pool. Each server has one 10 Gb network interface. The I/O workload is random access with a 4 Kbyte block size. What is a limiting factor for IOPs?


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