In Huawei's all-flash storage system, SmartQoS technology can be used to ensure the service quality of data services through two methods: I/O priority scheduling technology and I/O () technology.

Question

Options

• AFlow Control

• A
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Explanation

Option A, Flow Control, completes Huawei's SmartQoS two-method framework because it rate-limits I/O operations - capping the bandwidth or IOPS that any given workload can consume - which prevents "noisy neighbor" scenarios where one service degrades others. Together, I/O priority scheduling (which determines order of execution) and I/O flow control (which determines rate of execution) give administrators full control over both the sequencing and volume of competing storage requests. Since only one choice is presented here, there are no distractors to evaluate, suggesting this is a fill-in-the-blank recall question rather than a traditional multiple-choice.

Memory tip: Think of SmartQoS as managing a highway - priority scheduling controls which cars get into the fast lane first, while flow control acts as a speed limiter preventing any car from going too fast and causing accidents. Both together ensure smooth, fair traffic (I/O) for all services.

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