Integrated QOS Management for Disk I/O

  title={Integrated QOS Management for Disk I/O},
  author={Ravi Wijayaratne and A. L. Narasimha Reddy},
  booktitle={ICMCS, Vol. 1},
In this paper, we address the problem of providing diierent levels of performance guarantees or quality-of-service (QOS) for disk I/O. We classify disk requests into three categories based on the provided level of service. We propose an integrated scheme that provides diierent levels of performance guarantees in a single system. The proposed method uses admission control and bandwidth allocation to isolate the diierent categories of requests and appropriate disk scheduling to achieve the… CONTINUE READING
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