7.2. Pipelining Technique

7.2.1. Overview

To support SM display, it is necessary to retrieve and display data at a pre-specified rate; otherwise, the display will suffer hiccups. When considering a three level HSS, the tape storage system stores the SM repository in its entirety and it is used to display the infrequently accessed objects. Due to the long latency time associated with tape accesses and due to the mismatch between the tape production rate (i.e. transfer rate), RT, and the display consumption rate, C (i.e., Production Consumption Ratio [61], ), it is necessary to: 1) use techniques to bridge the access gap between tape devices and ...

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