Optimizing allocation of sectors in disc drives

Optimizing allocation of sectors in disc drives

This invention relates generally to data storage in computer systems, and more particularly to optimizing the allocation of sectors for storage of audio and/or video data on magnetic discs. Audio or video information is stored as data files in clusters or blocks of sectors on a magnetic disc. The da...

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Hauptverfasser: Wei Loon, Ng, Yip, Ying Ee, Quak, Beng Wee
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Sprache:eng
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creator Wei Loon, Ng
Yip, Ying Ee
Quak, Beng Wee
description This invention relates generally to data storage in computer systems, and more particularly to optimizing the allocation of sectors for storage of audio and/or video data on magnetic discs. Audio or video information is stored as data files in clusters or blocks of sectors on a magnetic disc. The data files are transferred from the disc drive to one or more buffers for respective data streaming applications. Optimal buffer size is calculated using operational parameters such as transfer rates and rotational latencies. The sectors are grouped in blocks having a size equivalent to, or slightly larger than, the size of an associated host buffer for the respective application to avoid fragmentation of the data used in each buffer fill, and thereby minimize the time required to fill the buffer from the disc drive.
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Audio or video information is stored as data files in clusters or blocks of sectors on a magnetic disc. The data files are transferred from the disc drive to one or more buffers for respective data streaming applications. Optimal buffer size is calculated using operational parameters such as transfer rates and rotational latencies. 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Audio or video information is stored as data files in clusters or blocks of sectors on a magnetic disc. The data files are transferred from the disc drive to one or more buffers for respective data streaming applications. Optimal buffer size is calculated using operational parameters such as transfer rates and rotational latencies. The sectors are grouped in blocks having a size equivalent to, or slightly larger than, the size of an associated host buffer for the respective application to avoid fragmentation of the data used in each buffer fill, and thereby minimize the time required to fill the buffer from the disc drive.</abstract><oa>free_for_read</oa></addata></record>
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title Optimizing allocation of sectors in disc drives
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