FAXtrac: Fast Extraction of Disk Layout
Hunan（2009）
摘要
The low-level disk characteristics play a vital role for the I/O performance optimization in disk storage systems. This paper presents FAXtrac, a tool for automatically and efficiently extracting the exact disk layout, i.e., the number of sectors of each disk track. FAXtrac includes three algorithms, namely SptExplore, TrackExplore, and RemoveNoise, to ensure the correctness and speediness of the extraction of disk layout. We tested FAXtrac on a number of different disk models. It took only 75 minutes to extract the detailed disk layout for a 250 GB SATA disk, which shortened the time by two orders of magnitude as compared with an existing solution. We believe that FAXtrac is a valuable tool for the hard disk storage research community.
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关键词
detailed disk layout,low-level disk characteristic,faxtrac,valuable tool,disk layout,exact disk layout,time 75 min,disk track,disc drives,fast extraction,sata disk,sptexplore,disk storage system,hard disk storage research,hard disk drive,different disk model,disk storage systems,removenoise,storage capacity 250 gbit,hard disk storage,disk layout extraction,hard discs,optimization,algorithm design and analysis,tracking,internet,testing,robustness,data mining,switches,computer science,computer architecture,storage system,layout
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