Research of Improving RAID Read Performance

In this paper, the file system principles and RAID algorithm were studied in Linux, current MD driver and RAID performance were anglicized in detail, achieved a RAID algorithm in the field of multimedia applications, this algorithm enhanced the RAID server to read performance effectively, broke i386 operating system's 4K paging limit, used the new pile of management memory, and through the experimental data show that the new algorithm brought about excellent performance. For detail experiment, 64k-block have been proven to the ideal block using in multimedia applications.