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Foil 28 Data Partitioning --- How to divide data among multiple disks ?

From General Discussion of Parallel Relational Databases CPS600 Spring Semester -- April 1995. by Gang Cheng Marek Podgorny (Geoffrey Fox) * See also color IMAGE

a common practice on large number of disks and mass storage systems (file striping)
high I/O bandwidth of multiple disks and parallel I/O
no need for specialized hardware
important for query load balance on a shared-nothing system
this is of course a central problem in scientific computing and much of High Performance Fortran is devoted to data partitioning



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