Abstract: We studied technologies about testing IOPS and data transfer speed of disk arrays in mass storage systems,and proposed a parallel testing technology towards the high performance disk array and realized the testing work on the newest developed disk array. I3y taking researches on many factors which effect disk performance seriously and quantifying them through expcriments,we realized evaluations on the whole disk array. Finally,we studied bottlenecks of the disk arrays and proved that the results are correct.

Key words: Mass storage system, Disk array, Performance analysis