Boots – shoes – and leggings
Patent
1997-06-03
1999-04-27
Teska, Kevin J.
Boots, shoes, and leggings
364578, G06F 9455
Patent
active
058988637
ABSTRACT:
A method and apparatus for simulating the input/output operations of a memory unit, such as a disk drive array, provide for determining over a predetermined time period, a profile which includes the number of read and write operations for the memory unit and the number of blocks of data read or written during each such operation. The resulting data of the profile is sorted in accordance with the cumulative likelihood of occurrence of the operations, and the read and write operations are then recreated, in a random statistical fashion, in accordance with the sorted resulting data to simulate the frequency of occurrence of the read and write operations at a remote site for the original memory device. The validity of the simulation can be ascertained by repeating the read/write operation collection process during the simulation process and comparing the resulting data with the original data. The simulation can thus take place without adversely affecting operation at the customer's site.
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Glynn William J.
Hale Paul F.
Ofer Erez
EMC Corporation
Frejd Russell W.
Teska Kevin J.
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