CMSC 312 Spring 2014 Homework 1 Solutions

67 avg wt 430433 problem 2c c scan request seeks seek

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Unformatted text preview: 5(5) = 37 0 37 25 20 12+20(5) = 112 37 149 256 231 12+231(5) = 1167 149 1316 300 44 12+44(5) = 232 1316 1548 1024 724 12+724(5) = 3632 1548 5180 0 [1] - - - - 96 96 12+96(5) = 492 5180 5672 512 416 12+416(5) = 2092 5672 7764 Total seek cost 7764 Avg WT = 2317 Avg WT = 3611 Head = 0 References 1) Disk scheduling policies - http://www.cs.iit.edu/~cs561/cs450/disksched/disksched.html 2) SCAN disk scheduling animation - http://cs.uttyler. edu/Faculty/Rainwater/COSC3355/Animations/diskschedulingscan.htm...
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This homework help was uploaded on 03/03/2014 for the course CMSC 312 taught by Professor Masroorahmad during the Spring '09 term at VCU.

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