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Disk Scheduling Policies

 

Disk Drive

Disk Drive Format (Side View)

 

disk-drive-format-side-view

 

Disk Drive Format (Diagonal View)

 

disk-drive-format-diagonal-view

 

 

Disk Scheduling

 

Measuring the Speed of Disk I/O

What Can We Improve?

 

Disk Scheduling Policies

Goal

General Policies

 

disk-scheduling-algorithms

 

Comparison of Disk Scheduling Algorithms

 

comparison-of-disk-scheduling-algorithms-2

 

comparison-of-disk-scheduling-algorithms

 

 

References

Stallings, W. (2018). Operating Systems: Internals and Design Principles (9th ed.). Pearson Education, Inc.