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-   -   a doubt in OPERATING SYSTEM concept (http://www.go4expert.com/forums/doubt-operating-concept-t19655/)

vignesh1988i 3Oct2009 12:29

a doubt in OPERATING SYSTEM concept
 
what is called Disk Scheduling in OS???? pl. help me to know breifly...:worried::worried:

nimesh 3Oct2009 16:42

Re: a doubt in OPERATING SYSTEM concept
 
What you are referring is called I/O scheduling

I/O schedulers can have many purposes depending on the goal of the I/O scheduler, some common goals are:
To minimize time wasted by hard disk seeks.
To prioritize a certain processes' I/O requests.
To give a share of the disk bandwidth to each running process.
To guarantee that certain requests will be issued before a particular deadline.


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