What is C- Look disk scheduling:-
As LOOK is similar to SCAN algorithm, in similar way, CLOOK is similar to CSCAN disk scheduling algorithm. In CLOOK, the disk arm in spite of going to the end goes only to the last request to be serviced in front of the head and then from there goes to the other end’s last request. Thus, it also prevents the extra delay which occurred due to unnecessary traversal to the end of the disk.
Example:- Given the following queue -- 95, 180, 34, 119, 11, 123, 62, 64 with the Read-write head initially at the track 50 and the tail track being at 199.Head movement is towards low values.
- Starvation is avoided in C-LOOK.
- Low variance is provided in waiting time and response time.
- An overhead to find the end request.
Code:-
Output:-
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Program of disk scheduling algorithm
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