Disk scheduling orders I/O requests to reduce head movement.
1Algorithms
FCFS: in arrival order
SSTF: nearest request next
SCAN/C-SCAN: sweep across the disk
LOOK/C-LOOK: sweep only as far as the last request
Loading subject content…
Loading subject content…
Disk scheduling orders I/O requests to reduce head movement.
FCFS: in arrival order
SSTF: nearest request next
SCAN/C-SCAN: sweep across the disk
LOOK/C-LOOK: sweep only as far as the last request