These situations are avoided in CSAN algorithm in which the disk arm instead of reversing its direction goes to the other end of the disk and starts servicing the requests from there. So, the disk arm ...

Learn how disk scheduling algorithms optimize disk performance by reducing seek time and rotational latency. Compare FCFS, SSTF, SCAN, C-SCAN, LOOK, and C-LOOK algorithms.

The C-SCAN algorithm works by moving the disk arm from one end of the disk to the other, servicing requests along the way. When the head reaches the other end, it immediately returns to the beginning ...

Recent studies show hard disk drives fail much more often in real systems than specified in their data-sheets, and RAID-5 may not be able to provide necessary reliability for practical systems. It is ...

Recently various real-time scheduling algorithms are being studied in order to maximize throughput per unit time in real-time disk scheduling. Particularly in many algorithms, SCAN technique is ...