The disk scheduling algorithm for device management

Source: Internet
Author: User
[Baidu Encyclopedia] disk scheduling in a multi-channel program design of computer systems, each process may continue to make different requests for disk read/write operations. Because sometimes these processes send requests faster than the disk response, it is necessary for each disk device to establish a waiting queue, the common disk scheduling algorithm has the following four kinds: [1] first come first service algorithm (FCFS), the shortest seek time first algorithm (SSTF), scanning algorithm (scan), Cyclic scanning algorithm (Cscan)

The disk scheduling algorithm for device management

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